Average sea water temperature in September:
+65.6°F
| Minimum sea water temperature in September: | 75.0°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 71.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.4°F.
Monthly sea water temperature in Zurich, °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 Zurich
Zurich on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Zurich
Local time: 16:50
September 17, thursday
1800
63°F
N
2 mph
2 mph
2100
59°F
N
2 mph
2 mph
September 18, friday
0000
57°F
N
4 mph
4 mph
0300
55°F
N
3 mph
3 mph
0600
54°F
N
2 mph
2 mph
0900
52°F
N
1 mph
1 mph
1200
63°F
SE
2 mph
2 mph
1500
66°F
E
2 mph
2 mph
