Swimming in La Tranche-sur-Mer in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in La Tranche-sur-Mer in september 2025.
In september, according to seasonal norms, the sea temperature in La Tranche-sur-Mer is:
Minimum: 64°F
Average: 67°F
Maximum: 70°F
Other useful seasonal weather averages in september:
- Outside temperature: 61°F to 72°F
- Most common weather: "Clear/Sunny"
- The wind blows at 9.9mph
- It rains a total of 2.6in, over 4 day(s).
Should we swim in La Tranche-sur-Mer in september?
Yes... and no. The water temperature in La Tranche-sur-Mer in september is cool
Swimming in september on the beaches of La Tranche-sur-Mer is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 70°F, it can also be as low as 64°F! Note that the average is 67°F.
Note also that in september, the climate is good with an average outside temperature of 66°F, 2.6in of precipitation (over 4 days) and 81.63 % humidity.
Water and normal seasonal temperatures in La Tranche-sur-Mer in september
| September | |||
| Average sea temperature | 67°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 70°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 61°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 61°F | ||
| Precipitation | 2.6in | ||
| Number of days of rain | 4 jour(s) (15%) | ||
| Humidity | 82% | ||
| Visibility in kilometers | 9.69km | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in La Tranche-sur-Mer
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 | Les Sables-d'Olonne in september | 67°F | 69°F | cool swimming | Noirmoutier Island in september | 66°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 |