Swim in La Tranche-sur-Mer in september 2024What is the temperature of the sea in in september?

Average sea temperature in La Tranche-sur-Mer in september 2024.

In september, according to seasonal norms, the sea temperature in La Tranche-sur-Mer is:

Minimum: 64°F

Average: 67°F

Maximum: 70°F

Other useful seasonal weather averages in september:

  • Outside temperature: 61°F to 72°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 9.9mph
  • It rains a total of 2.6in, over 4 day(s).

Should we swim in La Tranche-sur-Mer in september?

Yes... and no. The water temperature in La Tranche-sur-Mer in september is cool

Swimming in september on the beaches of La Tranche-sur-Mer is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 70°F, it can also be as low as 64°F! Note that the average is 67°F.

Note also that in september, the climate is good with an average outside temperature of 66°F, 2.6in of precipitation (over 4 days) and 81.63 % humidity.

Water and normal seasonal temperatures in La Tranche-sur-Mer in september

September
Average sea temperature 67°F
Minimum sea temperature 64°F
Maximum sea temperature 70°F
Average outside temperature 67°F
Maximum outside temperature 74°F
Minimum outside temperature 61°F
Wind speed 12.4mph
Wind temperature 61°F
Precipitation 2.6in
Number of days of rain 4 jour(s)
(15%)
Humidity 82%
Visibility in kilometers 9.69km
Cloud cover 28%
Our opinion cool swimming

Swim elsewhere in Vendée in september

City Average T° Max. T° Our opinion
Jard-sur-Mer in september67°F71°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
Yeu Island (Île d'Yeu) in september66°F69°Fcool swimming
Port Bourgenay in september67°F70°Fcool swimming

Swim in Vendée in september: sea temperature by city

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