Swimming in the Somme Bay in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in the Somme Bay in september 2025.
In september, according to seasonal norms, the sea temperature in the Somme Bay 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 the Somme Bay in september?
Yes... and no. The water temperature in the Somme Bay in september is cool
Swimming in september on the beaches of Somme Bay 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 the Somme Bay 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 the Somme Bay
Swim elsewhere in Picardy in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Fort-Mahon-Plage in september | 65°F | 67°F | cool swimming | Quend Plage in september | 65°F | 67°F | cool swimming | Saint-Valery-sur-Somme in september | 65°F | 67°F | cool swimming |