Schwyz weather in September (Canton of Schwyz, Switzerland)

How is the weather in Schwyz in September? Check out this comprehensive weather guide.

In September, Schwyz generally has moderate temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 17°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 8°C.

Schwyz in September falls under the rainy season with heavy rainfall, averaging around 177 mm for the month. Rain is expected on roughly 14 days.

The city usually sees around 138 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Schwyz. July, August and September typically offer the best circumstances. While January, February, March, April, May, June, October, November and December tend to showcase less optimal conditions.

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

 

Schwyz, monthly averages in September

Min Temperature 8°C  

Max Temperature 17°C  

Chance of Rain 47%  

Precipitation 177 mm  

Rainy days 14 days  

Humidity 78% *  

Windspeed 7 km/h *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (17 KM, 10 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

Map not visible? Whoops sorry! Please refresh the page.

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 Schwyz in September?

For visitors traveling to Schwyz, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

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

Interested in more climate information?

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

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.