When to go · Thun
Thun in September
Great month. Inside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Switzerland overall
- Prices
- Medium
- Switzerland overall
Verdict
Inside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.
Is another month better than September?
No other month rates higher than September for Thun in this guide.
Weather in September
- ThunHighs around 20 °C (68 °F), lows around 10 °C (50 °F), rain on about 9 daysHighs around 68 °F (20 °C), lows around 50 °F (10 °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 Thun, side by side.
Verdict
Sep: Great
Jan: Great
Daytime high
Sep: 20 °C (68 °F)68 °F (20 °C)
Jan: 3 °C (37 °F)37 °F (3 °C)
Night low
Sep: 10 °C (50 °F)50 °F (10 °C)
Jan: -3 °C (27 °F)27 °F (-3 °C)
Rain days
Sep: 9 (better)
Jan: 10
Crowds
Sep: Medium
Jan: Medium
Prices
Sep: Medium
Jan: High
Festivals listed
Sep: 0
Jan: 0
September: Inside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.
January: Inside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.
Thun: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings