World Resorts Switzerland St Moritz Weather

St Moritz weather in September

Weather in St Moritz: September

Average day temperature: 52.0°F
Average night temperature: 33.5°F
Number of sunny days: 9 days
Day length: 11.7 - 13.3 hours
Number of rainy days: 6 days
Precipitation totals: 4.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 60°F. At the same time the lowest night temperature was 18°F. Day and night temperature averages during September were 47.9°F and 32.3°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in September, in.

Precipitation total value in St Moritz in September is 4.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.2 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: 6.6.

Best time for vacation in St Moritz

Sunniest months:
December 10 days
August 9 days
September 9 days
Warmest months:
July 60.0 °F
August 59.8 °F
June 55.8 °F
Coldest months:
January 21.7 °F
December 23.4 °F
February 25.6 °F
Rainiest months:
July 13 days
June 12 days
August 11 days
Windiest months:
January 6.1 mph
February 6.0 mph
December 5.9 mph

St Moritz on a weather map

St Moritz
+23°F
S 2 mph
Feels like: +23°F
Precip.: 0%
Places in Switzerland:
Name
°F
+43°F
+36°F
+46°F
+25°F
+37°F
+28°F
+39°F
+46°F
+46°F
+34°F
+41°F
+36°F
+39°F
+25°F
+39°F
24 Hours Forecast
St Moritz
Local time: 08:57
December 18, wednesday
0900
23°F
S
2 mph
1200
36°F
S
4 mph
1500
27°F
S
6 mph
1800
18°F
SW
3 mph
2100
18°F
W
2 mph
December 19, thursday
0000
19°F
N
6 mph
0300
18°F
N
7 mph
0600
18°F
N
8 mph
Units of measurement: °C / °F