07.09
mon
mon
Day
79°F
NE 4 mph
Precip.
5%
5%
Night
79°F
E 9 mph
Precip.
6%
6%
08.09
tue
tue
Day
79°F
NW 6 mph
Precip.
6%
6%
Night
77°F
E 6 mph
Precip.
24%
24%
09.09
wed
wed
Day
81°F
S 8 mph
Precip.
15%
15%
Night
75°F
SE 12 mph
Precip.
4%
4%
10.09
thu
thu
Day
75°F
E 1 mph
Precip.
4%
4%
Night
77°F
NW 4 mph
Precip.
11%
11%
11.09
fri
fri
Day
73°F
NE 6 mph
Precip.
5%
5%
Night
77°F
E 14 mph
Precip.
3%
3%
12.09
sat
sat
Day
75°F
E 5 mph
Precip.
2%
2%
Night
77°F
E 3 mph
Precip.
3%
3%
13.09
sun
sun
Day
75°F
N 4 mph
Precip.
2%
2%
Night
75°F
SE 14 mph
Precip.
7%
7%
14.09
mon
mon
Day
77°F
W 6 mph
Precip.
4%
4%
Night
75°F
NE 2 mph
Precip.
9%
9%
15.09
tue
tue
Day
77°F
E 11 mph
Precip.
6%
6%
Night
77°F
N 11 mph
Precip.
8%
8%
16.09
wed
wed
Day
77°F
E 12 mph
Precip.
8%
8%
Night
77°F
SW 10 mph
Precip.
18%
18%
17.09
thu
thu
Day
75°F
NW 3 mph
Precip.
8%
8%
Night
75°F
SE 2 mph
Precip.
13%
13%
18.09
fri
fri
Day
77°F
W 12 mph
Precip.
20%
20%
Night
75°F
W 7 mph
Precip.
11%
11%
19.09
sat
sat
Day
75°F
W 11 mph
Precip.
13%
13%
Night
75°F
W 10 mph
Precip.
11%
11%
sea water
temperature
temperature
| La Seyne sur Mer |
monthly
weather
weather
| La Seyne sur Mer |
current
weather
weather
| La Seyne sur Mer |
7 days
forecast
forecast
| La Seyne sur Mer |
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.
Air temperature in La Seyne sur Mer, °F
Precipitation total in La Seyne sur Mer, in.
* Charts above show average data for the last 3 years.
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: 00:06
September 07, monday
0300
79°F
SW
1 mph
1 mph
0600
79°F
SE
2 mph
2 mph
0900
79°F
E
1 mph
1 mph
1200
79°F
NE
4 mph
4 mph
1500
79°F
NE
6 mph
6 mph
1800
81°F
NE
9 mph
9 mph
2100
79°F
E
9 mph
9 mph
September 08, tuesday
0000
79°F
E
9 mph
9 mph
