Average sea water temperature in September:
+67.3°F
| Minimum sea water temperature in September: | 73.2°F |
| Maximum sea water temperature in September: | 62.1°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 72.5°F and 70.3°F.
sea water
temperature
temperature
| La Rochelle |
monthly
weather
weather
| La Rochelle |
current
weather
weather
| La Rochelle |
14 days
forecast
forecast
| La Rochelle |
Monthly sea water temperature in La Rochelle, °F
Which France resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Portivecju | 81.8°F | 76.3°F |
| Bastia | 81.5°F | 76.0°F |
| Aiacciu | 81.1°F | 75.9°F |
| Bunifaziu | 81.0°F | 75.7°F |
| Corsica | 80.7°F | 75.6°F |
| Calvi | 80.5°F | 75.8°F |
| Propriano | 80.5°F | 75.3°F |
| Saint Jean Cap Ferrat | 80.4°F | 75.5°F |
| Roquebrune Cap Martin | 80.4°F | 75.5°F |
| Menton | 80.2°F | 75.4°F |
| Nice | 80.2°F | 75.3°F |
| Antibes | 80.0°F | 75.0°F |
| Juan les Pins | 80.0°F | 75.0°F |
| Saint Laurent du Var | 79.9°F | 75.1°F |
| Golfe Juan | 79.9°F | 74.9°F |
| Cagnes sur Mer | 79.9°F | 75.0°F |
| Cannes | 79.9°F | 74.9°F |
| Theoule Sur Mer | 79.9°F | 74.8°F |
| Mandelieu la Napoule | 79.9°F | 74.8°F |
| Frejus | 79.0°F | 74.3°F |
Best time for vacation in La Rochelle
La Rochelle on a weather map
Places in France:
Name
°F
24 Hours Forecast
La Rochelle
Local time: 22:29
September 17, thursday
0000

63°F
SE
13 mph
13 mph
0300

63°F
SE
10 mph
10 mph
0600

61°F
SE
11 mph
11 mph
0900

59°F
SE
9 mph
9 mph
1200

64°F
E
8 mph
8 mph
1500

66°F
E
14 mph
14 mph
1800

66°F
E
14 mph
14 mph
2100

64°F
E
11 mph
11 mph



























