The climate in Nice during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Nice and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 16°C (60°F) is normal.
Daytime temperature | 23°C 73.4°F |
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Nightly temperature | 15.6°C 60.1°F |
Average temperature | 19.3°C 66.7°F |
Daily sunshine | 8.1 hrs |
Avg rainfall | 65 mm 2.6 ins |
Rainy days | 7 days |
Sea temperature | 22°C 71.6°F |
Humidity | 73% |
Windspeed | 11.5kph 7 mph |
On average September is the 5th driest month of the year in Nice with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nice in September 2025.
Best places to visit in September
Hottest month: | July | 25.6°C 78.1°F |
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Driest month: | July | 22mm 0.9ins |
Sunniest month: | July | 11.3hrs |
Coldest month: | January | 10.5°C 50.9°F |
Wettest month: | October | 104mm 4.1ins |