Swimming in Charentes in september 2025 Sea temperature by city in september
Do you want to go to the beach in Charentes in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Charentes by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Charentes in september 2025
Here, find the average sea temperature in Charentes in september in several coastal cities.
Île de Ré in september
67°F
min: 64°F / max: 70°F
67°F
min: 64°F / max: 70°F
67°F
min: 64°F / max: 70°F
Charente-Maritime in september
67°F
min: 64°F / max: 71°F
68°F
min: 64°F / max: 71°F
67°F
min: 64°F / max: 70°F
67°F
min: 64°F / max: 71°F
68°F
min: 63°F / max: 71°F
67°F
min: 64°F / max: 71°F
Where should you go swimming in Charentes in the month of september?
Swimming in Charentes in september is cool
In september in Charentes swimming conditions are generally the same everywhere.
Swimming in september in Saint-Martin-de-Re, Ars-en-Re, Île de Ré, Île d’Oléron, La Palmyre, La Rochelle, Royan, Sainte-Marie-de-Re, Aix Island (ile d'aix), Yves, Chatelaillon-Plage, Fouras, Marennes, Vaux-sur-Mer, Angoulins, Esnandes, La Tremblade, Meschers-sur-Gironde, Mortagne-sur-Gironde, Nieul-sur-Mer, Port-des-Barques, Saint-Denis-d'Oleron, Saint-Georges-de-Didonne, Saint-Palais-sur-Mer and Saint-Trojan-les-Bains is possible but the sea is generally cool. So though the sea temperature may sometimes reach 70°F, it can also go as low as 64°F. Note that the average is 67°F.
Where to go swimming in Charentes in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Saint-Martin-de-Re
| 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 | ||
| Precipitation | 2.6in | ||
| Number of days of precipitation | 4 jour(s) (15%) | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
More information on swimming in Saint-Martin-de-Re in september
Ars-en-Re
| September | |||
| Average sea temperature | 67°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 70°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 65°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 4 jour(s) (15%) | ||
| Cloud cover | 29% | ||
| Our opinion | cool swimming |
More information on swimming in Ars-en-Re in september
Île de Ré
| September | |||
| Average sea temperature | 67°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 65°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 4 jour(s) (15%) | ||
| Cloud cover | 29% | ||
| Our opinion | cool swimming |
More information on swimming on the Île de Ré in september
Île d’Oléron
| September | |||
| Average sea temperature | 67°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 65°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 4 jour(s) (15%) | ||
| Cloud cover | 29% | ||
| Our opinion | cool swimming |
More information on swimming in Île d’Oléron in september
La Palmyre
| September | |||
| Average sea temperature | 68°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 65°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 4 jour(s) (15%) | ||
| Cloud cover | 29% | ||
| Our opinion | cool swimming |
More information on swimming in La Palmyre in september
List of coastal cities in Charentes
| Saint-Martin-de-Re in september | cool swimming |
| Ars-en-Re in september | cool swimming |
| Île de Ré in september | cool swimming |
| Île d’Oléron in september | cool swimming |
| La Palmyre in september | cool swimming |
| La Rochelle in september | cool swimming |
| Royan in september | cool swimming |
| Sainte-Marie-de-Re in september | cool swimming |
| Aix Island (ile d'aix) in september | cool swimming |
| Yves in september | cool swimming |
| Chatelaillon-Plage in september | cool swimming |
| Fouras in september | cool swimming |
| Marennes in september | cool swimming |
| Vaux-sur-Mer in september | cool swimming |
| Angoulins in september | cool swimming |
| Esnandes in september | cool swimming |
| La Tremblade in september | cool swimming |
| Meschers-sur-Gironde in september | cool swimming |
| Mortagne-sur-Gironde in september | cool swimming |
| Nieul-sur-Mer in september | cool swimming |
| Port-des-Barques in september | cool swimming |
| Saint-Denis-d'Oleron in september | cool swimming |
| Saint-Georges-de-Didonne in september | cool swimming |
| Saint-Palais-sur-Mer in september | cool swimming |
| Saint-Trojan-les-Bains in september | cool swimming |