Nice weather in September 2025

Expect daytime maximum temperatures of 23°C in Nice, France in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 65 mm of rainfall in the month.

  • 23°C maximum daytime temperature in September in Nice23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Nice7
    7 days with some rainfall
  • 16°C minimum night-time temperature in September in Nice16
    16°C min night temperature
  • 12 hours of daylight per day in September in Nice12
    12 hours of daylight per day
  • No heat & humidity in September in Nice0
    No heat & humidity
  • 65 mm monthly rainfall in September in Nice65
    65 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Nice5
    5 (Moderate) UV index
  • 22°C sea temperature in September in Nice22
    22°C sea temperature

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The September weather guide for France (Nice) 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 / mm)  |  Imperial (°F / inches)

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More about France

How hot is it in Nice in September?

Daytime temperatures usually reach 23°C in Nice in September, falling to 16°C at night.

How sunny is it in Nice in September?

There are normally 8 hours of bright sunshine each day in Nice in September - that's 60% of daylight hours.

How warm is the sea around Nice in September?

The average sea temperature around Nice in September is 22°C.

Does it rain in Nice in September?

There are usually 7 days with some rain in Nice in September and the average monthly rainfall is 65mm.

Nice September sunrise & sunset times

Browse the sunrise and sunset times for Nice in September 2025. Select a month to view Nice sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 19:06
Monday, 15th September 2025 06:10 18:41
Tuesday, 30th September 2025 06:27 18:14

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