World Resorts Switzerland St Gallen Weather

St Gallen weather in September

Weather in St Gallen: September

Average day temperature: 65.7°F
Average night temperature: 50.9°F
Sea water temperature: 64.9°F
Number of sunny days: 14 days
Day length: 11.7 - 13.4 hours
Number of rainy days: 6 days
Precipitation totals: 3.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 76°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during September were 60.6°F and 50.3°F.

Sea water temperature in St Gallen in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 67.8°F. The highest and lowest sea temperatures during the month were 73.9°F and 62.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in St Gallen in September is 3.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.0 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.4.

Best time for vacation in St Gallen

Sunniest months:
August 16 days
October 16 days
September 14 days
Warmest months:
August 73.5 °F
July 73.2 °F
June 70.6 °F
Warmest sea temp:
August 69.6 °F
July 68.8 °F
September 64.9 °F
Coldest months:
January 37.3 °F
December 40.0 °F
February 40.9 °F
Rainiest months:
May 10 days
July 10 days
June 10 days
Windiest months:
January 5.0 mph
February 4.9 mph
March 4.9 mph

St Gallen on a weather map

St Gallen
+34°F
N 2 mph
Feels like: +32°F
Precip.: 0%
Places in Switzerland:
Name
°F
+37°F
+32°F
+41°F
+21°F
+37°F
+25°F
+37°F
+43°F
+41°F
+32°F
+36°F
+32°F
+34°F
+16°F
+37°F
24 Hours Forecast
St Gallen
Local time: 19:06
November 14, thursday
2100
34°F
N
3 mph
November 15, friday
0000
32°F
N
4 mph
0300
32°F
NW
3 mph
0600
32°F
NW
2 mph
0900
36°F
W
2 mph
1200
43°F
SW
3 mph
1500
43°F
S
1 mph
1800
36°F
N
2 mph
Units of measurement: °C / °F