Swimming in Corsica in september 2025 Sea temperature by city in september
Do you want to go to the beach in Corsica 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 Corsica by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Corsica in september 2025
Here, find the average sea temperature in Corsica in september in several coastal cities.
South (Corse-du-Sud) in september
74°F
min: 69°F / max: 79°F
74°F
min: 69°F / max: 80°F
75°F
min: 70°F / max: 79°F
74°F
min: 69°F / max: 79°F
75°F
min: 70°F / max: 80°F
75°F
min: 70°F / max: 80°F
North (Haute-Corse) in september
74°F
min: 70°F / max: 79°F
74°F
min: 71°F / max: 77°F
73°F
min: 69°F / max: 77°F
73°F
min: 69°F / max: 77°F
73°F
min: 69°F / max: 77°F
Cap Corse
74°F
min: 70°F / max: 77°F
Where should you go swimming in Corsica in the month of september?
Swimming in Corsica in september is pleasant
In september in Corsica swimming conditions are generally the same everywhere.
As for Ajaccio, Aleria, Bastia, Bonifacio, Calvi, Porto-Vecchio, Calcatoggio, Figari, Lumio, Palombaggia, Piana, Propriano, Algajola, Cap Corse, Coggia, Coti-Chiavari, Agriates, Galéria, Ile-rousse, Lavezzi archipelago, Moriani-Plage, Mucchiu Biancu (Monacia-d'Aullène), Nonza, Osani, Ota, Bussaglia Serriera, Piantarella Beach, Roccapina, Rogliano, Saint-Florent, San-Giuliano, Scandola, Serra-di-Ferro, Brando, Cargèse, Furiani, Ghisonaccia, San-Martino-di-Lota and Sari-Solenzara, swimming is pleasant in september. The sea water is 74°F on average (min: 69°F/max: 79°F) so you can easily spend time in the water.
Where to go swimming in Corsica in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Ajaccio
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 70°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 18% | ||
| Our opinion | pleasant swimming |
More information on swimming in Ajaccio in september
Aleria
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 2.5in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 16% | ||
| Our opinion | pleasant swimming |
More information on swimming in Aleria in september
Bastia
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 71°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 68°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 4 jour(s) (12%) | ||
| Cloud cover | 17% | ||
| Our opinion | pleasant swimming |
More information on swimming in Bastia in september
Bonifacio
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 80°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 72°F | ||
| Precipitation | 2in | ||
| Number of days of precipitation | 4 jour(s) (12%) | ||
| Cloud cover | 16% | ||
| Our opinion | pleasant swimming |
More information on swimming in Bonifacio in september
Calvi
| September | |||
| Average sea temperature | 73°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 70°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.2in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 16% | ||
| Our opinion | pleasant swimming |
More information on swimming in Calvi in september
List of coastal cities in Corsica
| Ajaccio in september | pleasant swimming |
| Aleria in september | pleasant swimming |
| Bastia in september | pleasant swimming |
| Bonifacio in september | pleasant swimming |
| Calvi in september | pleasant swimming |
| Porto-Vecchio in september | pleasant swimming |
| Calcatoggio in september | pleasant swimming |
| Figari in september | pleasant swimming |
| Lumio in september | pleasant swimming |
| Palombaggia in september | pleasant swimming |
| Piana in september | pleasant swimming |
| Propriano in september | pleasant swimming |
| Algajola in september | pleasant swimming |
| Cap Corse in september | pleasant swimming |
| Coggia in september | pleasant swimming |
| Coti-Chiavari in september | pleasant swimming |
| Agriates in september | pleasant swimming |
| Galéria in september | pleasant swimming |
| Ile-rousse in september | pleasant swimming |
| Lavezzi archipelago in september | pleasant swimming |
| Moriani-Plage in september | pleasant swimming |
| Mucchiu Biancu (Monacia-d'Aullène) in september | pleasant swimming |
| Nonza in september | pleasant swimming |
| Osani in september | pleasant swimming |
| Ota in september | pleasant swimming |
| Bussaglia Serriera in september | pleasant swimming |
| Piantarella Beach in september | pleasant swimming |
| Roccapina in september | pleasant swimming |
| Rogliano in september | pleasant swimming |
| Saint-Florent in september | pleasant swimming |
| San-Giuliano in september | pleasant swimming |
| Scandola in september | pleasant swimming |
| Serra-di-Ferro in september | pleasant swimming |
| Brando in september | pleasant swimming |
| Cargèse in september | pleasant swimming |
| Furiani in september | pleasant swimming |
| Ghisonaccia in september | pleasant swimming |
| San-Martino-di-Lota in september | pleasant swimming |
| Sari-Solenzara in september | pleasant swimming |