Grächen weather in September (Canton of Valais, Switzerland)

How is the weather in Grächen in September? Here's what the weather might have in store during this month.

In September, Grächen typically experiences moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 13°C. But by evening, they drop to around 2°C.

Grächen in September usually receives high rainfall, averaging around 142 mm for the month. When we look at the climate data from the last 30 years, we can expect around 15 days of rain.

The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.

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

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

 

Grächen, monthly averages in September

Min Temperature 2°C  

Max Temperature 13°C  

Chance of Rain 50%  

Precipitation 142 mm  

Rainy days 15 days  

Humidity 70% *  

Sunshine 166 hours *  

Percentage Sunshine 69% *  

* Data from: Zermatt, Switzerland (18 KM, 11 Miles).

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.

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 Grächen in September?

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 in September.

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 Grächen.

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.