Saint Moritz in september: average Weather, Temperature and Climate
Weather in Saint Moritz in september 2025
The weather in Saint Moritz in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 293.6cm
Weather at 6am
36°F
Fog
29% of time
22%
19%
8%
Weather at 12pm
54°F
Clear/Sunny
36% of time
20%
18%
12%
Weather at 6pm
38°F
Fog
24% of time
23%
13%
10%
Weather at 3am
34°F
37%
16%
13%
13%
Evolution of daily average temperature and precipitation in Saint Moritz in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Saint Moritz in september.
The climate of Saint Moritz in september is very bad
the weather in Saint Moritz in september is wet (with 6.9in of rainfall over 8 days). This is better than the previous month since in august it receives an average of 10.7in of precipitation over 14 days.
The climate is quite cool in that area the month of september, but it is endurable when dressing warm. The thermometer averaged maximum of 56°F. The seasonal minimum is 36°F. Thus, the mean temperature average on this month of september in Saint Moritz is 45°F. Note that these seasonal averages are in contrast with those observed in Saint Moritz in september with a maximum record of 68°F in 2011 and a minimum record of 9°F in 2015.
In september in Saint Moritz, the days on average last 12:33. Sunrise is at 05:59 and sunset is at 18:32.
With an unfavorable weather, september is not the best time to go there in Switzerland.
September: another location in Switzerland?
If you want to go to Switzerland in september, there are destinations with better weather than Saint Moritz:
In september, Zurich, Basel, Geneva, Lausanne, Lucerne and Lugano have good weather.
Finally, Bern, Fribourg, Interlaken, Montreux, Morgins and Schwyz have a tolerable climate, but better than Saint Moritz.
Seasonal average climate and temperature of Saint Moritz in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 45°F | ||||
| Highest temperature | 56°F | ||||
| Lowest temperature | 36°F | ||||
| Highest record temperature | 68°F (2011) | ||||
| Lowest record temperature | 9°F (2015) | ||||
| Number of days at +65°F | 2 day(s) (7%) | ||||
| Number of days at -32°F | 11 day(s) (37%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 32°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.9in | ||||
| Number of days with rainfall | 8 day(s) (28%) | ||||
| Record daily rainfall | 2.8in (2017) | ||||
| Snowfall | 293.6cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 6.94km | ||||
| Cloud cover | 55% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:59 | ||||
| Time of sunset | 18:32 | ||||
| Length of day | 12:33 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Saint Moritz in september 2024:
43°F to 61°F
47°F to 58°F
40°F to 58°F
40°F to 58°F
40°F to 50°F
36°F to 58°F
38°F to 61°F
41°F to 56°F
34°F to 50°F
32°F to 54°F
32°F to 52°F
27°F to 41°F
22°F to 31°F
18°F to 32°F
22°F to 41°F
22°F to 40°F
29°F to 41°F
27°F to 50°F
31°F to 43°F
31°F to 49°F
34°F to 50°F
32°F to 52°F
34°F to 45°F
31°F to 41°F
29°F to 45°F
32°F to 45°F
38°F to 47°F
25°F to 40°F
22°F to 40°F
31°F to 49°F
Map: other cities in Switzerland in september
Cities near Saint Moritz:
| Sils-Maria in september | very bad weather |
| Parc National Suisse in september | very bad weather |
| Davos in september | very bad weather |
| Naturpark Beverin in september | very bad weather |
| Klosters Serneus in september | very bad weather |
| Chur in september | tolerable weather |
| Scuol in september | very bad weather |
| Mesocco in september | good weather |
| Flims in september | very bad weather |
| Biasca in september | good weather |
| Bellinzona in september | good weather |
| Campra (Blenio) in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Saint Moritz
perfect weather
good
tolerable
bad
very bad
Weather data for Saint Moritz in september:
Weather data for Saint Moritz for september are derived from an average of the weather forecast since 2009 in Saint Moritz. There is a margin of error and these forecasts are to be considered as general information only. The weather in Saint Moritz can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Saint Moritz.