The climate in Vevay during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Vevay and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 14°C (56°F) is normal.
| Daytime temperature | 26.4°C 79.4°F |
|---|---|
| Nightly temperature | 13.5°C 56.2°F |
| Average temperature | 19.9°C 67.8°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 79 mm 3.1 ins |
| Rainy days | 8 days |
| Sea temperature | 22.6°C 72.7°F |
| Humidity | 73% |
| Windspeed | 12.2kph 8 mph |
On average September is the 4th driest month of the year in Vevay with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Vevay in September 2025.
Best places to visit in September
| Hottest month: | July | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | October | 74mm 2.9ins |
| Sunniest month: | August | 9.1hrs |
| Coldest month: | January | 3.5°C 38.3°F |
| Wettest month: | May | 112mm 4.4ins |