The temperatures in Cannes in September are comfortable with low of 19°C and and high up to 25°C.
You can expect a few rainy days in Cannes during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Cannes in September 2025.
If you’re planning to visit Cannes in the near future, we highly recommend that you review the 14 day weather forecast for Cannes before you arrive.
Temperatures
25° / 19°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
54
mm
Sun Hours
11.7
Hrs
