The climate in Venice during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Venice and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 14°C (58°F) is normal.
| Daytime temperature | 24°C 75.2°F |
|---|---|
| Nightly temperature | 14.2°C 57.6°F |
| Average temperature | 19.1°C 66.4°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 69 mm 2.7 ins |
| Rainy days | 9 days |
| Sea temperature | 23.2°C 73.8°F |
| Humidity | 74% |
| Windspeed | 4kph 2 mph |
On average September is the 6th driest month of the year in Venice with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 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 Venice in September 2025.
Best places to visit in September
| Hottest month: | July | 27.7°C 81.9°F |
|---|---|---|
| Driest month: | February | 58mm 2.3ins |
| Sunniest month: | July | 10.1hrs |
| Coldest month: | January | 5.9°C 42.6°F |
| Wettest month: | November | 89mm 3.5ins |