Saint Moritz Weather in September
What's the weather like in Saint Moritz (Grisons) in September 2024?
The climate in Saint Moritz during September can be summarized as cool and wet.
September is in the fall / autumn in Saint Moritz and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night 1°C (34°F) is normal.
| Daytime temperature | 6.1°C 42.9°F |
|---|---|
| Nightly temperature | 1.2°C 34.1°F |
| Average temperature | 3.6°C 38.5°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 16 days |
| Sea temperature | 21.7°C 71°F |
| Humidity | 75% |
| Windspeed | 16.2kph 10 mph |
On average September is the 5th wettest month of the year in Saint Moritz with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
September temperatures in Saint Moritz
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint Moritz in September 2024.
Other monthly averages
Best places to visit in September
Saint Moritz weather stats
| Hottest month: | July | 8.3°C 46.9°F |
|---|---|---|
| Driest month: | February | 96mm 3.8ins |
| Sunniest month: | October | 6.4hrs |
| Coldest month: | February | -5.9°C 21.4°F |
| Wettest month: | August | 162mm 6.4ins |
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