Swimming in Saint-Gilles-Croix-de-Vie in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Saint-Gilles-Croix-de-Vie in september 2025.
In september, according to seasonal norms, the sea temperature in Saint-Gilles-Croix-de-Vie is:
Minimum: 64°F
Average: 66°F
Maximum: 69°F
Other useful seasonal weather averages in september:
- Outside temperature: 61°F to 70°F
- Most common weather: "Clear/Sunny"
- The wind blows at 9.3mph
- It rains a total of 2.6in, over 4 day(s).
Should we swim in Saint-Gilles-Croix-de-Vie in september?
Yes... and no. The water temperature in Saint-Gilles-Croix-de-Vie in september is cool
Swimming in september on the beaches of Saint-Gilles-Croix-de-Vie 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 64°F! Note that the average is 66°F.
Note also that in september, the climate is perfect with an average outside temperature of 65°F, 2.5in of precipitation (over 4 days) and 82.02 % humidity.
Water and normal seasonal temperatures in Saint-Gilles-Croix-de-Vie in september
| September | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 69°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 61°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 59°F | ||
| Precipitation | 2.6in | ||
| Number of days of rain | 4 jour(s) (13%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9.7km | ||
| Cloud cover | 31% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Saint-Gilles-Croix-de-Vie
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 | Noirmoutier Island 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 |