Swimming in Saint-Valery-sur-Somme in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Saint-Valery-sur-Somme in september 2025.
In september, according to seasonal norms, the sea temperature in Saint-Valery-sur-Somme is:
Minimum: 63°F
Average: 65°F
Maximum: 67°F
Other useful seasonal weather averages in september:
- Outside temperature: 55°F to 68°F
- Most common weather: "Clear/Sunny"
- The wind blows at 7.5mph
- It rains a total of 2.7in, over 5 day(s).
Should we swim in Saint-Valery-sur-Somme in september?
Yes... and no. The water temperature in Saint-Valery-sur-Somme in september is cool
Swimming in september on the beaches of Saint-Valery-sur-Somme 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 61°F, 2.6in of precipitation (over 5 days) and 88.84 % humidity.
Water and normal seasonal temperatures in Saint-Valery-sur-Somme in september
| September | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 61°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 11.2mph | ||
| Wind temperature | 54°F | ||
| Precipitation | 2.7in | ||
| Number of days of rain | 5 jour(s) (15%) | ||
| Humidity | 89% | ||
| Visibility in kilometers | 8.94km | ||
| Cloud cover | 40% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Saint-Valery-sur-Somme
Swim elsewhere in Picardy in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Somme Bay in september | 65°F | 67°F | cool swimming | Fort-Mahon-Plage in september | 65°F | 67°F | cool swimming | Quend Plage in september | 65°F | 67°F | cool swimming |