In September warmest sea in France is usually observed in the following locations: Portivecju, Bastia, Bunifaziu.
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 | 80.6°F | 76.3°F | 76.6°F |
| Bastia | 80.3°F | 76.0°F | 77.1°F |
| Bunifaziu | 80.0°F | 75.7°F | 75.3°F |
| Aiacciu | 79.9°F | 75.9°F | 74.6°F |
| Corsica | 79.6°F | 75.6°F | 74.5°F |
| Propriano | 79.4°F | 75.3°F | 74.6°F |
| Roquebrune Cap Martin | 79.2°F | 75.5°F | 75.8°F |
| Saint Jean Cap Ferrat | 79.1°F | 75.5°F | 75.7°F |
| Calvi | 79.1°F | 75.8°F | 74.7°F |
| Menton | 79.0°F | 75.4°F | 75.8°F |
| Nice | 78.9°F | 75.3°F | 75.4°F |
| Antibes | 78.7°F | 75.0°F | 75.4°F |
| Juan les Pins | 78.7°F | 75.0°F | 75.4°F |
| Cannes | 78.7°F | 74.9°F | 75.5°F |
| Mandelieu la Napoule | 78.7°F | 74.8°F | 75.7°F |
| Theoule Sur Mer | 78.7°F | 74.8°F | 75.7°F |
| Saint Laurent du Var | 78.7°F | 75.1°F | 75.2°F |
| Golfe Juan | 78.7°F | 74.9°F | 75.4°F |
| Cagnes sur Mer | 78.6°F | 75.0°F | 75.2°F |
| Frejus | 78.1°F | 74.3°F | 75.4°F |
| Cavalaire sur Mer | 77.9°F | 73.9°F | 75.2°F |
| Saint-Tropez | 77.9°F | 74.0°F | 75.3°F |
| Sainte Maxime | 77.8°F | 73.9°F | 75.3°F |
| Le Lavandou | 77.3°F | 73.3°F | 75.0°F |
| La Londe les Maures | 77.0°F | 72.6°F | 74.9°F |
| Toulon | 75.5°F | 71.2°F | 74.0°F |
| La Seyne sur Mer | 75.3°F | 71.1°F | 73.9°F |
| Sanary-sur-Mer | 75.3°F | 71.0°F | 73.8°F |
| Bandol | 75.3°F | 70.9°F | 73.9°F |
| Saint Syr Sur Mer | 74.9°F | 70.8°F | 74.0°F |
| La Ciotat | 74.7°F | 70.8°F | 74.0°F |
| Cassis | 74.4°F | 70.7°F | 73.8°F |
| Perpignan | 74.2°F | 71.1°F | 70.1°F |
| Le Grau Du Roi | 74.0°F | 70.4°F | 70.7°F |
| Montpellier | 73.7°F | 70.0°F | 70.2°F |
| Palavas les Flots | 73.6°F | 70.0°F | 70.1°F |
| Marseilles | 73.2°F | 70.5°F | 73.1°F |
| Frontignan | 73.1°F | 70.2°F | 69.9°F |
| Avignon | 72.8°F | 70.3°F | 71.0°F |
| Narbonne | 72.6°F | 69.6°F | 69.3°F |
| Biarritz | 72.2°F | 70.7°F | 69.4°F |
| Beziers | 71.2°F | 69.2°F | 69.3°F |
| Avoriaz | 71.1°F | 68.3°F | 68.7°F |
| Evian-les-Bains | 71.1°F | 68.1°F | 68.4°F |
| Bordeaux | 71.1°F | 68.9°F | 67.9°F |
| Chamonix | 70.9°F | 68.1°F | 68.0°F |
| Megeve | 70.4°F | 67.1°F | 67.5°F |
| Annecy | 70.3°F | 66.9°F | 67.2°F |
| La Rochelle | 70.1°F | 67.3°F | 65.4°F |
| Arcachon | 70.1°F | 69.0°F | 67.3°F |
| Etretat | 67.4°F | 65.3°F | 65.1°F |
| Deauville | 67.4°F | 65.0°F | 65.2°F |
| Saint Malo | 67.4°F | 65.2°F | 65.0°F |
| Le Havre | 67.4°F | 65.0°F | 65.2°F |
| Rennes | 67.1°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
