15.09
tue
tue
Day
72°F
NE 2 mph
Precip.
2%
2%
Night
66°F
N 1 mph
Precip.
6%
6%
16.09
wed
wed
Day
68°F
NE 6 mph
Precip.
3%
3%
Night
59°F
S 4 mph
Precip.
28%
28%
17.09
thu
thu
Day
61°F
SW 6 mph
Precip.
2%
2%
Night
55°F
E 1 mph
Precip.
16%
16%
18.09
fri
fri
Day
61°F
SW 2 mph
Precip.
10%
10%
Night
54°F
SW 2 mph
Precip.
10%
10%
19.09
sat
sat
Day
63°F
W 3 mph
Precip.
2%
2%
Night
57°F
SW 3 mph
Precip.
11%
11%
20.09
sun
sun
Day
63°F
S 6 mph
Precip.
3%
3%
Night
61°F
S 4 mph
Precip.
11%
11%
21.09
mon
mon
Day
64°F
S 6 mph
Precip.
14%
14%
Night
63°F
S 4 mph
Precip.
19%
19%
22.09
tue
tue
Day
64°F
S 6 mph
Precip.
3%
3%
Night
61°F
S 4 mph
Precip.
12%
12%
23.09
wed
wed
Day
63°F
S 5 mph
Precip.
5%
5%
Night
59°F
S 4 mph
Precip.
7%
7%
24.09
thu
thu
Day
64°F
S 4 mph
Precip.
3%
3%
Night
59°F
S 4 mph
Precip.
5%
5%
25.09
fri
fri
Day
66°F
S 4 mph
Precip.
2%
2%
Night
61°F
SW 4 mph
Precip.
8%
8%
26.09
sat
sat
Day
70°F
W 2 mph
Precip.
2%
2%
Night
64°F
N 1 mph
Precip.
15%
15%
27.09
sun
sun
Day
68°F
NE 3 mph
Precip.
2%
2%
Night
63°F
W 1 mph
Precip.
7%
7%
28.09
mon
mon
Day
70°F
NE 2 mph
Precip.
5%
5%
Night
66°F
N 1 mph
Precip.
3%
3%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.4°F and 64.0°F.
Air temperature in Annecy, °F
Precipitation total in Annecy, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Annecy
Annecy on a weather map
Places in France:
Name
°F
24 Hours Forecast
Annecy
Local time: 04:01
September 15, tuesday
0600
59°F
SW
2 mph
2 mph
0900
57°F
SW
2 mph
2 mph
1200
72°F
NE
2 mph
2 mph
1500
77°F
NE
5 mph
5 mph
1800
75°F
NE
3 mph
3 mph
2100
70°F
W
1 mph
1 mph
September 16, wednesday
0000
66°F
N
1 mph
1 mph
0300
64°F
NW
1 mph
1 mph
