World Resorts

Switzerland

St Gallen Weather

St Gallen 14 Days Forecast

17.09
thu

Day

55°F

SE 5 mph

Precip.
13%

Night

63°F

N 4 mph

Precip.
16%

18.09
fri

Day

57°F

SE 2 mph

Precip.
13%

Night

61°F

NE 2 mph

Precip.
9%

19.09
sat

Day

55°F

S 4 mph

Precip.
11%

Night

63°F

N 4 mph

Precip.
13%

20.09
sun

Day

59°F

SE 2 mph

Precip.
10%

Night

66°F

N 4 mph

Precip.
19%

21.09
mon

Day

52°F

SW 6 mph

Precip.
55%

Night

59°F

SW 2 mph

Precip.
10%

22.09
tue

Day

57°F

SW 7 mph

Precip.
4%

Night

59°F

NW 2 mph

Precip.
10%

23.09
wed

Day

52°F

SE 2 mph

Precip.
8%

Night

59°F

NE 2 mph

Precip.
14%

24.09
thu

Day

52°F

SE 4 mph

Precip.
6%

Night

61°F

N 2 mph

Precip.
22%

25.09
fri

Day

52°F

NW 4 mph

Precip.
15%

Night

57°F

SW 2 mph

Precip.
23%

26.09
sat

Day

50°F

SW 8 mph

Precip.
9%

Night

46°F

W 8 mph

Precip.
7%

27.09
sun

Day

46°F

SW 12 mph

Precip.
2%

Night

43°F

W 7 mph

Precip.
10%

28.09
mon

Day

43°F

SW 5 mph

Precip.
5%

Night

46°F

NW 5 mph

Precip.
9%

29.09
tue

Day

46°F

SW 6 mph

Precip.
3%

Night

50°F

W 6 mph

Precip.
9%

30.09
wed

Day

46°F

SW 9 mph

Precip.
4%

Night

46°F

SW 17 mph

Precip.
7%

sea water
temperature

St Gallen

monthly
weather

St Gallen

current
weather

St Gallen

7 days
forecast

St Gallen

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in September of 2026 was 71.3°F. The highest and lowest sea temperatures during the month were 73.4°F and 68.4°F.

Show year:

2025

2024

2023

The average sea water temperature in October of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 63.1°F and 53.1°F.