Swimming in Yeu Island (Île d'Yeu) in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Yeu Island (Île d'Yeu) in september 2025.

In september, according to seasonal norms, the sea temperature in Yeu Island (Île d'Yeu) 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 Yeu Island (Île d'Yeu) in september?

Yes... and no. The water temperature in Yeu Island (Île d'Yeu) in september is cool

Swimming in september on the beaches of Yeu Island (Île d'Yeu) 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 Yeu Island (Île d'Yeu) 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 Yeu Island (Île d'Yeu)

Swim elsewhere in Vendée in september

City Average T° Max. T° Our opinion
Jard-sur-Mer in september67°F71°Fcool swimming
La Tranche-sur-Mer in september67°F70°Fcool swimming
Les Sables-d'Olonne in september67°F69°Fcool swimming
Noirmoutier Island in september66°F69°Fcool swimming
Saint-Gilles-Croix-de-Vie in september66°F69°Fcool swimming
La Faute-sur-Mer in september67°F70°Fcool swimming
Port Bourgenay in september67°F70°Fcool swimming

Swim in Vendée in september: sea temperature by city

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