Current sea water temperature:
+70.3°F
| Minimum sea water temperature in September: | 75.2°F |
| Maximum sea water temperature in September: | 32.0°F |
| Average sea water temperature in September: | 64.6°F |
| more information | |
14 days
forecast
forecast
| Annecy |
monthly
weather
weather
| Annecy |
Sea water temperature for the last 10 days:
| September 14 | 70.3°F | September 9 | 75.2°F |
| September 13 | 69.6°F | September 8 | 73.9°F |
| September 12 | 70.2°F | September 7 | 74.3°F |
| September 11 | 71.8°F | September 6 | 73.0°F |
| September 10 | 73.2°F | September 5 | 72.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Annecy?
Based on the data about daily sea water temperature for the last three years the warmest sea in Annecy was noticed in August, July and September.
Monthly Sea Temperatures in Annecy, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 75.2°F. The highest and lowest sea temperatures during the month were 78.6°F and 70.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 77.7°F and 73.2°F.
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.
current
weather
weather
| Annecy |
weather in
September
September
| Annecy |
Best time for vacation in Annecy
Annecy on a weather map
Places in France:
Name
°F
24 Hours Forecast
Annecy
Local time: 03:48
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
