22.09
tue
tue
Day

81°F
N 6 mph
Precip.
1%
1%
Night

66°F
W 5 mph
Precip.
5%
5%
23.09
wed
wed
Day

77°F
W 8 mph
Precip.
1%
1%
Night

64°F
SE 1 mph
Precip.
10%
10%
24.09
thu
thu
Day

73°F
NE 6 mph
Precip.
6%
6%
Night

64°F
E 2 mph
Precip.
9%
9%
25.09
fri
fri
Day

75°F
W 10 mph
Precip.
7%
7%
Night

63°F
SW 6 mph
Precip.
9%
9%
26.09
sat
sat
Day

73°F
E 6 mph
Precip.
10%
10%
Night

63°F
SE 2 mph
Precip.
13%
13%
27.09
sun
sun
Day

73°F
N 5 mph
Precip.
6%
6%
Night

64°F
W 3 mph
Precip.
22%
22%
28.09
mon
mon
Day

72°F
NW 10 mph
Precip.
10%
10%
Night

63°F
W 7 mph
Precip.
19%
19%
sea water
temperature
temperature
| Saint Syr Sur Mer |
monthly
weather
weather
| Saint Syr Sur Mer |
current
weather
weather
| Saint Syr Sur Mer |
14 days
forecast
forecast
| Saint Syr Sur Mer |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 78.4°F and 70.9°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.5°F and 61.7°F.
Air temperature in Saint Syr Sur Mer, °F
Precipitation total in Saint Syr Sur Mer, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Saint Syr Sur Mer
Saint Syr Sur Mer on a weather map
Places in France:
Name
°F
24 Hours Forecast
Saint Syr Sur Mer
Local time: 18:07
September 22, tuesday
2100

68°F
NW
2 mph
2 mph
September 23, wednesday
0000

66°F
W
5 mph
5 mph
0300

66°F
W
5 mph
5 mph
0600

64°F
SW
7 mph
7 mph
0900

68°F
W
8 mph
8 mph
1200

77°F
W
8 mph
8 mph
1500

81°F
NW
7 mph
7 mph
1800

75°F
N
4 mph
4 mph

























