Switzerland weather in September - temperature, rain and is it a good time to visit?
September is one of the best months for a holiday in Switzerland.
Daytime
20°
Night
10°
☀️ Day length
12 h 36 min
Chance of rain
39%
Thunder days
4%
Humid days
24%
In September, Switzerland averages about 20° during the day and 10° at night. There's a moderate chance of rain (about 39%).
Switzerland weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 5℃ | -2℃ | 31% |
| February | 6℃ | -1℃ | 31% |
| March | 10℃ | 1℃ | 28% |
| April ★ | 15℃ | 5℃ | 32% |
| May ★ | 18℃ | 8℃ | 48% |
| June ★ | 23℃ | 13℃ | 38% |
| July ★ | 25℃ | 15℃ | 35% |
| August ★ | 24℃ | 14℃ | 34% |
| September ★ | 20℃ | 10℃ | 39% |
| October ★ | 14℃ | 7℃ | 32% |
| November | 9℃ | 2℃ | 30% |
| December | 6℃ | -1℃ | 23% |
★ - months most often recommended for travel
Where is it warmest in Switzerland in September? Weather by city
| Place | Day | Night | Chance of rain |
|---|---|---|---|
| Lugano | 22℃ | 13℃ | 41% |
| Bern | 20℃ | 9℃ | 46% |
| Zurich | 20℃ | 11℃ | 44% |
| Winterthur | 20℃ | 11℃ | 44% |
| La Chaux-de-Fonds | 20℃ | 10℃ | 47% |
| Sanktgallen | 20℃ | 11℃ | 49% |
| Lausanne | 19℃ | 8℃ | 0% |
| Davos | 16℃ | 8℃ | 37% |
Travelling soon? Check the live 14-day weather forecast for Switzerland.