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 75°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Venice in September. Check more long-term weather averages for Venice in September before you book your next holiday to Venetian Riviera in 2025/2026.

75
75°F max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
57
57°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
5
5 (Moderate) UV index
72
72°F 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) | Imperial (°F)