Nantes in september: average Weather, Temperature and Climate
Weather in Nantes in september 2025
The weather in Nantes in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
56°F
Clear/Sunny
34% of time
26%
22%
9%
Weather at 12pm
74°F
Clear/Sunny
44% of time
31%
13%
11%
Weather at 6pm
68°F
Clear/Sunny
47% of time
34%
9%
7%
Weather at 3am
58°F
38%
26%
19%
10%
Evolution of daily average temperature and precipitation in Nantes in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Nantes in september.
The climate of Nantes in september is good
In september in Nantes, the climate is rather dry (with 1.9in of rainfall over 3 days). The weather is better from the previous month since in august it receives an average of 2in of rainfall over 3 days.
The climate enjoyable in that locality this month. The thermometer averaged maximum of 74°F. The seasonal minimum is 56°F. Thus, the mean temperature average on this month of september in Nantes is 65°F. Note that seasonal normals are in contrast with those observed in Nantes in september with a maximum record of 99°F in 2021 and a minimum record of 41°F in 2010.
Day length in Nantes in september is 12:34. The sun rises at 06:44 and sunset is at 19:18.
With good weather conditions, this month is advisable to go in this city.
Seasonal average climate and temperature of Nantes in september
Check below seasonal norms These statistics are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 74°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 99°F (2021) | ||||
| Lowest record temperature | 41°F (2010) | ||||
| Number of days at +86°F | 2 day(s) (7%) | ||||
| Number of days at +65°F | 28 day(s) (93%) | ||||
| Sea temperature | |||||
| Average sea temperature | 66°F | ||||
| Lowest sea temperature | 63°F | ||||
| Highest sea temperature | 69°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 1.5in (2013) | ||||
| Other climate data | |||||
| Humidity | 90% | ||||
| Visibility | 8.92km | ||||
| Cloud cover | 33% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:44 | ||||
| Time of sunset | 19:18 | ||||
| Length of day | 12:34 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Nantes in september 2024:
65°F to 68°F
63°F to 68°F
61°F to 70°F
54°F to 68°F
56°F to 63°F
54°F to 63°F
56°F to 61°F
61°F to 63°F
61°F to 68°F
54°F to 65°F
58°F to 61°F
50°F to 63°F
47°F to 65°F
49°F to 67°F
49°F to 70°F
50°F to 72°F
54°F to 74°F
58°F to 76°F
59°F to 76°F
58°F to 76°F
58°F to 67°F
59°F to 67°F
56°F to 63°F
58°F to 67°F
59°F to 61°F
61°F to 65°F
56°F to 59°F
47°F to 59°F
50°F to 59°F
58°F to 61°F
Map: other cities in the Pays de la Loire in september
Cities near Nantes:
| Saint-Philbert-de-Grand-Lieu in september | good weather |
| Machecoul in september | good weather |
| Ancenis in september | good weather |
| Les Moutiers-en-Retz in september | perfect weather |
| La Bernerie-en-Retz in september | perfect weather |
| Pornic in september | perfect weather |
| Saint-Michel-Chef-Chef in september | perfect weather |
| Saint-Brevin-les-Pins in september | perfect weather |
| Pontchateau in september | perfect weather |
| La Plaine-sur-Mer in september | perfect weather |
| Saint-Nazaire in september | perfect weather |
| Guemene-Penfao in september | perfect weather |
Click over cities on the map for information about the weather in september.
Nantes
perfect weather
good
tolerable
bad
very bad
Weather data for Nantes in september:
Weather data for Nantes for september are derived from an average of the weather forecast since 2009 in Nantes. There is a margin of error and these forecasts are to be considered as general information only. The weather in Nantes can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Nantes.