Measurements:
°C
°F
CURRENT WEATHER
22:55
Winterthur
66°F
NE 3 mph
Feels like: 66°F
Precip: 65%
World Resorts Switzerland Winterthur Weather

14 Day Weather Forecast

09.08
tue
DAY
80°F
NE 7 mph
precip
4%
NIGHT
66°F
NE 3 mph
precip
65%
09.09
wed
DAY
52°F
NE 1 mph
precip
44%
NIGHT
54°F
SW 2 mph
precip
39%
09.10
thu
DAY
50°F
SW 6 mph
precip
28%
NIGHT
54°F
NW 2 mph
precip
20%
09.11
fri
DAY
66°F
S 2 mph
precip
13%
NIGHT
56°F
SW 2 mph
precip
14%
09.12
sat
DAY
54°F
SW 2 mph
precip
31%
NIGHT
58°F
NW 2 mph
precip
7%
09.13
sun
DAY
68°F
E 3 mph
precip
4%
NIGHT
64°F
E 3 mph
precip
30%
09.14
mon
DAY
66°F
SW 4 mph
precip
4%
NIGHT
60°F
W 3 mph
precip
15%
09.15
tue
DAY
66°F
SW 4 mph
precip
4%
NIGHT
60°F
N 2 mph
precip
12%
09.16
wed
DAY
72°F
NE 6 mph
precip
1%
NIGHT
60°F
SW 4 mph
precip
67%
09.17
thu
DAY
50°F
SW 6 mph
precip
28%
NIGHT
56°F
SW 4 mph
precip
11%
09.18
fri
DAY
58°F
SW 11 mph
precip
7%
NIGHT
54°F
SW 7 mph
precip
5%
09.19
sat
DAY
58°F
SW 6 mph
precip
2%
NIGHT
48°F
SW 2 mph
precip
8%
09.20
sun
DAY
58°F
SW 4 mph
precip
2%
NIGHT
54°F
SW 2 mph
precip
18%
09.21
mon
DAY
62°F
SW 4 mph
precip
3%
NIGHT
62°F
W 3 mph
precip
8%

Winterthur Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Winterthur was 69.5°F. The maximum and minimum values were 65.0°F and 73.4°F respectively.

Winterthur on the Weather Map

Best Time to Visit Winterthur
The most sunny months:
August 15 days
July 13 days
April 12 days
The most warm months:
July 79.2 °F
August 79.0 °F
June 76.8 °F
Warmest sea temperature:
August 72.6 °F
July 71.9 °F
September 67.1 °F
The most cold months:
January 36.5 °F
December 38.4 °F
February 41.1 °F
The most rainy months:
May 7 days
June 6 days
July 6 days
The most windy months:
March 5 mph
May 5 mph
April 5 mph
more details
Switzerland Resorts:
NAME
F°
Berne +66
Geneva +68
Gstaad +54
Lake Geneva +62
Lausanne +72
Lucerne +64
Lugano +66
Montreux +58
Spitz +64
St Gallen +74
Verbier +48
Vevey +58
Winterthur +66
Zermatt +42
Zurich +66
all resorts
24 Hours Weather Forecast
Winterthur
Local time: 22:55
09 sep, wednesday
0000 66°F
NE
3 mph
0300 66°F
N
4 mph
0600 64°F
SE
3 mph
0900 54°F
NE
6 mph
1200 52°F
NE
1 mph
1500 54°F
NE
8 mph
1800 56°F
NE
7 mph
2100 56°F
NW
4 mph