Saint Moritz weather in September (Switzerland)

People don't tend to visit Saint Moritz in September since it is known as a chilly month. The average maximum daytime temperature in Saint Moritz in September lies at 7.9°C (46.22°F). The average minimum temperature goes down to around 2.6°C (36.68°F) (often the minimum temperature is noted at night).

Rainfall during September is high with an average of 153mm (6.0 inchec). There are generally around 16 rainy days. The sun will show itself now and again, with 156 hours of sunshine during the entire month.


Saint Moritz, monthly averages in September

Show in Celsius
Min Temperature 36 °F  
Max Temperature 46 °F  
Chance of Rain 54%  
Precipitation 6 in  
Rainy days 16 days  
Humidity 76% *  
Sunshine 156 hrs *  
Percentage Sunshine 58% *  

Where to go in Switzerland in September

Find out more about the weather in Switzerland in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in September? Visitors traveling to Saint Moritz should plan on bringing a totally waterproof coat since it will often be raining. However, also plan on bringing your warm clothes since it can be a bit chilly during this period.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Saint Moritz.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.