Measurements:
°C
°F
CURRENT WEATHER
03:12
La Rochelle
60°F
S 13 mph
Feels like: 60°F
Precip: 6%
World Resorts France La Rochelle Weather

7 Day Weather Forecast

09.09
wed
DAY
66°F
SE 7 mph
precip
2%
NIGHT
64°F
S 9 mph
precip
6%
09.10
thu
DAY
66°F
W 3 mph
precip
13%
NIGHT
64°F
SE 11 mph
precip
10%
09.11
fri
DAY
68°F
NE 6 mph
precip
13%
NIGHT
66°F
S 14 mph
precip
10%
09.12
sat
DAY
70°F
SE 3 mph
precip
2%
NIGHT
68°F
S 11 mph
precip
7%
09.13
sun
DAY
72°F
SE 3 mph
precip
3%
NIGHT
70°F
NE 11 mph
precip
7%
09.14
mon
DAY
76°F
NW 6 mph
precip
6%
NIGHT
74°F
SW 11 mph
precip
5%
09.15
tue
DAY
78°F
W 9 mph
precip
2%
NIGHT
76°F
SW 9 mph
precip
2%

La Rochelle Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for La Rochelle was 19.6°F. The maximum and minimum values were 18.3°F and 20.7°F respectively.

La Rochelle on the Weather Map

Best Time to Visit La Rochelle
The most sunny months:
August 18 days
July 18 days
September 16 days
The most warm months:
August 77.0 °F
July 76.4 °F
September 72.9 °F
Warmest sea temperature:
August 71.8 °F
July 71.0 °F
September 69.0 °F
The most cold months:
January 48.9 °F
February 49.4 °F
December 52.4 °F
The most rainy months:
November 6 days
December 6 days
February 5 days
The most windy months:
December 14 mph
November 14 mph
January 14 mph
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