Swimming in Brest in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Brest in september 2025.

In september, according to seasonal norms, the sea temperature in Brest is:

Minimum: 60°F

Average: 62°F

Maximum: 65°F

Other useful seasonal weather averages in september:

  • Outside temperature: 58°F to 67°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 8.7mph
  • It rains a total of 2.4in, over 3 day(s).

Should we swim in Brest in september?

No... The water temperature in Brest in september is cold

Swimming in Brest in september is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 62°F (minimum: 60°F - maximum: 65°F).

Note also that in september, the climate is good with an average outside temperature of 62°F, 2.3in of precipitation (over 3 days) and 87.89 % humidity.

Water and normal seasonal temperatures in Brest in september

September
Average sea temperature 62°F
Minimum sea temperature 60°F
Maximum sea temperature 65°F
Average outside temperature 63°F
Maximum outside temperature 67°F
Minimum outside temperature 58°F
Wind speed 13.7mph
Wind temperature 58°F
Precipitation 2.4in
Number of days of rain 3 jour(s)
(11%)
Humidity 88%
Visibility in kilometers 9.2km
Cloud cover 42%
Our opinion cold swimming

Chart of the tides in september 2025

Tide times in september 2025 in Brest

Swim elsewhere in Brittany in september

City Average T° Max. T° Our opinion
Lorient in september65°F67°Fcool swimming
Saint-Brieuc (Côtes d'Armor) in september65°F67°Fcool swimming
Saint-Malo in september65°F67°Fcool swimming
Vannes in september65°F68°Fcool swimming
Concarneau in september63°F66°Fcool swimming
Dinard in september65°F67°Fcool swimming
Erquy in september65°F67°Fcool swimming
Perros-Guirec in september63°F66°Fcool swimming
The Quiberon peninsula in september65°F68°Fcool swimming
Belle-Île-en-Mer in september65°F68°Fcool swimming
Bénodet in september63°F66°Fcool swimming
Brehat Island (Île de Bréhat) in september64°F65°Fcool swimming
Cap Fréhel in september65°F67°Fcool swimming
Carnac in september64°F67°Fcool swimming
côte de granit rose (Pink Granite Coast) in september61°F64°Fcold swimming
Doëlan (Clohars-Carnoët) in september63°F66°Fcool swimming
Douarnenez in september62°F65°Fcold swimming
Fouesnant in september64°F66°Fcool swimming
Lannion in september62°F64°Fcold swimming
Le Crouesty in september65°F68°Fcool swimming

Swim in Brittany in september: sea temperature by city

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