Measurements:
°C
°F
CURRENT WEATHER
05:16
La Rochelle
70°F
NW 17 mph
Feels like: 70°F
Precip: 29%
World Resorts France La Rochelle Weather

7 Day Weather Forecast

09.29
tue
DAY
72°F
NW 17 mph
precip
22%
NIGHT
76°F
NW 24 mph
precip
16%
09.30
wed
DAY
70°F
E 12 mph
precip
48%
NIGHT
66°F
E 11 mph
precip
23%
10.01
thu
DAY
68°F
SE 6 mph
precip
17%
NIGHT
66°F
SW 12 mph
precip
13%
10.02
fri
DAY
70°F
SW 11 mph
precip
14%
NIGHT
70°F
SW 9 mph
precip
22%
10.03
sat
DAY
72°F
SW 13 mph
precip
6%
NIGHT
68°F
SW 8 mph
precip
3%
10.04
sun
DAY
66°F
SE 7 mph
precip
4%
NIGHT
64°F
SE 11 mph
precip
33%
10.05
mon
DAY
62°F
SW 11 mph
precip
25%
NIGHT
62°F
SW 11 mph
precip
20%

La Rochelle Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for La Rochelle was 21.2°F. The maximum and minimum values were 19.4°F and 22.5°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 72.8 °F
Warmest sea temperature:
August 71.8 °F
July 71.0 °F
September 69.2 °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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