Twann weather in September (Canton of Bern, Switzerland)

Can you expect sunny skies in Twann in September? Use this page to get an overview of the month’s weather conditions.

Temperatures

During September, Twann usually has pleasant temperatures and high rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 10°C.

Precipitation

Twann in September usually receives high rainfall, averaging around 115 mm for the month. The climate data from previous years indicates that there are typically about 13 days days of rain.

Average sunshine

Expect a moderate amount of sunlight, with approximately 176 hours. This means a pleasant mix of sun and clouds.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January, February, November and December tend to have less optimal conditions.

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

 

Twann, monthly averages in September

Min Temperature 10°C  

Max Temperature 20°C  

Chance of Rain 43%  

Precipitation 115 mm  

Rainy days 13 days  

Humidity 79% *  

Sunshine 176 hours *  

Percentage Sunshine 49% *  

Data from: Bern, Switzerland (27 KM, 16 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?

For visitors traveling to Twann, 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.

Swimming

6/10

Cycling

9/10

Walking

9/10

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 Twann.

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.