Weather in Venice in September 2025
Average weather
Average temperature in Venice in September
Going from a maximum of +31°C during the day to a minimum of +14°C during the night, the temperature in September averages around +27°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +27°C to +27°C.
Is Venice warm or cold in September?
Venice is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +24°C. The minimum temperature also goes down from +19°C to +15°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Venice:
Water temperature in Venice in September
Water in Venice in September is Comfortable. It varies from +20°C to +27°C, with an average of +23°C. This is almost similar to the air temperature, which averages +24°C.
In September, water temperatures are average relative to the rest of the year:
Can you swim in Venice in September?
Climate in Venice in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +24°C | +19°C | ||||
| Min. temperature | ||||||
| +10°C | +7°C | 0°C | ||||
| Max. temperature | ||||||
| +36°C | +32°C | +28°C | ||||
| Rainfall | ||||||
| 78 mm | 94 mm | 92 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +23°C | +19°C | ||||
| Humidity | ||||||
| 70% | 74% | 78% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 15 | 13 | 11 | ||||
| Cloudy days | ||||||
| 2 | 4 | 8 | ||||
| Rainy days | ||||||
| 9 | 10 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 78 mm to 94 mm. Humidity rises from 70% to 74%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 15 sunny days in August to 13 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Venice is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Venice?
Climate Change over Years
The climate in Venice in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+16°C) and the highest in 2022 (+20°C). The driest year was 1983 with only 551 mm of rainfall, and the wettest year was 2014 with 1356 mm.
FAQ
Is September a good time to visit Venice?
Can you sunbathe in Venice in September?
Can you swim in Venice in September?
Is Venice rainy in September?
Is it sunny in Venice in September?
Other cities in Italy
Monthly weather in Venice
Source of the data
For this page, we’ve looked at the typical weather in Venice, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.