Swim in Saint-Brieuc (Côtes d'Armor) in september 2024What is the temperature of the sea in in september?

Average sea temperature in Saint-Brieuc (Côtes d'Armor) in september 2024.

In september, according to seasonal norms, the sea temperature in Saint-Brieuc (Côtes d'Armor) is:

Minimum: 63°F

Average: 65°F

Maximum: 67°F

Other useful seasonal weather averages in september:

  • Outside temperature: 55°F to 68°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 7.5mph
  • It rains a total of 2in, over 3 day(s).

Should we swim in Saint-Brieuc (Côtes d'Armor) in september?

Yes... and no. The water temperature in Saint-Brieuc (Côtes d'Armor) in september is cool

Swimming in september on the beaches of Saint-Brieuc (Côtes d'Armor) is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 67°F, it can also be as low as 63°F! Note that the average is 65°F.

Note also that in september, the climate is good with an average outside temperature of 61°F, 1.9in of precipitation (over 3 days) and 90.43 % humidity.

Water and normal seasonal temperatures in Saint-Brieuc (Côtes d'Armor) in september

September
Average sea temperature 65°F
Minimum sea temperature 63°F
Maximum sea temperature 67°F
Average outside temperature 61°F
Maximum outside temperature 68°F
Minimum outside temperature 56°F
Wind speed 11.8mph
Wind temperature 54°F
Precipitation 2in
Number of days of rain 3 jour(s)
(10%)
Humidity 91%
Visibility in kilometers 9.09km
Cloud cover 41%
Our opinion cool swimming

Swim elsewhere in Brittany in september

City Average T° Max. T° Our opinion
Brest in september62°F65°Fcold swimming
Lorient 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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