Swimming in Brehat Island (Île de Bréhat) in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Brehat Island (Île de Bréhat) in september 2025.
In september, according to seasonal norms, the sea temperature in Brehat Island (Île de Bréhat) is:
Minimum: 61°F
Average: 64°F
Maximum: 65°F
Other useful seasonal weather averages in september:
- Outside temperature: 59°F to 65°F
- Most common weather: "Clear/Sunny"
- The wind blows at 8.7mph
- It rains a total of 2.5in, over 4 day(s).
Should we swim in Brehat Island (Île de Bréhat) in september?
Yes... and no. The water temperature in Brehat Island (Île de Bréhat) in september is cool
Swimming in september on the beaches of Brehat Island (Île de Bréhat) is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 65°F, it can also be as low as 61°F! Note that the average is 64°F.
Note also that in september, the climate is good with an average outside temperature of 62°F, 2.5in of precipitation (over 4 days) and 84.61 % humidity.
Water and normal seasonal temperatures in Brehat Island (Île de Bréhat) in september
| September | |||
| Average sea temperature | 64°F | ||
| Minimum sea temperature | 61°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 63°F | ||
| Maximum outside temperature | 65°F | ||
| Minimum outside temperature | 59°F | ||
| Wind speed | 14.9mph | ||
| Wind temperature | 58°F | ||
| Precipitation | 2.5in | ||
| Number of days of rain | 4 jour(s) (14%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.64km | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Brehat Island (Île de Bréhat)
Swim elsewhere in Brittany in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Brest in september | 62°F | 65°F | cold swimming | Lorient in september | 65°F | 67°F | cool swimming | Saint-Brieuc (Côtes d'Armor) in september | 65°F | 67°F | cool swimming | Saint-Malo in september | 65°F | 67°F | cool swimming | Vannes in september | 65°F | 68°F | cool swimming | Concarneau in september | 63°F | 66°F | cool swimming | Dinard in september | 65°F | 67°F | cool swimming | Erquy in september | 65°F | 67°F | cool swimming | Perros-Guirec in september | 63°F | 66°F | cool swimming | The Quiberon peninsula in september | 65°F | 68°F | cool swimming | Belle-Île-en-Mer in september | 65°F | 68°F | cool swimming | Bénodet in september | 63°F | 66°F | cool swimming | Cap Fréhel in september | 65°F | 67°F | cool swimming | Carnac in september | 64°F | 67°F | cool swimming | côte de granit rose (Pink Granite Coast) in september | 61°F | 64°F | cold swimming | Doëlan (Clohars-Carnoët) in september | 63°F | 66°F | cool swimming | Douarnenez in september | 62°F | 65°F | cold swimming | Fouesnant in september | 64°F | 66°F | cool swimming | Lannion in september | 62°F | 64°F | cold swimming | Le Crouesty in september | 65°F | 68°F | cool swimming |