Average sea water temperature in September:
+72.3°F
| Minimum sea water temperature in September: | 80.2°F |
| Maximum sea water temperature in September: | 64.4°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 74.5°F and 66.6°F.
Monthly sea water temperature in Cassis, °F
Which France resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Portivecju | 76.3°F | 76.6°F |
| Bastia | 76.0°F | 77.1°F |
| Aiacciu | 75.9°F | 74.6°F |
| Calvi | 75.8°F | 74.7°F |
| Bunifaziu | 75.7°F | 75.3°F |
| Corsica | 75.6°F | 74.5°F |
| Roquebrune Cap Martin | 75.5°F | 75.8°F |
| Saint Jean Cap Ferrat | 75.5°F | 75.7°F |
| Menton | 75.4°F | 75.8°F |
| Propriano | 75.3°F | 74.6°F |
| Nice | 75.3°F | 75.4°F |
| Saint Laurent du Var | 75.1°F | 75.2°F |
| Cagnes sur Mer | 75.0°F | 75.2°F |
| Antibes | 75.0°F | 75.4°F |
| Juan les Pins | 75.0°F | 75.4°F |
| Golfe Juan | 74.9°F | 75.4°F |
| Cannes | 74.9°F | 75.5°F |
| Theoule Sur Mer | 74.8°F | 75.7°F |
| Mandelieu la Napoule | 74.8°F | 75.7°F |
| Frejus | 74.3°F | 75.4°F |
Best time for vacation in Cassis
Cassis on a weather map
Places in France:
Name
°F
24 Hours Forecast
Cassis
Local time: 23:54
December 22, monday
0000
54°F
W
30 mph
30 mph
0300
54°F
W
25 mph
25 mph
0600
54°F
W
24 mph
24 mph
0900
54°F
W
25 mph
25 mph
1200
54°F
W
28 mph
28 mph
1500
52°F
W
23 mph
23 mph
1800
54°F
W
24 mph
24 mph
2100
52°F
N
11 mph
11 mph
