Current sea water temperature:
+72.7°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: | 65.4°F |
| more information | |
14 days
forecast
forecast
| Winterthur |
monthly
weather
weather
| Winterthur |
Sea water temperature for the last 10 days:
| September 2 | 72.7°F | August 28 | 73.2°F |
| September 1 | 74.1°F | August 27 | 73.9°F |
| August 31 | 73.4°F | August 26 | 72.5°F |
| August 30 | 72.9°F | August 25 | 73.4°F |
| August 29 | 73.0°F | August 24 | 73.9°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:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 71.1°F and 63.5°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: 21:07
September 03, thursday
0000
61°F
N
2 mph
2 mph
0300
57°F
N
1 mph
1 mph
0600
55°F
N
2 mph
2 mph
0900
57°F
NE
1 mph
1 mph
1200
70°F
E
4 mph
4 mph
1500
75°F
E
6 mph
6 mph
1800
73°F
E
4 mph
4 mph
2100
68°F
N
3 mph
3 mph
