Measurements:
°C
°F
CURRENT WEATHER
00:12
St Gallen
74°F
NE 6 mph
Feels like: 80°F
Precip: 8%
World Resorts Switzerland St Gallen Weather

14 Day Weather Forecast

09.09
wed
DAY
54°F
E 14 mph
precip
80%
NIGHT
56°F
N 1 mph
precip
24%
09.10
thu
DAY
50°F
S 2 mph
precip
28%
NIGHT
56°F
E 4 mph
precip
14%
09.11
fri
DAY
56°F
S 2 mph
precip
16%
NIGHT
64°F
N 1 mph
precip
10%
09.12
sat
DAY
52°F
S 3 mph
precip
19%
NIGHT
66°F
N 5 mph
precip
5%
09.13
sun
DAY
60°F
SE 4 mph
precip
14%
NIGHT
62°F
N 5 mph
precip
31%
09.14
mon
DAY
58°F
NW 2 mph
precip
17%
NIGHT
64°F
N 2 mph
precip
11%
09.15
tue
DAY
56°F
NW 2 mph
precip
20%
NIGHT
64°F
N 2 mph
precip
7%
09.16
wed
DAY
58°F
NW 2 mph
precip
4%
NIGHT
68°F
N 4 mph
precip
6%
09.17
thu
DAY
66°F
S 2 mph
precip
4%
NIGHT
72°F
NE 4 mph
precip
4%
09.18
fri
DAY
64°F
SE 6 mph
precip
3%
NIGHT
58°F
W 4 mph
precip
8%
09.19
sat
DAY
52°F
SE 2 mph
precip
5%
NIGHT
58°F
NE 2 mph
precip
7%
09.20
sun
DAY
50°F
NE 2 mph
precip
6%
NIGHT
62°F
E 2 mph
precip
8%
09.21
mon
DAY
56°F
SE 2 mph
precip
6%
NIGHT
68°F
W 4 mph
precip
6%

St Gallen Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for St Gallen was 68.6°F. The maximum and minimum values were 64.8°F and 72.8°F respectively.

St Gallen on the Weather Map

Best Time to Visit St Gallen
The most sunny months:
August 15 days
October 15 days
September 14 days
The most warm months:
August 75.8 °F
July 75.5 °F
June 73.1 °F
Warmest sea temperature:
August 72.3 °F
July 71.5 °F
September 66.7 °F
The most cold months:
January 35.8 °F
December 38.8 °F
February 40.0 °F
The most rainy months:
July 10 days
May 9 days
June 9 days
The most windy months:
January 4 mph
February 4 mph
March 4 mph
more details
Switzerland Resorts:
NAME
F°
Berne +66
Geneva +68
Gstaad +54
Lake Geneva +64
Lausanne +72
Lucerne +64
Lugano +64
Montreux +58
Spitz +64
St Gallen +74
Verbier +48
Vevey +58
Winterthur +66
Zermatt +42
Zurich +66
all resorts
24 Hours Weather Forecast
St Gallen
Local time: 00:12
09 sep, wednesday
0300 74°F
NE
7 mph
0600 66°F
N
4 mph
0900 56°F
SE
2 mph
1200 54°F
E
14 mph
1500 50°F
S
1 mph
1800 50°F
NE
6 mph
2100 52°F
NE
2 mph
10 sep, thursday
0000 56°F
N
1 mph