Cannes weather in September 2025

Expect 75°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cannes in September. Check more long-term weather averages for Cannes in September before you book your next holiday to France in 2025/2026.

75
75°F max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
61
61°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.6
2.6 inches of monthly rainfall
5
5 (Moderate) UV index
72
72°F sea temperature

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Destination

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) | Imperial (°F)

More about France

How hot is it in Cannes in September?

Daytime temperatures usually reach 75°F in Cannes in September, falling to 61°F 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 72°F.

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 2.6 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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France - quick facts
Flight time^✝	1.5 to 2.5 hours
Time difference	UK +1 hour
Language(s)	French
Currency	Euro
Electricity	C + E plug (230V)
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Tourist info	Atout France