Venice weather in September 2025

Q: How hot is it in Venice in September?

Daytime temperatures usually reach 24°C in Venice in September, falling to 14°C at night.

Q: How sunny is it in Venice in September?

There are normally 7 hours of bright sunshine each day in Venice in September - that's 52% of daylight hours.

Q: How warm is the sea around Venice in September?

The average sea temperature around Venice in September is 22°C.

Q: Does it rain in Venice in September?

There are usually 9 days with some rain in Venice in September and the average monthly rainfall is 71mm.

Expect daytime maximum temperatures of 24°C in Venice, Venetian Riviera in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 71 mm of rainfall in the month.

24
24°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
14
14°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
71
71 mm of monthly rainfall
5
5 (Moderate) UV index
22
22°C sea temperature

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The September weather guide for Venetian Riviera (Venice) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)