Venice weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: April – October
What is the weather like in Venice in September?
In September, Venice is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.9 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 109 mm in total. All in all, September is an excellent month for a holiday in Venice.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 83 | 82 | 77 |
| Day | 28° | 23° | 18° |
| Night | 20° | 16° | 12° |
| Sea | 26° | 23° | 19° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 9 | 9 | 9 |
More details for September
- Daylight
- 12 h 37 min06:48 – 19:24
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or more
- Wind
- 12 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 30 %62 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Venice in September: quick answers
Is Venice hot in September?
Warm rather than hot: in September, daytime highs in Venice average 23 °C and nights cool to about 16 °C.
Can you swim in Venice in September?
Yes. In September the sea averages 22.9 °C – refreshing for a swim.
Does it rain much in Venice in September?
Rain is frequent, with about 9 rainy days and 109 mm in total.
Venice month by month
The whole year in VeniceAll destinations: ItalyWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)