Weather in Rennes in September
The weather in Rennes in September is pleasant during the day and a little cold sometimes, especially at night. Temperatures range from 11 to 22 degrees and there are 18 days of rain on average. Please prepare accordingly with an umbrella and warm clothing.
Avg Temp
11° - 22°
Avg Rainy Days
18
Avg Dry Days
12
Avg Snow Days
0
Weather Facts - Rennes in September
* The warmest temperature recorded in in September is 32°C
* The coldest temperature recorded in Rennes in September is 4°C
* The average rainfall in Rennes in September is 50 mm