Current sea water temperature:
+74.3°F
| Minimum sea water temperature in September: | 80.8°F |
| Maximum sea water temperature in September: | 65.3°F |
| Average sea water temperature in September: | 72.9°F |
| more information | |
14 days
forecast
forecast
| La Seyne sur Mer |
monthly
weather
weather
| La Seyne sur Mer |
Sea water temperature for the last 10 days:
| September 13 | 74.3°F | September 8 | 77.9°F |
| September 12 | 73.4°F | September 7 | 76.8°F |
| September 11 | 75.2°F | September 6 | 76.1°F |
| September 10 | 77.0°F | September 5 | 76.5°F |
| September 9 | 79.0°F | September 4 | 75.2°F |
Monthly sea water temperature, °F
When is the warmest sea in La Seyne sur Mer?
Based on the data about daily sea water temperature for the last three years the warmest sea in La Seyne sur Mer was noticed in August, July and September.
Monthly Sea Temperatures in La Seyne sur Mer, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 78.9°F. The highest and lowest sea temperatures during the month were 82.6°F and 73.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.6°F. The highest and lowest sea temperatures during the month were 81.9°F and 73.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 73.4°F and 66.7°F.
current
weather
weather
| La Seyne sur Mer |
weather in
September
September
| La Seyne sur Mer |
Best time for vacation in La Seyne sur Mer
La Seyne sur Mer on a weather map
Places in France:
Name
°F
24 Hours Forecast
La Seyne sur Mer
Local time: 18:41
September 13, sunday
2100
73°F
E
1 mph
1 mph
September 14, monday
0000
73°F
E
6 mph
6 mph
0300
73°F
NW
1 mph
1 mph
0600
73°F
SW
9 mph
9 mph
0900
73°F
SW
9 mph
9 mph
1200
75°F
W
9 mph
9 mph
1500
75°F
NW
6 mph
6 mph
1800
75°F
NW
3 mph
3 mph
