Swimming in Saint-Julien-en-Born in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Saint-Julien-en-Born in september 2025.

In september, according to seasonal norms, the sea temperature in Saint-Julien-en-Born is:

Minimum: 66°F

Average: 70°F

Maximum: 74°F

Other useful seasonal weather averages in september:

  • Outside temperature: 63°F to 73°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 10.6mph
  • It rains a total of 3.3in, over 5 day(s).

Should we swim in Saint-Julien-en-Born in september?

Yes... and no. The water temperature in Saint-Julien-en-Born in september is cool

Swimming in september on the beaches of Saint-Julien-en-Born is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 74°F, it can also be as low as 66°F! Note that the average is 70°F.

Note also that in september, the climate is good with an average outside temperature of 68°F, 3.3in of precipitation (over 5 days) and 80.48 % humidity.

Water and normal seasonal temperatures in Saint-Julien-en-Born in september

September
Average sea temperature 70°F
Minimum sea temperature 66°F
Maximum sea temperature 74°F
Average outside temperature 68°F
Maximum outside temperature 74°F
Minimum outside temperature 63°F
Wind speed 11.2mph
Wind temperature 63°F
Precipitation 3.3in
Number of days of rain 5 jour(s)
(15%)
Humidity 81%
Visibility in kilometers 9.69km
Cloud cover 28%
Our opinion cool swimming

Chart of the tides in september 2025

Tide times in september 2025 in Saint-Julien-en-Born

Swim elsewhere in the Landes in september

City Average T° Max. T° Our opinion
Biscarrosse in september69°F72°Fcool swimming
Capbreton in september70°F74°Fcool swimming
Hossegor in september70°F74°Fcool swimming
Messanges in september70°F74°Fcool swimming
Mimizan in september69°F73°Fcool swimming
Seignosse in september70°F74°Fcool swimming
Labenne in september70°F74°Fcool swimming
Lit-et-Mixe in september70°F74°Fcool swimming
Moliets-et-Maa in september70°F74°Fcool swimming
Sainte-Eulalie-en-Born in september69°F72°Fcool swimming

Swim in the Landes in september: sea temperature by city

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