Argentina in September

Spring: whales at Valdés, Iguazú and the Northwest at their best, jacaranda starting in Buenos Aires.

September is rated good. These months rate higher:

• NovemberGreatOne of the best months overall: Patagonia open with fewer crowds, jacarandas in Buenos Aires.
• MarchGreatGood all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
• AprilGreatAutumn colours in Patagonia and the Lakes; Northwest dries out; Easter week is busy.

• Buenos Aires and the Pampas · Buenos Aires, La Plata, Mar del Platafine

  Humid 30 °C (86 °F)+ summers; mild spring and autumn are the city season; winters are grey and around 10 °C (50 °F) but rarely freezing.Humid 86 °F (30 °C)+ summers; mild spring and autumn are the city season; winters are grey and around 50 °F (10 °C) but rarely freezing.

• Northeast (Iguazú, Esteros del Iberá) · Puerto Iguazú, Corrientesbest weather

  Subtropical and wet all year; summer is sticky at 35 °C (95 °F); the falls carry the most water after heavy rains, which can close walkways.Subtropical and wet all year; summer is sticky at 95 °F (35 °C); the falls carry the most water after heavy rains, which can close walkways.

• Northwest (Salta and Jujuy) · Salta, Purmamarca, Humahuaca, Cafayatebest weather

  Summer rains can cut mountain roads in January–March; the dry winter is clear but cold at night above 3,000 m.

• Cuyo (Mendoza and the high Andes) · Mendoza, San Juan, Aconcaguafine

  Dry and sunny; harvest (vendimia) in March; the pass to Chile can close with snow in June–September.

• Lakes District · Bariloche, San Martín de los Andes, Villa La Angosturafine

  Summer for lakes and hiking; July–August for skiing at Cerro Catedral; autumn colours in April.

• Southern Patagonia · El Calafate, El Chaltén, Puerto Madryncool

  Wind up to 100 km/h (62 mph) in summer; El Chaltén largely shuts from May to September. Whales at Península Valdés June–December.Wind up to 62 mph (100 km/h) in summer; El Chaltén largely shuts from May to September. Whales at Península Valdés June–December.

• Tierra del Fuego · Ushuaiacool

  Cool even in summer (around 10–15 °C (50–59 °F)); Antarctic cruises sail November–March; winter brings skiing at Cerro Castor.Cool even in summer (around 50–59 °F (10–15 °C)); Antarctic cruises sail November–March; winter brings skiing at Cerro Castor.

• Andean Northwest: Quebrada de Humahuaca (Tilcara, Humahuaca) · Jujuy, 2,300-3,000 mfine

  Dry, sunny days and cold nights year-round; Jun-Aug nights drop below freezing. Jan-Mar brings afternoon storms.

• Andean Northwest: Salta and the Calchaquí valleys · Salta province, 1,200-2,300 mbest weather

  Mild and dry Apr-Nov; summer (Dec-Mar) is hot with heavy rain that can cut gravel roads.

• Chaco: Chaco plain (Resistencia, Clorinda, Formosa) · northern Argentina, Paraguay and Bolivia bordersfine

  Subtropical: dry winter roughly June to mid-August, then heavy summer rain. Best window is June to mid-August; January to February is the worst heat.

• Cuyo: Mendoza and San Juan · Andean foothills and desert valleysfine

  Dry and sunny most of the year; Zonda wind can push temperatures sharply in spring. Best months are March–May and October–November.

• Cuyo: San Luis · Sierras and reservoirs east of the Andesfine

  Lake season is December–February, when Argentines fill the sierras; winter is quiet and cold at night.

• Mesopotamia: Misiones and Corrientes · Subtropical northeastfine

  Warm and humid most of the year; rain is possible in any month, heaviest in summer. Winter (Jun–Aug) is milder and drier — good for walking the falls.

• Pampas: Pampas · Buenos Aires to Córdoba, Atlantic coast to the westfine

  Humid summers (Dec–Feb) with 30 °C (86 °F)+ days and thunderstorms; winters (Jun–Aug) are mild but damp and grey. Spring and autumn are the comfortable windows.Humid summers (Dec–Feb) with 86 °F (30 °C)+ days and thunderstorms; winters (Jun–Aug) are mild but damp and grey. Spring and autumn are the comfortable windows.

• Patagonia (Argentina): Andean west (Bariloche, El Chaltén, El Calafate) · Southern Andes and foothillsfine

  Cool and sunnier than the Chilean side; snow above about 1,000 m in winter. Trekking season is roughly Nov–Mar.

• Patagonia (Argentina): Atlantic east (Puerto Madryn, Trelew, Viedma) · Meseta and coastfine

  Temperate, windy, hot summers in the north; whales around Península Valdés roughly Sep–Nov, penguins in the same window.

• Buenos Aires18 °C (64 °F) / 10 °C (50 °F), 8 rain days64 °F (18 °C) / 50 °F (10 °C), 8 rain days
• Adrogué19 °C (66 °F) / 9 °C (48 °F), 7 rain days66 °F (19 °C) / 48 °F (9 °C), 7 rain days
• Amaicha del Valle23 °C (73 °F) / 7 °C (45 °F), 3 rain days73 °F (23 °C) / 45 °F (7 °C), 3 rain days
• Arrecifes20 °C (68 °F) / 7 °C (45 °F), 6 rain days68 °F (20 °C) / 45 °F (7 °C), 6 rain days
• Ayacucho19 °C (66 °F) / 7 °C (45 °F), 6 rain days66 °F (19 °C) / 45 °F (7 °C), 6 rain days
• Bahía Blanca19 °C (66 °F) / 6 °C (43 °F), 5 rain days66 °F (19 °C) / 43 °F (6 °C), 5 rain days
• Balneario El Cóndor18 °C (64 °F) / 10 °C (50 °F), 7 rain days64 °F (18 °C) / 50 °F (10 °C), 7 rain days
• Barreal18 °C (64 °F) / 4 °C (39 °F), 1 rain days64 °F (18 °C) / 39 °F (4 °C), 1 rain days
• Berisso18 °C (64 °F) / 9 °C (48 °F), 7 rain days64 °F (18 °C) / 48 °F (9 °C), 7 rain days
• Cachi20 °C (68 °F) / 5 °C (41 °F), 2 rain days68 °F (20 °C) / 41 °F (5 °C), 2 rain days
• Cafayate23 °C (73 °F) / 9 °C (48 °F), 3 rain days73 °F (23 °C) / 48 °F (9 °C), 3 rain days
• Capilla del Monte20 °C (68 °F) / 7 °C (45 °F), 5 rain days68 °F (20 °C) / 45 °F (7 °C), 5 rain days
• Capilla del Señor18 °C (64 °F) / 8 °C (46 °F), 5 rain days64 °F (18 °C) / 46 °F (8 °C), 5 rain days
• Cariló16 °C (61 °F) / 6 °C (43 °F), 7 rain days61 °F (16 °C) / 43 °F (6 °C), 7 rain days
• Catedral Alta Patagonia11 °C (52 °F) / 1 °C (34 °F), 9 rain days52 °F (11 °C) / 34 °F (1 °C), 9 rain days
• Chajari22 °C (72 °F) / 9 °C (48 °F), 6 rain days72 °F (22 °C) / 48 °F (9 °C), 6 rain days
• Chapelco13 °C (55 °F) / 3 °C (37 °F), 6 rain days55 °F (13 °C) / 37 °F (3 °C), 6 rain days
• Chascomús17 °C (63 °F) / 6 °C (43 °F), 7 rain days63 °F (17 °C) / 43 °F (6 °C), 7 rain days
• Clorinda27 °C (81 °F) / 15 °C (59 °F), 8 rain days81 °F (27 °C) / 59 °F (15 °C), 8 rain days
• Colón21 °C (70 °F) / 11 °C (52 °F), 7 rain days70 °F (21 °C) / 52 °F (11 °C), 7 rain days
• Colonia Carlos Pellegrini24 °C (75 °F) / 13 °C (55 °F), 8 rain days75 °F (24 °C) / 55 °F (13 °C), 8 rain days
• Colonia Suiza14 °C (57 °F) / 4 °C (39 °F), 8 rain days57 °F (14 °C) / 39 °F (4 °C), 8 rain days
• Comodoro Rivadavia12 °C (54 °F) / 4 °C (39 °F), 10 rain days54 °F (12 °C) / 39 °F (4 °C), 10 rain days
• Concordia22 °C (72 °F) / 10 °C (50 °F), 7 rain days72 °F (22 °C) / 50 °F (10 °C), 7 rain days
• Córdoba23.8 °C (75 °F) / 10 °C (50 °F), 4 rain days75 °F (23.8 °C) / 50 °F (10 °C), 4 rain days
• Corrientes25.8 °C (78 °F) / 13.6 °C (56 °F), 60.3 rain days78 °F (25.8 °C) / 56 °F (13.6 °C), 60.3 rain days
• El Bolsón13 °C (55 °F) / 3 °C (37 °F), 8 rain days55 °F (13 °C) / 37 °F (3 °C), 8 rain days
• El Calafate11.1 °C (52 °F) / -0.8 °C (31 °F), 11 rain days52 °F (11.1 °C) / 31 °F (-0.8 °C), 11 rain days
• El Chaltén10 °C (50 °F) / -1 °C (30 °F), 8 rain days50 °F (10 °C) / 30 °F (-1 °C), 8 rain days
• Esquel13 °C (55 °F) / 2 °C (36 °F), 7 rain days55 °F (13 °C) / 36 °F (2 °C), 7 rain days
• Esquina25 °C (77 °F) / 13 °C (55 °F), 6 rain days77 °F (25 °C) / 55 °F (13 °C), 6 rain days
• Federación22 °C (72 °F) / 11 °C (52 °F), 8 rain days72 °F (22 °C) / 52 °F (11 °C), 8 rain days
• Formosa33 °C (91 °F) / 20 °C (68 °F), 9 rain days91 °F (33 °C) / 68 °F (20 °C), 9 rain days
• Gualeguaychu20 °C (68 °F) / 11 °C (52 °F), 7 rain days68 °F (20 °C) / 52 °F (11 °C), 7 rain days
• Humahuaca21 °C (70 °F) / 4 °C (39 °F), 2 rain days70 °F (21 °C) / 39 °F (4 °C), 2 rain days
• La Plata18 °C (64 °F) / 8 °C (46 °F), 7 rain days64 °F (18 °C) / 46 °F (8 °C), 7 rain days
• La Punta23 °C (73 °F) / 8 °C (46 °F), 4 rain days73 °F (23 °C) / 46 °F (8 °C), 4 rain days
• La Rioja28 °C (82 °F) / 13 °C (55 °F), 3 rain days82 °F (28 °C) / 55 °F (13 °C), 3 rain days
• Lago Puelo13 °C (55 °F) / 2 °C (36 °F), 8 rain days55 °F (13 °C) / 36 °F (2 °C), 8 rain days
• Las Leñas8 °C (46 °F) / -4 °C (25 °F), 6 rain days46 °F (8 °C) / 25 °F (-4 °C), 6 rain days
• Luján20 °C (68 °F) / 9 °C (48 °F), 6 rain days68 °F (20 °C) / 48 °F (9 °C), 6 rain days
• Magdalena20 °C (68 °F) / 9 °C (48 °F), 6 rain days68 °F (20 °C) / 48 °F (9 °C), 6 rain days
• Malargüe17 °C (63 °F) / 2 °C (36 °F), 4 rain days63 °F (17 °C) / 36 °F (2 °C), 4 rain days
• Mar del Plata15.9 °C (61 °F) / 5.5 °C (42 °F), 63 rain days61 °F (15.9 °C) / 42 °F (5.5 °C), 63 rain days
• Martínez19 °C (66 °F) / 11 °C (52 °F), 6 rain days66 °F (19 °C) / 52 °F (11 °C), 6 rain days
• Medanos19 °C (66 °F) / 6 °C (43 °F), 6 rain days66 °F (19 °C) / 43 °F (6 °C), 6 rain days
• Mendoza22 °C (72 °F) / 8 °C (46 °F), 1 rain days72 °F (22 °C) / 46 °F (8 °C), 1 rain days
• Mercedes24 °C (75 °F) / 13 °C (55 °F), 6 rain days75 °F (24 °C) / 55 °F (13 °C), 6 rain days
• Necochea17 °C (63 °F) / 6 °C (43 °F), 7 rain days63 °F (17 °C) / 43 °F (6 °C), 7 rain days
• Neuquén19.3 °C (67 °F) / 4.8 °C (41 °F), 5 rain days67 °F (19.3 °C) / 41 °F (4.8 °C), 5 rain days
• Paraná22 °C (72 °F) / 12 °C (54 °F), 6 rain days72 °F (22 °C) / 54 °F (12 °C), 6 rain days
• Paso de los Libres23 °C (73 °F) / 10 °C (50 °F), 6 rain days73 °F (23 °C) / 50 °F (10 °C), 6 rain days
• Pergamino20 °C (68 °F) / 7 °C (45 °F), 6 rain days68 °F (20 °C) / 45 °F (7 °C), 6 rain days
• Posadas25.9 °C (79 °F) / 15 °C (59 °F), 133 rain days79 °F (25.9 °C) / 59 °F (15 °C), 133 rain days
• Puerto Iguazú27 °C (81 °F) / 14 °C (57 °F), 8 rain days81 °F (27 °C) / 57 °F (14 °C), 8 rain days
• Puerto Madryn17 °C (63 °F) / 5 °C (41 °F), 4 rain days63 °F (17 °C) / 41 °F (5 °C), 4 rain days
• Puerto San Julián11 °C (52 °F) / 1 °C (34 °F), 5 rain days52 °F (11 °C) / 34 °F (1 °C), 5 rain days
• Purmamarca29 °C (84 °F) / 17 °C (63 °F), 4 rain days84 °F (29 °C) / 63 °F (17 °C), 4 rain days
• Rawson13 °C (55 °F) / 3 °C (37 °F), 5 rain days55 °F (13 °C) / 37 °F (3 °C), 5 rain days
• Resistencia26.2 °C (79 °F) / 12.9 °C (55 °F), 54 rain days79 °F (26.2 °C) / 55 °F (12.9 °C), 54 rain days
• Rio Gallegos12 °C (54 °F) / 0 °C (32 °F), 8 rain days54 °F (12 °C) / 32 °F (0 °C), 8 rain days
• Rosario22 °C (72 °F) / 9 °C (48 °F), 5 rain days72 °F (22 °C) / 48 °F (9 °C), 5 rain days
• Salta24 °C (75 °F) / 8 °C (46 °F), 3 rain days75 °F (24 °C) / 46 °F (8 °C), 3 rain days
• San Agustín de Valle Fértil25 °C (77 °F) / 9 °C (48 °F), 2 rain days77 °F (25 °C) / 48 °F (9 °C), 2 rain days
• San Antonio de Areco22 °C (72 °F) / 10 °C (50 °F), 5 rain days72 °F (22 °C) / 50 °F (10 °C), 5 rain days
• San Antonio de los Cobres19 °C (66 °F) / 3 °C (37 °F), 3 rain days66 °F (19 °C) / 37 °F (3 °C), 3 rain days
• San Antonio Oeste18 °C (64 °F) / 10 °C (50 °F), 8 rain days64 °F (18 °C) / 50 °F (10 °C), 8 rain days
• San Carlos de Bariloche12 °C (54 °F) / 0 °C (32 °F), 8 rain days54 °F (12 °C) / 32 °F (0 °C), 8 rain days
• San José de Jáchal32 °C (90 °F) / 17 °C (63 °F), 6 rain days90 °F (32 °C) / 63 °F (17 °C), 6 rain days
• San Juan24 °C (75 °F) / 7 °C (45 °F), 1 rain days75 °F (24 °C) / 45 °F (7 °C), 1 rain days
• San Lorenzo20 °C (68 °F) / 6 °C (43 °F), 4 rain days68 °F (20 °C) / 43 °F (6 °C), 4 rain days
• San Luis22 °C (72 °F) / 8 °C (46 °F), 4 rain days72 °F (22 °C) / 46 °F (8 °C), 4 rain days
• San Martín de los Andes11 °C (52 °F) / 0 °C (32 °F), 8 rain days52 °F (11 °C) / 32 °F (0 °C), 8 rain days
• San Miguel de Tucumán22 °C (72 °F) / 11 °C (52 °F), 5 rain days72 °F (22 °C) / 52 °F (11 °C), 5 rain days
• San Rafael21 °C (70 °F) / 7 °C (45 °F), 3 rain days70 °F (21 °C) / 45 °F (7 °C), 3 rain days
• San Salvador de Jujuy21 °C (70 °F) / 8 °C (46 °F), 9 rain days70 °F (21 °C) / 46 °F (8 °C), 9 rain days
• Santa Fe22.5 °C (73 °F) / 10.6 °C (51 °F), 6 rain days73 °F (22.5 °C) / 51 °F (10.6 °C), 6 rain days
• Santa Maria, Catamarca24 °C (75 °F) / 9 °C (48 °F), 2 rain days75 °F (24 °C) / 48 °F (9 °C), 2 rain days
• Santa Rosa18 °C (64 °F) / 5 °C (41 °F), 5 rain days64 °F (18 °C) / 41 °F (5 °C), 5 rain days
• Santiago del Estero26 °C (79 °F) / 12 °C (54 °F), 3 rain days79 °F (26 °C) / 54 °F (12 °C), 3 rain days
• Sierra de la Ventana17 °C (63 °F) / 3 °C (37 °F), 6 rain days63 °F (17 °C) / 37 °F (3 °C), 6 rain days
• Tafi Viejo25 °C (77 °F) / 12 °C (54 °F), 4 rain days77 °F (25 °C) / 54 °F (12 °C), 4 rain days
• Tandil18 °C (64 °F) / 5 °C (41 °F), 8 rain days64 °F (18 °C) / 41 °F (5 °C), 8 rain days
• Tigre22 °C (72 °F) / 11 °C (52 °F), 6 rain days72 °F (22 °C) / 52 °F (11 °C), 6 rain days
• Tilcara22 °C (72 °F) / 4 °C (39 °F), 3 rain days72 °F (22 °C) / 39 °F (4 °C), 3 rain days
• Trelew15 °C (59 °F) / 5 °C (41 °F), 4 rain days59 °F (15 °C) / 41 °F (5 °C), 4 rain days
• Trevelin12 °C (54 °F) / 2 °C (36 °F), 9 rain days54 °F (12 °C) / 36 °F (2 °C), 9 rain days
• Tunuyán15 °C (59 °F) / 3 °C (37 °F), 3 rain days59 °F (15 °C) / 37 °F (3 °C), 3 rain days
• Uquía30 °C (86 °F) / 19 °C (66 °F), 5 rain days86 °F (30 °C) / 66 °F (19 °C), 5 rain days
• Viedma18 °C (64 °F) / 4 °C (39 °F), 4 rain days64 °F (18 °C) / 39 °F (4 °C), 4 rain days
• Villa Carlos Paz22 °C (72 °F) / 9 °C (48 °F), 5 rain days72 °F (22 °C) / 48 °F (9 °C), 5 rain days
• Villa El Chocón15 °C (59 °F) / 3 °C (37 °F), 7 rain days59 °F (15 °C) / 37 °F (3 °C), 7 rain days
• Villa Gesell17 °C (63 °F) / 6 °C (43 °F), 7 rain days63 °F (17 °C) / 43 °F (6 °C), 7 rain days
• Villa la Angostura11.6 °C (53 °F) / -0.1 °C (32 °F), 11 rain days53 °F (11.6 °C) / 32 °F (-0.1 °C), 11 rain days
• Villa Unión25 °C (77 °F) / 9 °C (48 °F), 2 rain days77 °F (25 °C) / 48 °F (9 °C), 2 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.

• Jacaranda bloom

  Spring, peaking around October-November (weather dependent) · Buenos Aires

  Purple-flowering trees line many streets; a favourite season for photography and walking.

Crowds · Argentina

Low

Prices · Argentina

Medium

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

• Layers: a fleece or light jacket

Build the full packing list for your trip →

Rated best or good this month

• Northeast (Iguazú, Esteros del Iberá)

  Best weather of the year (Puerto Iguazú, Corrientes)

• Northwest (Salta and Jujuy)

  Best weather of the year (Salta, Purmamarca, Humahuaca, Cafayate)

• Buenos Aires

  Spring; jacaranda and mild weather.

• Adrogué

  Best months: Mar–May, Sep–Nov

• Amaicha del Valle

  Best months: Apr–Oct

• Arrecifes

  Best months: Mar–May, Sep–Nov

• Ayacucho

  Best months: Mar–May, Sep–Nov (mild and dry)

• Bahía Blanca

  Best months: Mar–May, Sep–Nov

• Berisso

  Best months: Sep–Oct (Immigrant's Party)

• Cachi

  Best months: Apr–Nov

• Cafayate

  Best months: Apr–Nov

• Capilla del Monte

  Best months: Mar–May, Sep–Nov