Swimming in Mont Saint-Michel in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Mont Saint-Michel in september 2025.
In september, according to seasonal norms, the sea temperature in Mont Saint-Michel is:
Minimum: 63°F
Average: 65°F
Maximum: 67°F
Other useful seasonal weather averages in september:
- Outside temperature: 57°F to 67°F
- Most common weather: "Clear/Sunny"
- The wind blows at 8.1mph
- It rains a total of 2.2in, over 3 day(s).
Should we swim in Mont Saint-Michel in september?
Yes... and no. The water temperature in Mont Saint-Michel in september is cool
Swimming in september on the beaches of Mont Saint-Michel is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 67°F, it can also be as low as 63°F! Note that the average is 65°F.
Note also that in september, the climate is good with an average outside temperature of 62°F, 2.2in of precipitation (over 3 days) and 86.47 % humidity.
Water and normal seasonal temperatures in Mont Saint-Michel in september
| September | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 63°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 58°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 56°F | ||
| Precipitation | 2.2in | ||
| Number of days of rain | 3 jour(s) (11%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 9.52km | ||
| Cloud cover | 37% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Mont Saint-Michel
Swim elsewhere in Normandy in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Cherbourg-Octeville (Cotentin) in september | 64°F | 66°F | cool swimming | Deauville in september | 65°F | 67°F | cool swimming | Dieppe in september | 65°F | 67°F | cool swimming | Cabourg in september | 65°F | 66°F | cool swimming | Granville in september | 65°F | 67°F | cool swimming | Honfleur in september | 65°F | 67°F | cool swimming | Le Havre in september | 65°F | 67°F | cool swimming | Ouistreham in september | 65°F | 67°F | cool swimming | Barfleur in september | 65°F | 66°F | cool swimming | Barneville-Carteret in september | 65°F | 67°F | cool swimming | Étretat in september | 65°F | 67°F | cool swimming | La Hague in september | 64°F | 66°F | cool swimming | Pirou Plage in september | 65°F | 67°F | cool swimming | Saint-Germain-sur-Ay in september | 65°F | 67°F | cool swimming | Saint-Laurent-sur-Mer in september | 65°F | 67°F | cool swimming | Surtainville in september | 65°F | 67°F | cool swimming | Vierville-sur-Mer in september | 65°F | 66°F | cool swimming | Villerville in september | 65°F | 67°F | cool swimming |