Switzerland in September

Clear, stable weather and fewer crowds; the best hiking month. Cattle come down from the pastures.

No other month rates higher than September for Switzerland in this guide.

• Plateau cities · Zurich, Bern, Basel, Lucernebest weather

  Fog (Hochnebel) can sit over the Plateau for days in November–February while the mountains are sunny — take a train up.

• Bernese and central Alps · Interlaken, Grindelwald, Lauterbrunnen, Engelbergbest weather

  Skiing late December to early April ('best' in winter means snow); hiking late June to early October. Afternoon storms in July–August.

• Valais and Engadin · Zermatt, Saas-Fee, Verbier, St Moritzbest weather

  The sunniest and driest Alpine valleys; high resorts keep snow into April. Lifts close in May and November.

• Lake Geneva · Geneva, Lausanne, Montreux, Lavauxbest weather

  Mild; the bise wind makes winter days raw. Grape harvest in Lavaux late September–October.

• Ticino · Lugano, Locarno, Bellinzonabest weather

  Warmest region with palm trees; heavy rain possible in autumn. The Gotthard base tunnel puts it 2 h from Zurich.

• Bern Region: Bern / Solothurn / Biel · Mittelland plateau, 430–550 mbest weather

  Plateau summers reach 30 °C (86 °F)+; winter often sits near 0 °C (32 °F) with fog that clears above about 800 m. Rain falls year-round — pack a shell.Plateau summers reach 86 °F (30 °C)+; winter often sits near 32 °F (0 °C) with fog that clears above about 800 m. Rain falls year-round — pack a shell.

• Bernese Highlands: Valley floors (Interlaken, Lauterbrunnen) · 550–800 mbest weather

  Rain falls year-round; June–August afternoons can reach 30 °C (86 °F).Rain falls year-round; June–August afternoons can reach 86 °F (30 °C).

• Bernese Highlands: High villages and lifts (Wengen, Mürren, Jungfraujoch) · 1,000–3,500 mfine

  Snow above about 2,000 m from November to May; the Jungfraujoch is below freezing most of the year.

• Central Switzerland: Lucerne and the lake · Vierwaldstättersee shore, 430–500 mbest weather

  Lake-effect cloud and afternoon thunderstorms in July–August; Föhn winds can push spring temperatures up fast.

• Central Switzerland: Engelberg and Titlis · 1,000–3,000 mfine

  Snow on the glacier year-round; the village sees reliable snow December–March.

• Eastern Switzerland: Lake Constance shore (Romanshorn, Stein am Rhein) · lake level, 400 mbest weather

  Mild and often foggy in November–January; summer thunderstorms build in the afternoon.

• Eastern Switzerland: Appenzell and Glarus hills · 700–1,200 mbest weather

  Higher and wetter than the lake; snow can sit on the upper trails into April.

• Graubünden: Chur / Rhine valley · Canton capital and the Vorderrhein and Hinterrhein valleysbest weather

  Lowest and mildest part of the canton; valley heat in July–August, snow rare on the floor.

• Graubünden: Engadin / St. Moritz · High valley in the south-east, 1,800 m and upbest weather

  High and dry; cold nights even in summer, reliable snow December–March, long sunny days.

• Graubünden: Davos / Prättigau · North-east valleysfine

  Ski season December–April; summer hiking from June; afternoon storms in July–August.

• Northwestern Switzerland: Basel and the Rhine valley · city and river plainfine

  Warmest corner of Switzerland in summer, with 30 °C (86 °F)+ days in July–August; rain spread through the year. The Jura foothills above Liestal run a few degrees cooler and can hold snow into spring.Warmest corner of Switzerland in summer, with 86 °F (30 °C)+ days in July–August; rain spread through the year. The Jura foothills above Liestal run a few degrees cooler and can hold snow into spring.

• Ticino: Lakes (Lugano, Locarno, Ascona) · Lake Lugano and Lake Maggiore shoresfine

  Mildest part of Switzerland; April–June and September–October are the sweet spots. August is hot and busy, especially around the Locarno film festival.

• Ticino: Valleys and mountains (Verzasca, Maggia, Monte San Giorgio) · Inland valleys and higher groundfine

  Higher trails open roughly May–October; snow and closed passes in winter.

• Valais: Rhone valley (Sion) · Valley floor, about 480 mbest weather

  One of the driest, sunniest parts of Switzerland; summer can hit 35 °C (95 °F), and long dry spells bring forest fires every few years.One of the driest, sunniest parts of Switzerland; summer can hit 95 °F (35 °C), and long dry spells bring forest fires every few years.

• Valais: High resorts and passes · Zermatt, Saas-Fee, Great St Bernardfine

  Snow from November to April; the Great St Bernard Pass sits near 2,470 m and is a winter route by ski or helicopter only.

• Western Switzerland: Lake Geneva shore (Geneva, Lausanne, Montreux) · Lakeside plateau, 370–400 mbest weather

  Mild and the driest part of the region; lake breezes temper July heat. Vineyard terraces are best walked April–October.

• Western Switzerland: Jura (La Chaux-de-Fonds, Le Locle, Delémont) · Jura mountains, 700–1,100 mfine

  About 5 °C (9 °F) cooler than the lakeshore and snowbound December–March; watch-town visits work year-round but winter days are short.About 9 °F (5 °C) cooler than the lakeshore and snowbound December–March; watch-town visits work year-round but winter days are short.

• Western Switzerland: Fribourg Alps (Gruyères, Château-d'Œx) · Pre-Alps, 750–1,500 mfine

  Hiking June–September; ski stations in the Vaud Alps run December–March.

• Zurich Region: Zurich city and lake · Canton of Zurich, lake basinbest weather

  Lake swimming peaks July–August; foehn winds can push winter days above 10 °C (50 °F), then drop back below freezing.Lake swimming peaks July–August; foehn winds can push winter days above 50 °F (10 °C), then drop back below freezing.

• Zurich Region: Aargau and Zug lowlands · Aare and Zug lake valleysbest weather

  Slightly warmer and less windy than the city; similar rain pattern.

• Geneva22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
• Aarau20 °C (68 °F) / 13 °C (55 °F), 8 rain days68 °F (20 °C) / 55 °F (13 °C), 8 rain days
• Albinen20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Andermatt16 °C (61 °F) / 8 °C (46 °F), 8 rain days61 °F (16 °C) / 46 °F (8 °C), 8 rain days
• Appenzell20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain days
• Arosa16 °C (61 °F) / 8 °C (46 °F), 10 rain days61 °F (16 °C) / 46 °F (8 °C), 10 rain days
• Ascona23 °C (73 °F) / 12 °C (54 °F), 8 rain days73 °F (23 °C) / 54 °F (12 °C), 8 rain days
• Avenches22 °C (72 °F) / 11 °C (52 °F), 7 rain days72 °F (22 °C) / 52 °F (11 °C), 7 rain days
• Baden20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain days
• Basel21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Bellinzona23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
• Bern20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Biel20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Brig20 °C (68 °F) / 9 °C (48 °F), 8 rain days68 °F (20 °C) / 48 °F (9 °C), 8 rain days
• Brugg22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
• Brunnen20 °C (68 °F) / 12 °C (54 °F), 9 rain days68 °F (20 °C) / 54 °F (12 °C), 9 rain days
• Château-d'Œx17 °C (63 °F) / 7 °C (45 °F), 9 rain days63 °F (17 °C) / 45 °F (7 °C), 9 rain days
• Chur20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Crans-Montana19 °C (66 °F) / 10 °C (50 °F), 7 rain days66 °F (19 °C) / 50 °F (10 °C), 7 rain days
• Davos15 °C (59 °F) / 5 °C (41 °F), 10 rain days59 °F (15 °C) / 41 °F (5 °C), 10 rain days
• Delémont21 °C (70 °F) / 10 °C (50 °F), 9 rain days70 °F (21 °C) / 50 °F (10 °C), 9 rain days
• Disentis20 °C (68 °F) / 9 °C (48 °F), 8 rain days68 °F (20 °C) / 48 °F (9 °C), 8 rain days
• Engelberg17 °C (63 °F) / 9 °C (48 °F), 7 rain days63 °F (17 °C) / 48 °F (9 °C), 7 rain days
• Falera18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain days
• Fiesch21 °C (70 °F) / 10 °C (50 °F), 8 rain days70 °F (21 °C) / 50 °F (10 °C), 8 rain days
• Flims22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 9 rain days
• Flüelen20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Fribourg20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Frutigen20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Gimmelwald15 °C (59 °F) / 5 °C (41 °F), 11 rain days59 °F (15 °C) / 41 °F (5 °C), 11 rain days
• Glarus22 °C (72 °F) / 11 °C (52 °F), 7 rain days72 °F (22 °C) / 52 °F (11 °C), 7 rain days
• Goldau20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °C), 8 rain days
• Grindelwald16 °C (61 °F) / 6 °C (43 °F), 11 rain days61 °F (16 °C) / 43 °F (6 °C), 11 rain days
• Gruyères21 °C (70 °F) / 12 °C (54 °F), 7 rain days70 °F (21 °C) / 54 °F (12 °C), 7 rain days
• Gstaad18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain days
• Hermance23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
• Horgen19 °C (66 °F) / 10 °C (50 °F), 10 rain days66 °F (19 °C) / 50 °F (10 °C), 10 rain days
• Ilanz20 °C (68 °F) / 9 °C (48 °F), 6 rain days68 °F (20 °C) / 48 °F (9 °C), 6 rain days
• Interlaken20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Kandersteg17 °C (63 °F) / 6 °C (43 °F), 11 rain days63 °F (17 °C) / 43 °F (6 °C), 11 rain days
• Klosters17 °C (63 °F) / 7 °C (45 °F), 11 rain days63 °F (17 °C) / 45 °F (7 °C), 11 rain days
• Küssnacht22 °C (72 °F) / 13 °C (55 °F), 7 rain days72 °F (22 °C) / 55 °F (13 °C), 7 rain days
• La Chaux-de-Fonds21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
• Laax17 °C (63 °F) / 6 °C (43 °F), 10 rain days63 °F (17 °C) / 43 °F (6 °C), 10 rain days
• Lausanne20 °C (68 °F) / 12 °C (54 °F), 9 rain days68 °F (20 °C) / 54 °F (12 °C), 9 rain days
• Lauterbrunnen17 °C (63 °F) / 6 °C (43 °F), 11 rain days63 °F (17 °C) / 43 °F (6 °C), 11 rain days
• Le Locle20 °C (68 °F) / 12 °C (54 °F), 8 rain days68 °F (20 °C) / 54 °F (12 °C), 8 rain days
• Lenzerheide17 °C (63 °F) / 5 °C (41 °F), 9 rain days63 °F (17 °C) / 41 °F (5 °C), 9 rain days
• Les Diablerets22 °C (72 °F) / 11 °C (52 °F), 7 rain days72 °F (22 °C) / 52 °F (11 °C), 7 rain days
• Leukerbad21 °C (70 °F) / 9 °C (48 °F), 8 rain days70 °F (21 °C) / 48 °F (9 °C), 8 rain days
• Leysin16 °C (61 °F) / 6 °C (43 °F), 10 rain days61 °F (16 °C) / 43 °F (6 °C), 10 rain days
• Liestal22 °C (72 °F) / 11 °C (52 °F), 7 rain days72 °F (22 °C) / 52 °F (11 °C), 7 rain days
• Locarno23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
• Lucens22 °C (72 °F) / 12 °C (54 °F), 7 rain days72 °F (22 °C) / 54 °F (12 °C), 7 rain days
• Lucerne20 °C (68 °F) / 11 °C (52 °F), 11 rain days68 °F (20 °C) / 52 °F (11 °C), 11 rain days
• Lugano23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
• Martigny20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Meiringen18 °C (64 °F) / 9 °C (48 °F), 10 rain days64 °F (18 °C) / 48 °F (9 °C), 10 rain days
• Montreux21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Mürren15 °C (59 °F) / 5 °C (41 °F), 10 rain days59 °F (15 °C) / 41 °F (5 °C), 10 rain days
• Murten20 °C (68 °F) / 12 °C (54 °F), 8 rain days68 °F (20 °C) / 54 °F (12 °C), 8 rain days
• Neuchâtel20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Nyon21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Pfäffikon19 °C (66 °F) / 10 °C (50 °F), 11 rain days66 °F (19 °C) / 50 °F (10 °C), 11 rain days
• Pontresina18 °C (64 °F) / 7 °C (45 °F), 9 rain days64 °F (18 °C) / 45 °F (7 °C), 9 rain days
• Porrentruy22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 9 rain days
• Rapperswil19 °C (66 °F) / 10 °C (50 °F), 10 rain days66 °F (19 °C) / 50 °F (10 °C), 10 rain days
• Rheinfelden21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
• Riederalp-Bettmeralp18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain days
• Romanshorn21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Saas-Fee15 °C (59 °F) / 4 °C (39 °F), 9 rain days59 °F (15 °C) / 39 °F (4 °C), 9 rain days
• Safiental20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Saint Gallen18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
• Saint-Maurice23 °C (73 °F) / 11 °C (52 °F), 8 rain days73 °F (23 °C) / 52 °F (11 °C), 8 rain days
• Saint-Ursanne22 °C (72 °F) / 12 °C (54 °F), 11 rain days72 °F (22 °C) / 54 °F (12 °C), 11 rain days
• Samedan22 °C (72 °F) / 9 °C (48 °F), 6 rain days72 °F (22 °C) / 48 °F (9 °C), 6 rain days
• Samnaun16 °C (61 °F) / 7 °C (45 °F), 8 rain days61 °F (16 °C) / 45 °F (7 °C), 8 rain days
• Sargans22 °C (72 °F) / 13 °C (55 °F), 11 rain days72 °F (22 °C) / 55 °F (13 °C), 11 rain days
• Schaffhausen20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Schwyz20 °C (68 °F) / 10 °C (50 °F), 8 rain days68 °F (20 °C) / 50 °F (10 °C), 8 rain days
• Scuol16 °C (61 °F) / 7 °C (45 °F), 9 rain days61 °F (16 °C) / 45 °F (7 °C), 9 rain days
• Sierre23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
• Sion22 °C (72 °F) / 11 °C (52 °F), 10 rain days72 °F (22 °C) / 52 °F (11 °C), 10 rain days
• Solothurn20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Spiez20 °C (68 °F) / 10 °C (50 °F), 8 rain days68 °F (20 °C) / 50 °F (10 °C), 8 rain days
• St. Moritz15 °C (59 °F) / 4 °C (39 °F), 8 rain days59 °F (15 °C) / 39 °F (4 °C), 8 rain days
• Stans20 °C (68 °F) / 9 °C (48 °F), 6 rain days68 °F (20 °C) / 48 °F (9 °C), 6 rain days
• Stein am Rhein20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °C), 8 rain days
• Tenero23 °C (73 °F) / 13 °C (55 °F), 6 rain days73 °F (23 °C) / 55 °F (13 °C), 6 rain days
• Thun20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
• Tujetsch20 °C (68 °F) / 9 °C (48 °F), 5 rain days68 °F (20 °C) / 48 °F (9 °C), 5 rain days
• Uster22 °C (72 °F) / 13 °C (55 °F), 7 rain days72 °F (22 °C) / 55 °F (13 °C), 7 rain days
• Val Lumnezia22 °C (72 °F) / 11 °C (52 °F), 11 rain days72 °F (22 °C) / 52 °F (11 °C), 11 rain days
• Val Mesolcina21 °C (70 °F) / 11 °C (52 °F), 11 rain days70 °F (21 °C) / 52 °F (11 °C), 11 rain days
• Vals18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain days
• Verbier16 °C (61 °F) / 5 °C (41 °F), 8 rain days61 °F (16 °C) / 41 °F (5 °C), 8 rain days
• Vevey21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Villars-sur-Ollon18 °C (64 °F) / 9 °C (48 °F), 10 rain days64 °F (18 °C) / 48 °F (9 °C), 10 rain days
• Visp20 °C (68 °F) / 9 °C (48 °F), 7 rain days68 °F (20 °C) / 48 °F (9 °C), 7 rain days
• Weggis20 °C (68 °F) / 11 °C (52 °F), 10 rain days68 °F (20 °C) / 52 °F (11 °C), 10 rain days
• Wengen15 °C (59 °F) / 5 °C (41 °F), 11 rain days59 °F (15 °C) / 41 °F (5 °C), 11 rain days
• Winterthur20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Yverdon-les-Bains20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °C), 8 rain days
• Zermatt17 °C (63 °F) / 5 °C (41 °F), 9 rain days63 °F (17 °C) / 41 °F (5 °C), 9 rain days
• Zug19 °C (66 °F) / 10 °C (50 °F), 10 rain days66 °F (19 °C) / 50 °F (10 °C), 10 rain days
• Zurich19 °C (66 °F) / 11 °C (52 °F), 10 rain days66 °F (19 °C) / 52 °F (11 °C), 10 rain days

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Federal Fast Monday

  Third Monday of Sep (some cantons)

  Holiday in Bern, Zurich and others.

• Jeûne genevois

  Thursday after the first Sunday of September · Geneva

  Local public holiday; shops closed.

Crowds · Switzerland

Medium

Prices · Switzerland

Medium

Weather, crowds and prices for any two months in Switzerland, side by side.

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Rated best or good this month

• Plateau cities

  Best weather of the year (Zurich, Bern, Basel, Lucerne)

• Bernese and central Alps

  Best weather of the year (Interlaken, Grindelwald, Lauterbrunnen, Engelberg)

• Valais and Engadin

  Best weather of the year (Zermatt, Saas-Fee, Verbier, St Moritz)

• Lake Geneva

  Best weather of the year (Geneva, Lausanne, Montreux, Lavaux)

• Ticino

  Best weather of the year (Lugano, Locarno, Bellinzona)

• Geneva

  Mild; Jeûne genevois holiday.

• Aarau

  Best months: May–Sep

• Albinen

  Best months: Jun–Sep, Dec–Feb

• Andermatt

  Best months: Dec–Mar for skiing, Jun–Sep for hiking and mountain‑bike trails

• Appenzell

  Best months: Apr–Oct

• Arosa

  Best months: Dec–Mar (ski), Jun–Sep (hiking)

• Ascona

  Best months: May–Oct