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When to go · El Chaltén

El Chaltén in September

Good month. Outside the best window (Nov–Mar). Across Argentina: Spring: whales at Valdés, Iguazú and the Northwest at their best, jacaranda starting in Buenos Aires.

Key facts

Verdict
Good
Temperature
10°C / −1°C
average high / low
Rain days
8
Crowds
Low
Argentina overall
Prices
Medium
Argentina overall

Verdict

GoodArgentina month rating

Outside the best window (Nov–Mar). Across Argentina: Spring: whales at Valdés, Iguazú and the Northwest at their best, jacaranda starting in Buenos Aires.

Weather in September

Long-term averages
  • El ChalténHighs around 10 °C, lows around -1 °C, rain on about 8 days
  • Southern Patagonia, Argentina · El Calafate, El Chaltén, Puerto Madryncool

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

Crowds and prices

Crowds · Argentina overall
Low
Prices · Argentina overall
Medium

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

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • Layers: a fleece or light jacket

Build the full packing list for your trip →

Across Argentina in September →