Arosa weather in September (Grisons, Switzerland)

What is the weather forecast for Arosa in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

In September, Arosa usually has moderate temperatures and high rainfall. During the day, temperatures can climb to about 13°C. At night, they may fall to a cooler 3°C.

Precipitation

Arosa in September usually receives high rainfall, averaging around 131 mm for the month. Looking at the last 30 years, the data shows about 15 days with rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 162 hours hours. A nice balance between sunshine and clouds.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Arosa. July generally stands out with the best circumstances. While January, February, March, April, May, June, September, October, November and December tend to showcase less optimal conditions.

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

 

Arosa, monthly averages in September

Min Temperature 3°C  

Max Temperature 13°C  

Chance of Rain 49%  

Precipitation 131 mm  

Rainy days 15 days  

Humidity 75% *  

Windspeed 7 km/h *  

Sunshine 162 hours *  

Percentage Sunshine 53% *  

* Data from: Davos Dorf, Switzerland (11 KM, 7 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

9/10

Interested in more climate information?

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

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.