Swimming in Arcachon in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Arcachon in september 2025.
In september, according to seasonal norms, the sea temperature in Arcachon is:
Minimum: 65°F
Average: 69°F
Maximum: 72°F
Other useful seasonal weather averages in september:
- Outside temperature: 61°F to 75°F
- Most common weather: "Clear/Sunny"
- The wind blows at 9.9mph
- It rains a total of 2.8in, over 4 day(s).
Should we swim in Arcachon in september?
Yes... and no. The water temperature in Arcachon in september is cool
Swimming in september on the beaches of Arcachon is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 72°F, it can also be as low as 65°F! Note that the average is 69°F.
Note also that in september, the climate is perfect with an average outside temperature of 68°F, 2.8in of precipitation (over 4 days) and 82.43 % humidity.
Water and normal seasonal temperatures in Arcachon in september
| September | |||
| Average sea temperature | 69°F | ||
| Minimum sea temperature | 65°F | ||
| Maximum sea temperature | 72°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 9.9mph | ||
| Wind temperature | 61°F | ||
| Precipitation | 2.8in | ||
| Number of days of rain | 4 jour(s) (13%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9.58km | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Arcachon
Swim elsewhere in Gironde in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Dune of Pilat in september | 69°F | 72°F | cool swimming | Lacanau in september | 69°F | 72°F | cool swimming | Le Cap Ferret in september | 69°F | 73°F | cool swimming | Le Verdon-sur-Mer in september | 67°F | 71°F | cool swimming | Lège-Cap-Ferret in september | 69°F | 72°F | cool swimming | Montalivet in september | 68°F | 71°F | cool swimming | Andernos-les-Bains in september | 69°F | 72°F | cool swimming | Arès in september | 69°F | 73°F | cool swimming | Naujac-sur-Mer in september | 68°F | 72°F | cool swimming | Soulac in september | 68°F | 71°F | cool swimming |