In September warmest sea in France is usually observed in the following locations: Portivecju, Bastia, Aiacciu.
Table below shows the average sea water temperature for marine resorts of France in September for the last three years.
| Place name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Portivecju | 76.3°F | 76.6°F | 75.0°F |
| Bastia | 76.0°F | 77.1°F | 75.5°F |
| Aiacciu | 75.9°F | 74.6°F | 73.9°F |
| Calvi | 75.8°F | 74.7°F | 74.2°F |
| Bunifaziu | 75.7°F | 75.3°F | 74.7°F |
| Corsica | 75.6°F | 74.5°F | 73.7°F |
| Roquebrune Cap Martin | 75.5°F | 75.8°F | 75.1°F |
| Saint Jean Cap Ferrat | 75.5°F | 75.7°F | 75.0°F |
| Menton | 75.4°F | 75.8°F | 75.1°F |
| Propriano | 75.3°F | 74.6°F | 73.7°F |
| Nice | 75.3°F | 75.4°F | 74.9°F |
| Saint Laurent du Var | 75.1°F | 75.2°F | 74.7°F |
| Cagnes sur Mer | 75.0°F | 75.2°F | 74.7°F |
| Antibes | 75.0°F | 75.4°F | 74.8°F |
| Juan les Pins | 75.0°F | 75.4°F | 74.8°F |
| Golfe Juan | 74.9°F | 75.4°F | 74.8°F |
| Cannes | 74.9°F | 75.5°F | 74.9°F |
| Mandelieu la Napoule | 74.8°F | 75.7°F | 74.9°F |
| Theoule Sur Mer | 74.8°F | 75.7°F | 74.9°F |
| Frejus | 74.3°F | 75.4°F | 74.3°F |
| Saint-Tropez | 74.0°F | 75.3°F | 74.2°F |
| Sainte Maxime | 73.9°F | 75.3°F | 74.2°F |
| Cavalaire sur Mer | 73.9°F | 75.2°F | 74.3°F |
| Le Lavandou | 73.3°F | 75.0°F | 74.2°F |
| La Londe les Maures | 72.6°F | 74.9°F | 74.1°F |
| Toulon | 71.2°F | 74.0°F | 73.6°F |
| Perpignan | 71.1°F | 70.1°F | 72.9°F |
| La Seyne sur Mer | 71.1°F | 73.9°F | 73.6°F |
| Sanary-sur-Mer | 71.0°F | 73.8°F | 73.7°F |
| Bandol | 70.9°F | 73.9°F | 73.7°F |
| Saint Syr Sur Mer | 70.8°F | 74.0°F | 73.8°F |
| La Ciotat | 70.8°F | 74.0°F | 73.9°F |
| Cassis | 70.7°F | 73.8°F | 74.0°F |
| Biarritz | 70.7°F | 69.4°F | 72.9°F |
| Marseilles | 70.5°F | 73.1°F | 73.9°F |
| Le Grau Du Roi | 70.4°F | 70.7°F | 73.3°F |
| Avignon | 70.3°F | 71.0°F | 73.1°F |
| Frontignan | 70.2°F | 69.9°F | 72.3°F |
| Palavas les Flots | 70.0°F | 70.1°F | 72.6°F |
| Montpellier | 70.0°F | 70.2°F | 72.9°F |
| Narbonne | 69.6°F | 69.3°F | 72.2°F |
| Beziers | 69.2°F | 69.3°F | 72.0°F |
| Arcachon | 69.0°F | 67.3°F | 71.8°F |
| Bordeaux | 68.9°F | 67.9°F | 71.4°F |
| Avoriaz | 68.3°F | 68.7°F | 71.4°F |
| Evian-les-Bains | 68.1°F | 68.4°F | 71.0°F |
| Chamonix | 68.1°F | 68.0°F | 70.6°F |
| La Rochelle | 67.3°F | 65.4°F | 71.1°F |
| Megeve | 67.1°F | 67.5°F | 70.4°F |
| Annecy | 66.9°F | 67.2°F | 70.1°F |
| Etretat | 65.3°F | 65.1°F | 67.1°F |
| Saint Malo | 65.2°F | 65.0°F | 67.1°F |
| Deauville | 65.0°F | 65.2°F | 67.8°F |
| Le Havre | 65.0°F | 65.2°F | 67.8°F |
| Rennes | 64.9°F | 64.8°F | 66.6°F |
Charts below show average sea water temperature for France resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of France resorts at that time.
Places in France:
Name
°F
