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 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Portivecju | 82.0°F | 76.3°F | 76.6°F |
| Bastia | 81.7°F | 76.0°F | 77.1°F |
| Aiacciu | 81.3°F | 75.9°F | 74.6°F |
| Bunifaziu | 81.2°F | 75.7°F | 75.3°F |
| Corsica | 80.9°F | 75.6°F | 74.5°F |
| Calvi | 80.8°F | 75.8°F | 74.7°F |
| Saint Jean Cap Ferrat | 80.7°F | 75.5°F | 75.7°F |
| Roquebrune Cap Martin | 80.6°F | 75.5°F | 75.8°F |
| Propriano | 80.6°F | 75.3°F | 74.6°F |
| Menton | 80.5°F | 75.4°F | 75.8°F |
| Nice | 80.4°F | 75.3°F | 75.4°F |
| Juan les Pins | 80.3°F | 75.0°F | 75.4°F |
| Antibes | 80.3°F | 75.0°F | 75.4°F |
| Golfe Juan | 80.2°F | 74.9°F | 75.4°F |
| Saint Laurent du Var | 80.2°F | 75.1°F | 75.2°F |
| Cagnes sur Mer | 80.2°F | 75.0°F | 75.2°F |
| Cannes | 80.2°F | 74.9°F | 75.5°F |
| Theoule Sur Mer | 80.1°F | 74.8°F | 75.7°F |
| Mandelieu la Napoule | 80.1°F | 74.8°F | 75.7°F |
| Frejus | 79.2°F | 74.3°F | 75.4°F |
| Cavalaire sur Mer | 79.1°F | 73.9°F | 75.2°F |
| Saint-Tropez | 79.0°F | 74.0°F | 75.3°F |
| Sainte Maxime | 78.8°F | 73.9°F | 75.3°F |
| Le Lavandou | 78.3°F | 73.3°F | 75.0°F |
| La Londe les Maures | 78.0°F | 72.6°F | 74.9°F |
| Perpignan | 76.3°F | 71.1°F | 70.1°F |
| Toulon | 76.2°F | 71.2°F | 74.0°F |
| La Seyne sur Mer | 75.9°F | 71.1°F | 73.9°F |
| Le Grau Du Roi | 75.8°F | 70.4°F | 70.7°F |
| Sanary-sur-Mer | 75.8°F | 71.0°F | 73.8°F |
| Bandol | 75.8°F | 70.9°F | 73.9°F |
| Saint Syr Sur Mer | 75.4°F | 70.8°F | 74.0°F |
| Montpellier | 75.4°F | 70.0°F | 70.2°F |
| Palavas les Flots | 75.4°F | 70.0°F | 70.1°F |
| La Ciotat | 75.2°F | 70.8°F | 74.0°F |
| Frontignan | 75.1°F | 70.2°F | 69.9°F |
| Cassis | 74.8°F | 70.7°F | 73.8°F |
| Narbonne | 74.7°F | 69.6°F | 69.3°F |
| Avignon | 74.6°F | 70.3°F | 71.0°F |
| Marseilles | 74.2°F | 70.5°F | 73.1°F |
| Avoriaz | 73.6°F | 68.3°F | 68.7°F |
| Evian-les-Bains | 73.5°F | 68.1°F | 68.4°F |
| Beziers | 73.2°F | 69.2°F | 69.3°F |
| Chamonix | 73.2°F | 68.1°F | 68.0°F |
| Biarritz | 73.0°F | 70.7°F | 69.4°F |
| Bordeaux | 72.2°F | 68.9°F | 67.9°F |
| Megeve | 72.2°F | 67.1°F | 67.5°F |
| Annecy | 72.1°F | 66.9°F | 67.2°F |
| Arcachon | 71.5°F | 69.0°F | 67.3°F |
| La Rochelle | 71.2°F | 67.3°F | 65.4°F |
| Le Havre | 68.3°F | 65.0°F | 65.2°F |
| Deauville | 68.3°F | 65.0°F | 65.2°F |
| Etretat | 68.1°F | 65.3°F | 65.1°F |
| Saint Malo | 68.0°F | 65.2°F | 65.0°F |
| Rennes | 67.8°F | 64.9°F | 64.8°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
