Slovenia in September

Best month: warm sea, clear mountains, fewer people.

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

• Ljubljana and the centre · Ljubljana, Škofja Loka, Mariborbest weather

  Continental: foggy winters in the Ljubljana basin, warm summers with storms.

• Julian Alps · Bled, Bohinj, Kranjska Gora, Bovecbest weather

  Snow December–March; hiking June–September; the Soča side is among the wettest places in Europe in autumn.

• Karst and coast · Piran, Izola, Koper, Lipicabest weather

  Mediterranean; the bora wind blasts the Karst in winter; sea swimming June–September.

• Coast and Karst: Coast (Koper, Izola, Piran, Portorož) · Adriatic shorebest weather

  Mediterranean; sea swimming roughly May–October, warmest Jul–Aug. Bora wind can blow cold in winter.

• Coast and Karst: Karst plateau (Postojna, Divača, Sežana) · Inland limestonebest weather

  Caves stay about 8–12 °C (46–54 °F) all year; the plateau is cooler and windier than the coast.Caves stay about 46–54 °F (8–12 °C) all year; the plateau is cooler and windier than the coast.

• Eastern Slovenia: Maribor / Ptuj · Drava valleyfine

  Continental: warm summers, cold winters, rain spread through the year.

• Eastern Slovenia: Prekmurje · Mura plainfine

  Slightly drier and flatter; fog can sit for days in late autumn and winter.

• Julian Alps: Julian Alps · Bled, Bohinj, Soča valley, Kranjska Gorabest weather

  Valley summers are mild; afternoon thunderstorms June–August. Snow closes high passes in winter — check local conditions and seasonal closures before driving up a valley.

• Pohorje-Savinjska: Pohorje plateau · Ridge above 1,000 m, west and east of the summitfine

  Cooler and wetter than the valleys; snow cover on the ridge typically December to March, and the ski season depends on it.

• Pohorje-Savinjska: Savinja valley and Celje basin · Celje, Laško, Slovenske Konjice, Slovenj Gradecbest weather

  Valley heat in July and August; afternoon thunderstorms are common in summer.

• Southeastern Slovenia: Novo Mesto / Brežice · Krka and Sava valleysbest weather

  Continental valley climate: warm summers, cold winters with snow; spring and autumn are the pick. Check current forecasts before travelling.

• Ljubljana21 °C (70 °F) / 11 °C (52 °F), 11 rain days70 °F (21 °C) / 52 °F (11 °C), 11 rain days
• Bled21 °C (70 °F) / 10 °C (50 °F), 10 rain days70 °F (21 °C) / 50 °F (10 °C), 10 rain days
• Bovec20 °C (68 °F) / 10 °C (50 °F), 11 rain days68 °F (20 °C) / 50 °F (10 °C), 11 rain days
• Brežice23 °C (73 °F) / 11 °C (52 °F), 10 rain days73 °F (23 °C) / 52 °F (11 °C), 10 rain days
• Celje24 °C (75 °F) / 14 °C (57 °F), 9 rain days75 °F (24 °C) / 57 °F (14 °C), 9 rain days
• Divača26 °C (79 °F) / 15 °C (59 °F), 7 rain days79 °F (26 °C) / 59 °F (15 °C), 7 rain days
• Dovje-Mojstrana19 °C (66 °F) / 9 °C (48 °F), 11 rain days66 °F (19 °C) / 48 °F (9 °C), 11 rain days
• Grosuplje23 °C (73 °F) / 12 °C (54 °F), 6 rain days73 °F (23 °C) / 54 °F (12 °C), 6 rain days
• Idrija22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 9 rain days
• Izola25 °C (77 °F) / 16 °C (61 °F), 8 rain days77 °F (25 °C) / 61 °F (16 °C), 8 rain days
• Jesenice21 °C (70 °F) / 10 °C (50 °F), 10 rain days70 °F (21 °C) / 50 °F (10 °C), 10 rain days
• Jezersko23 °C (73 °F) / 13 °C (55 °F), 7 rain days73 °F (23 °C) / 55 °F (13 °C), 7 rain days
• Kamnik21 °C (70 °F) / 10 °C (50 °F), 10 rain days70 °F (21 °C) / 50 °F (10 °C), 10 rain days
• Kobarid21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
• Koper25 °C (77 °F) / 16 °C (61 °F), 9 rain days77 °F (25 °C) / 61 °F (16 °C), 9 rain days
• Kranj24 °C (75 °F) / 13 °C (55 °F), 7 rain days75 °F (24 °C) / 55 °F (13 °C), 7 rain days
• Kranjska Gora20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
• Lendava24 °C (75 °F) / 14 °C (57 °F), 7 rain days75 °F (24 °C) / 57 °F (14 °C), 7 rain days
• Lipica24 °C (75 °F) / 16 °C (61 °F), 7 rain days75 °F (24 °C) / 61 °F (16 °C), 7 rain days
• Maribor22 °C (72 °F) / 11 °C (52 °F), 10 rain days72 °F (22 °C) / 52 °F (11 °C), 10 rain days
• Murska Sobota23 °C (73 °F) / 11 °C (52 °F), 8 rain days73 °F (23 °C) / 52 °F (11 °C), 8 rain days
• Nova Gorica23 °C (73 °F) / 14 °C (57 °F), 5 rain days73 °F (23 °C) / 57 °F (14 °C), 5 rain days
• Novo Mesto24 °C (75 °F) / 14 °C (57 °F), 9 rain days75 °F (24 °C) / 57 °F (14 °C), 9 rain days
• Piran24 °C (75 °F) / 16 °C (61 °F), 8 rain days75 °F (24 °C) / 61 °F (16 °C), 8 rain days
• Portorož26 °C (79 °F) / 16 °C (61 °F), 5 rain days79 °F (26 °C) / 61 °F (16 °C), 5 rain days
• Postojna23 °C (73 °F) / 15 °C (59 °F), 7 rain days73 °F (23 °C) / 59 °F (15 °C), 7 rain days
• Ptuj23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
• Ribnica21 °C (70 °F) / 10 °C (50 °F), 9 rain days70 °F (21 °C) / 50 °F (10 °C), 9 rain days
• Sevnica23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
• Sežana24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
• Škofja Loka22 °C (72 °F) / 11 °C (52 °F), 10 rain days72 °F (22 °C) / 52 °F (11 °C), 10 rain days
• Slovenj Gradec20 °C (68 °F) / 9 °C (48 °F), 10 rain days68 °F (20 °C) / 48 °F (9 °C), 10 rain days
• Srednja Dobrava23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
• Tolmin23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
• Trbovlje23 °C (73 °F) / 11 °C (52 °F), 9 rain days73 °F (23 °C) / 52 °F (11 °C), 9 rain days
• Uskovnica18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days

Crowds · Slovenia

Medium

Prices · Slovenia

Medium

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

Nothing unusual for the weather this month.

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Rated best or good this month

• Ljubljana and the centre

  Best weather of the year (Ljubljana, Škofja Loka, Maribor)

• Julian Alps

  Best weather of the year (Bled, Bohinj, Kranjska Gora, Bovec)

• Karst and coast

  Best weather of the year (Piran, Izola, Koper, Lipica)

• Ljubljana

  Warm; wine season starts.

• Bled

  Best months: May–Jun, Sep

• Bovec

  Best months: Jun–Sep for rafting and hiking; late Sep for quiet trails

• Brežice

  Best months: May–Sep

• Celje

  Best months: May–Sep

• Divača

  Best months: May–Sep

• Dovje-Mojstrana

  Best months: Jun–Sep

• Grosuplje

  Best months: May–September

• Idrija

  Best months: May–Sep