Measurements:
°C
°F
CURRENT WEATHER
06:04
Cassis
72°F
W 8 mph
Feels like: 72°F
Precip: 14%
World Resorts France Cassis Weather

7 Day Weather Forecast

09.29
tue
DAY
78°F
NW 14 mph
precip
13%
NIGHT
74°F
W 10 mph
precip
21%
09.30
wed
DAY
74°F
W 12 mph
precip
15%
NIGHT
70°F
W 5 mph
precip
57%
10.01
thu
DAY
72°F
SE 6 mph
precip
18%
NIGHT
72°F
SW 3 mph
precip
16%
10.02
fri
DAY
76°F
NE 4 mph
precip
12%
NIGHT
74°F
SE 7 mph
precip
19%
10.03
sat
DAY
68°F
NW 13 mph
precip
63%
NIGHT
66°F
W 11 mph
precip
19%
10.04
sun
DAY
72°F
NW 14 mph
precip
14%
NIGHT
68°F
SW 6 mph
precip
13%
10.05
mon
DAY
72°F
W 7 mph
precip
11%
NIGHT
62°F
S 8 mph
precip
66%

Cassis Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cassis was 23.5°F. The maximum and minimum values were 21.4°F and 25.4°F respectively.

Cassis on the Weather Map

Best Time to Visit Cassis
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
August 85.4 °F
July 85.4 °F
June 79.4 °F
Warmest sea temperature:
August 77.6 °F
July 75.7 °F
September 74.9 °F
The most cold months:
January 51.5 °F
February 52.7 °F
December 54.4 °F
The most rainy months:
November 4 days
October 3 days
December 3 days
The most windy months:
January 13 mph
March 13 mph
February 12 mph
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