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When to go · Puerto Williams

Puerto Williams in September

Good month. Outside the best window (Dec–Mar (summer, best trekking weather)). Across Chile: Fiestas Patrias (18–19 Sep): fondas, barbecues, closed businesses; spring in the centre.

Key facts

Verdict
Good
Temperature
−1°C (30°F) / −5°C (23°F)
average high / low
Rain days
6
Crowds
Medium
Chile overall
Prices
Medium
Chile overall

Verdict

GoodChile month rating

Outside the best window (Dec–Mar (summer, best trekking weather)). Across Chile: Fiestas Patrias (18–19 Sep): fondas, barbecues, closed businesses; spring in the centre.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • Puerto WilliamsHighs around -1 °C (30 °F), lows around -5 °C (23 °F), rain on about 6 days

Festivals and holidays

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.

  • Fiestas Patrias big impact

    18–19 Sep · Chile

    Independence and Army days; fondas, businesses closed, travel peak.

Crowds and prices

Crowds · Chile overall
Medium
Prices · Chile overall
Medium

Chile overall: Fiestas Patrias (18–19 Sep): fondas, barbecues, closed businesses; spring in the centre.

Compare two months

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

  • Verdict

    Sep: Good

    Jan: Great (better)

  • Daytime high

    Sep: -1 °C (30 °F)

    Jan: 5 °C (41 °F)

  • Night low

    Sep: -5 °C (23 °F)

    Jan: -2 °C (28 °F)

  • Rain days

    Sep: 6 (better)

    Jan: 12

  • Crowds

    Sep: Medium

    Jan: High

  • Prices

    Sep: Medium

    Jan: High

  • Festivals listed

    Sep: 1

    Jan: 0

September: Outside the best window (Dec–Mar (summer, best trekking weather)). Across Chile: Fiestas Patrias (18–19 Sep): fondas, barbecues, closed businesses; spring in the centre.

January: Inside Puerto Williams's best window: Dec–Mar (summer, best trekking weather).

Puerto Williams: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across Chile in September →