Average sea water temperature in September:
+65.0°F
| Minimum sea water temperature in September: | 69.8°F |
| Maximum sea water temperature in September: | 61.7°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.3°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.0°F.
Monthly sea water temperature in Etretat, °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 |
| Juan les Pins | 75.0°F | 75.4°F |
| Antibes | 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 Etretat
Etretat on a weather map
Places in France:
Name
°F
24 Hours Forecast
Etretat
Local time: 11:08
December 24, wednesday
1200

37°F
SW
22 mph
22 mph
1500

39°F
SW
22 mph
22 mph
1800

37°F
SW
24 mph
24 mph
2100

36°F
SW
24 mph
24 mph
December 25, thursday
0000

34°F
SW
24 mph
24 mph
0300

32°F
SW
24 mph
24 mph
0600

32°F
W
21 mph
21 mph
0900

32°F
W
19 mph
19 mph




























