Average sea water temperature in September:
+66.3°F
| Minimum sea water temperature in September: | 77.2°F |
| Maximum sea water temperature in September: | 32.0°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.1°F. The highest and lowest sea temperatures during the month were 77.2°F and 70.0°F.
Monthly sea water temperature in Gstaad, °F
Which Switzerland resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Vevey | 73.2°F | 68.4°F |
| Gstaad | 73.1°F | 68.5°F |
| Verbier | 73.1°F | 68.5°F |
| Montreux | 73.1°F | 68.5°F |
| Lausanne | 72.7°F | 68.1°F |
| Lake Geneva | 72.5°F | 68.0°F |
| Geneva | 71.7°F | 66.9°F |
| Winterthur | 71.7°F | 67.6°F |
| Zurich | 71.6°F | 67.6°F |
| St Gallen | 71.3°F | 66.8°F |
Best time for vacation in Gstaad
Gstaad on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Gstaad
Local time: 15:59
September 17, thursday
1800
55°F
S
4 mph
4 mph
2100
45°F
W
2 mph
2 mph
September 18, friday
0000
43°F
NW
1 mph
1 mph
0300
43°F
NW
2 mph
2 mph
0600
41°F
NW
2 mph
2 mph
0900
46°F
SE
1 mph
1 mph
1200
55°F
SE
4 mph
4 mph
1500
59°F
SE
5 mph
5 mph
