Saint-Nazaire in september: average Weather, Temperature and Climate
Weather in Saint-Nazaire in september 2025
The weather in Saint-Nazaire in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather
Weather at 6am
58°F
Clear/Sunny
45% of time
24%
13%
9%
Weather at 12pm
70°F
Clear/Sunny
47% of time
30%
11%
9%
Weather at 6pm
67°F
Clear/Sunny
49% of time
28%
12%
9%
Weather at 3am
58°F
49%
26%
13%
7%
Evolution of daily average temperature and precipitation in Saint-Nazaire in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Saint-Nazaire in september.
The climate of Saint-Nazaire in september is perfect
In september in Saint-Nazaire, the climate is rather dry (with 1.9in of precipitation over 3 days). It should be noted an improvement from the previous month since in august it receives an average of 2.4in of precipitation over 4 days.
The climate pleasant in this city the month of september. The thermometer averaged maximum of 72°F. The seasonal minimum is 58°F. Thus, the mean temperature average on this month of september in Saint-Nazaire is 65°F. These temperatures are far removed from those records observed in Saint-Nazaire in september with a maximum record of 95°F in 2021 and a minimum record of 43°F in 2010. You can hope to have about 28 days with temperatures above 65°F, or 93% of the month.
On average, in Saint-Nazaire, the days of september last 12:35. The sun rises at 06:46 and sunset is at 19:21.
With a good climate, this month is recommended to go in this locality in Pays de la Loire.
Seasonal average climate and temperature of Saint-Nazaire in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 72°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 95°F (2021) | ||||
| Lowest record temperature | 43°F (2010) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| 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 | 68°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 1.4in (2013) | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 9.52km | ||||
| Cloud cover | 31% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:46 | ||||
| Time of sunset | 19:21 | ||||
| Length of day | 12:35 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Saint-Nazaire in september 2024:
65°F to 68°F
63°F to 70°F
61°F to 68°F
56°F to 67°F
56°F to 63°F
54°F to 63°F
58°F to 59°F
61°F to 65°F
59°F to 68°F
54°F to 67°F
56°F to 61°F
52°F to 63°F
50°F to 65°F
49°F to 65°F
50°F to 67°F
52°F to 70°F
56°F to 72°F
58°F to 74°F
59°F to 72°F
58°F to 72°F
58°F to 65°F
59°F to 67°F
56°F to 63°F
58°F to 65°F
59°F to 61°F
59°F to 63°F
56°F to 58°F
50°F to 59°F
54°F to 61°F
59°F to 63°F
Map: other cities in the Pays de la Loire in september
Cities near Saint-Nazaire:
| Saint-Brevin-les-Pins in september | perfect weather |
| Saint-Andre-des-Eaux in september | perfect weather |
| Pornichet in september | perfect weather |
| Saint-Michel-Chef-Chef in september | perfect weather |
| La Baule in september | perfect weather |
| La Plaine-sur-Mer in september | perfect weather |
| Préfailles in september | perfect weather |
| Le Pouliguen in september | perfect weather |
| Guérande in september | perfect weather |
| Pornic in september | perfect weather |
| Batz-sur-Mer in september | perfect weather |
| Pontchateau in september | perfect weather |
Click over cities on the map for information about the weather in september.
Saint-Nazaire
perfect weather
good
tolerable
bad
very bad
Weather data for Saint-Nazaire in september:
Weather data for Saint-Nazaire for september are derived from an average of the weather forecast since 2009 in Saint-Nazaire. There is a margin of error and these forecasts are to be considered as general information only. The weather in Saint-Nazaire 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 Saint-Nazaire.