Average sea water temperature in September:
+65.9°F
| Minimum sea water temperature in September: | 74.7°F |
| Maximum sea water temperature in September: | 32.0°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.1°F. The highest and lowest sea temperatures during the month were 71.4°F and 65.1°F.
sea water
temperature
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| Lausanne |
monthly
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| Lausanne |
current
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| Lausanne |
14 days
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| Lausanne |
Monthly sea water temperature in Lausanne, °F
Which Switzerland resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Montreux | 68.5°F | 68.9°F |
| Gstaad | 68.5°F | 68.9°F |
| Verbier | 68.5°F | 68.9°F |
| Vevey | 68.4°F | 68.9°F |
| Lausanne | 68.1°F | 68.7°F |
| Lake Geneva | 68.0°F | 68.4°F |
| Zurich | 67.6°F | 68.7°F |
| Winterthur | 67.6°F | 68.7°F |
| Geneva | 66.9°F | 67.2°F |
| St Gallen | 66.8°F | 67.8°F |
Best time for vacation in Lausanne
Lausanne on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Lausanne
Local time: 07:30
December 25, thursday
0900
30°F
S
9 mph
9 mph
1200
36°F
S
7 mph
7 mph
1500
37°F
S
7 mph
7 mph
1800
34°F
S
7 mph
7 mph
2100
32°F
S
7 mph
7 mph
December 26, friday
0000
32°F
S
6 mph
6 mph
0300
32°F
S
5 mph
5 mph
0600
32°F
S
4 mph
4 mph
