Venice Weather in September
With daytime temperatures of 24°C (75°F) and nighttime lows of 18°C (64°F), September in Venice brings high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Venice in September
With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. You can typically expect 9 days of rain this month, averaging around 134 mm (5.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Venice in September
Venice in September gets highs of 24°C (75°F) during the day and drops to 18°C (64°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Venice in September
Expect a lot of sunshine this month, with about 198 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in September
The water is 24°C (75°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.For Venice itself, May, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Venice's climate page.
Venice Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Venice typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Venice in September
Browse day-by-day weather records for Venice spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Venice historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Venice.
- Venice recorded its highest September temperature of 32°C (90°F) on September 1, 2024.
- On September 25, 1979, Venice saw its coldest September day with temperatures maxing out at 13°C (55°F).
- The coldest night in September in Venice was on September 19, 1977, with a minimum of 5°C (41°F).
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
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What to Wear in Venice in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 24°C (75°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Venice in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Venice's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Venice climate overview or explore weather in Italy.