When to go · Arosa
Arosa in September
Great month. Inside Arosa's best window: Dec–Mar (ski), Jun–Sep (hiking).
Key facts
- Verdict
- Great
- Temperature
- 16°C (61°F)61°F (16°C) / 8°C (46°F)46°F (8°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Switzerland overall
- Prices
- Medium
- Switzerland overall
Verdict
Inside Arosa's best window: Dec–Mar (ski), Jun–Sep (hiking).
Is another month better than September?
No other month rates higher than September for Arosa in this guide.
Weather in September
- ArosaHighs around 16 °C (61 °F), lows around 8 °C (46 °F), rain on about 10 daysHighs around 61 °F (16 °C), lows around 46 °F (8 °C), rain on about 10 days
Crowds and prices
- Crowds · Switzerland overall
- Medium
- Prices · Switzerland overall
- Medium
Switzerland overall: Clear, stable weather and fewer crowds; the best hiking month. Cattle come down from the pastures.
Compare two months
Weather, crowds and prices for any two months in Arosa, side by side.
Verdict
Sep: Great
Jan: Great
Daytime high
Sep: 16 °C (61 °F)61 °F (16 °C)
Jan: -2 °C (28 °F)28 °F (-2 °C)
Night low
Sep: 8 °C (46 °F)46 °F (8 °C)
Jan: -8 °C (18 °F)18 °F (-8 °C)
Rain days
Sep: 10
Jan: 7 (better)
Crowds
Sep: Medium
Jan: Medium
Prices
Sep: Medium
Jan: High
Festivals listed
Sep: 0
Jan: 0
September: Inside Arosa's best window: Dec–Mar (ski), Jun–Sep (hiking).
January: Inside Arosa's best window: Dec–Mar (ski), Jun–Sep (hiking).
Arosa: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast