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Cannes weather in September 2025
Expect daytime maximum temperatures of 24°C in Cannes, France in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 66 mm of rainfall in the month.
- 24°C max day temperature
24 - 8 hours of sunshine per day
- 6 days with some rainfall
6 - 16°C min night temperature
16 - 12 hours of daylight per day
12 - No heat & humidity
0 - 66 mm of monthly rainfall
66 - 5 (Moderate) UV index
5 - 22°C sea temperature
22
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Recommended for France
The September weather guide for France (Cannes) 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)
More about France
How hot is it in Cannes in September?
Daytime temperatures usually reach 24°C in Cannes in September, falling to 16°C at night.
How sunny is it in Cannes in September?
There are normally 8 hours of bright sunshine each day in Cannes in September - that's 63% of daylight hours.
How warm is the sea around Cannes in September?
The average sea temperature around Cannes in September is 22°C.
Does it rain in Cannes in September?
There are usually 6 days with some rain in Cannes in September and the average monthly rainfall is 66mm.
Cannes September sunrise & sunset times
Browse the sunrise and sunset times for Cannes in September 2025. Select a month to view Cannes sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:56 | 19:07 |
| Monday, 15th September 2025 | 06:11 | 18:42 |
| Tuesday, 30th September 2025 | 06:28 | 18:15 |
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