Sils Maria weather in September (Grisons, Switzerland)

Curious about the climate in Sils Maria this September? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

September in Sils Maria generally includes moderate temperatures and high rainfall. During the daylight hours, temperatures often reach 12°C. After dark they usually decrease to around 3°C.

Precipitation

Sils Maria in September usually receives high rainfall, averaging around 126 mm for the month. Climate data suggests that about 15 days will experience rainfall.

Average sunshine

The month brings about 156 hours of sunlight, offering a comfortable mix of sun and shade.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Sils Maria. June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, May, September, October, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Sils Maria climate page with graphs.

 

Sils Maria, monthly averages in September

Min Temperature 3°C  

Max Temperature 12°C  

Chance of Rain 51%  

Precipitation 126 mm  

Rainy days 15 days  

Humidity 76% *  

Sunshine 156 hours *  

Percentage Sunshine 58% *  

* Data from: Saint Moritz, Switzerland (10 KM, 6 Miles).

Where to go in Switzerland in September

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

Weather conditions Weather

Temperatures

Precipitation

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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°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Sils Maria.

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 travel conditions. Find out where to go with our weather planner.