Average sea water temperature in September:
+70.4°F
| Minimum sea water temperature in September: | 75.6°F |
| Maximum sea water temperature in September: | 66.7°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 72.9°F and 68.0°F.
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| Biarritz |
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Monthly sea water temperature in Biarritz, °F
Which France resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Portivecju | 82.0°F | 76.3°F |
| Bastia | 81.7°F | 76.0°F |
| Aiacciu | 81.3°F | 75.9°F |
| Bunifaziu | 81.2°F | 75.7°F |
| Corsica | 80.9°F | 75.6°F |
| Calvi | 80.8°F | 75.8°F |
| Saint Jean Cap Ferrat | 80.7°F | 75.5°F |
| Roquebrune Cap Martin | 80.6°F | 75.5°F |
| Propriano | 80.6°F | 75.3°F |
| Menton | 80.5°F | 75.4°F |
| Nice | 80.4°F | 75.3°F |
| Antibes | 80.3°F | 75.0°F |
| Juan les Pins | 80.3°F | 75.0°F |
| Saint Laurent du Var | 80.2°F | 75.1°F |
| Golfe Juan | 80.2°F | 74.9°F |
| Cagnes sur Mer | 80.2°F | 75.0°F |
| Cannes | 80.2°F | 74.9°F |
| Mandelieu la Napoule | 80.1°F | 74.8°F |
| Theoule Sur Mer | 80.1°F | 74.8°F |
| Frejus | 79.2°F | 74.3°F |
Best time for vacation in Biarritz
Biarritz on a weather map
Places in France:
Name
°F
24 Hours Forecast
Biarritz
Local time: 04:02
September 15, tuesday
0600
66°F
NE
2 mph
2 mph
0900
68°F
NE
7 mph
7 mph
1200
73°F
E
14 mph
14 mph
1500
73°F
E
16 mph
16 mph
1800
72°F
E
14 mph
14 mph
2100
68°F
E
12 mph
12 mph
September 16, wednesday
0000
66°F
SE
9 mph
9 mph
0300
66°F
S
8 mph
8 mph
