The climate in Domodossola during September can be summarized as mild and damp.
September is in the fall / autumn in Domodossola and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 18°C 64.4°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 13.9°C 57°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 109 mm 4.3 ins |
| Rainy days | 13 days |
| Sea temperature | 21.4°C 70.6°F |
| Humidity | 78% |
| Windspeed | 6.5kph 4 mph |
On average September is the 5th wettest month of the year in Domodossola with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 Domodossola in September 2025.
Best places to visit in September
| Hottest month: | July | 22°C 71.6°F |
|---|---|---|
| Driest month: | December | 63mm 2.5ins |
| Sunniest month: | July | 7.9hrs |
| Coldest month: | January | 2.3°C 36.1°F |
| Wettest month: | August | 137mm 5.4ins |