Weather in Nantes: September
 |
Average day temperature: | 71.2°F |
| Average night temperature: | 56.5°F | |
 |
Number of sunny days: | 13 days |
| Day length: | 11.7 - 13.3 hours | |
 |
Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
| more information | ||
14 days
forecast
forecast
| Nantes |
weather in
October
October
| Nantes |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during September were 69.7°F and 55.5°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Nantes in September is 1.1 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 9.2 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.4.
Best time for vacation in Nantes
Nantes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Nantes
Local time: 02:53
January 10, saturday
0300
41°F
E
17 mph
17 mph
0600
41°F
E
14 mph
14 mph
0900
41°F
E
15 mph
15 mph
1200
46°F
SE
16 mph
16 mph
1500
48°F
SE
14 mph
14 mph
1800
41°F
SE
8 mph
8 mph
2100
37°F
SE
6 mph
6 mph
January 11, sunday
0000
36°F
SE
2 mph
2 mph
