When to go · Sierre
Sierre in September
Great month. Inside Sierre's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Switzerland overall
- Prices
- Medium
- Switzerland overall
Verdict
Inside Sierre's best window: May–Oct.
Is another month better than September?
No other month rates higher than September for Sierre in this guide.
Weather in September
- SierreHighs around 23 °C (73 °F), lows around 12 °C (54 °F), rain on about 9 daysHighs around 73 °F (23 °C), lows around 54 °F (12 °C), rain on about 9 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 Sierre, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 23 °C (73 °F)73 °F (23 °C)
May: 20 °C (68 °F)68 °F (20 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Sep: 9 (better)
May: 12
Crowds
Sep: Medium
May: Low
Prices
Sep: Medium
May: Low
Festivals listed
Sep: 0
May: 0
September: Inside Sierre's best window: May–Oct.
May: Inside Sierre's best window: May–Oct.
Sierre: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings