Current sea water temperature:
+69.3°F
| Minimum sea water temperature in September: | 75.0°F |
| Maximum sea water temperature in September: | 32.0°F |
| Average sea water temperature in September: | 65.7°F |
| more information | |
14 days
forecast
forecast
| Winterthur |
monthly
weather
weather
| Winterthur |
Sea water temperature for the last 10 days:
| September 23 | 69.3°F | September 18 | 69.4°F |
| September 22 | 71.1°F | September 17 | 69.6°F |
| September 21 | 69.1°F | September 16 | 70.0°F |
| September 20 | 69.4°F | September 15 | 71.1°F |
| September 19 | 69.1°F | September 14 | 69.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Winterthur?
Based on the data about daily sea water temperature for the last three years the warmest sea in Winterthur was noticed in August, July and September.
Monthly Sea Temperatures in Winterthur, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 79.2°F and 72.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.0°F. The highest and lowest sea temperatures during the month were 79.7°F and 73.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 71.1°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.1°F.
current
weather
weather
| Winterthur |
weather in
September
September
| Winterthur |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 09:25
September 23, wednesday
1200
57°F
S
3 mph
3 mph
1500
64°F
SE
2 mph
2 mph
1800
66°F
N
0 mph
0 mph
2100
57°F
N
5 mph
5 mph
September 24, thursday
0000
54°F
N
3 mph
3 mph
0300
52°F
N
4 mph
4 mph
0600
50°F
N
2 mph
2 mph
0900
52°F
E
1 mph
1 mph
