Willisau weather in September (Canton of Lucerne, Switzerland)

Thinking of visiting Willisau in September? Check the weather first! Check out this detailed guide to the month’s weather conditions.

Temperatures

In September, Willisau typically experiences pleasant temperatures and high rainfall. The temperature during the day can rise to approximately 19°C. At night, it falls to around 10°C.

Precipitation

Willisau in September usually receives high rainfall, averaging around 135 mm for the month. Typically, you can expect about 13 days of rain this month.

Average sunshine

The area enjoys a moderate level of sunlight, with around 176 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and moderate temperatures June, July and August generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Willisau, monthly averages in September

Min Temperature 10°C  

Max Temperature 19°C  

Chance of Rain 44%  

Precipitation 135 mm  

Rainy days 13 days  

Humidity 79% *  

Sunshine 176 hours *  

Percentage Sunshine 49% *  

Data from: Bern, Switzerland (46 KM, 28 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 Willisau, 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 Willisau.

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.