Swimming in Noirmoutier Island in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Noirmoutier Island in september 2025.
In september, according to seasonal norms, the sea temperature in Noirmoutier Island is:
Minimum: 63°F
Average: 66°F
Maximum: 69°F
Other useful seasonal weather averages in september:
- Outside temperature: 57°F to 71°F
- Most common weather: "Clear/Sunny"
- The wind blows at 8.1mph
- It rains a total of 1.9in, over 3 day(s).
Should we swim in Noirmoutier Island in september?
Yes... and no. The water temperature in Noirmoutier Island in september is cool
Swimming in september on the beaches of Noirmoutier Island is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 69°F, it can also be as low as 63°F! Note that the average is 66°F.
Note also that in september, the climate is perfect with an average outside temperature of 64°F, 1.9in of precipitation (over 3 days) and 87.53 % humidity.
Water and normal seasonal temperatures in Noirmoutier Island in september
| September | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 69°F | ||
| Average outside temperature | 65°F | ||
| Maximum outside temperature | 72°F | ||
| Minimum outside temperature | 58°F | ||
| Wind speed | 11.8mph | ||
| Wind temperature | 56°F | ||
| Precipitation | 1.9in | ||
| Number of days of rain | 3 jour(s) (10%) | ||
| Humidity | 88% | ||
| Visibility in kilometers | 9.52km | ||
| Cloud cover | 31% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Noirmoutier Island
Swim elsewhere in Vendée in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Jard-sur-Mer in september | 67°F | 71°F | cool swimming | La Tranche-sur-Mer in september | 67°F | 70°F | cool swimming | Les Sables-d'Olonne in september | 67°F | 69°F | cool swimming | Saint-Gilles-Croix-de-Vie in september | 66°F | 69°F | cool swimming | La Faute-sur-Mer in september | 67°F | 70°F | cool swimming | Yeu Island (Île d'Yeu) in september | 66°F | 69°F | cool swimming | Port Bourgenay in september | 67°F | 70°F | cool swimming |