16.09
wed
wed
Day
63°F
SE 6 mph
Precip.
5%
5%
Night
63°F
SE 13 mph
Precip.
21%
21%
17.09
thu
thu
Day
64°F
E 8 mph
Precip.
18%
18%
Night
64°F
E 13 mph
Precip.
53%
53%
18.09
fri
fri
Day
61°F
S 6 mph
Precip.
8%
8%
Night
61°F
S 11 mph
Precip.
20%
20%
19.09
sat
sat
Day
63°F
N 3 mph
Precip.
6%
6%
Night
63°F
S 9 mph
Precip.
8%
8%
20.09
sun
sun
Day
68°F
S 4 mph
Precip.
14%
14%
Night
68°F
S 11 mph
Precip.
6%
6%
21.09
mon
mon
Day
72°F
SW 11 mph
Precip.
5%
5%
Night
68°F
SW 12 mph
Precip.
2%
2%
22.09
tue
tue
Day
70°F
SW 16 mph
Precip.
2%
2%
Night
70°F
SW 15 mph
Precip.
4%
4%
sea water
temperature
temperature
| La Rochelle |
monthly
weather
weather
| La Rochelle |
current
weather
weather
| La Rochelle |
14 days
forecast
forecast
| La Rochelle |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 72.5°F and 70.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 61.9°F. The highest and lowest sea temperatures during the month were 64.8°F and 58.8°F.
Air temperature in La Rochelle, °F
Precipitation total in La Rochelle, in.
* Charts above show average data for the last 3 years.
Best time for vacation in La Rochelle
La Rochelle on a weather map
Places in France:
Name
°F
24 Hours Forecast
La Rochelle
Local time: 23:13
September 17, thursday
0000
63°F
SE
13 mph
13 mph
0300
63°F
SE
10 mph
10 mph
0600
61°F
SE
11 mph
11 mph
0900
59°F
SE
9 mph
9 mph
1200
64°F
E
8 mph
8 mph
1500
66°F
E
14 mph
14 mph
1800
66°F
E
14 mph
14 mph
2100
64°F
E
11 mph
11 mph
