Porrentruy weather in September (Jura, Switzerland)

What's the typical weather in Porrentruy for September? Our guide gives you the essential weather details for this month.

Temperatures

Typically, September in Porrentruy includes pleasant temperatures and high rainfall. Throughout the day, temperatures typically settle at around 20°C. But by evening, they drop to around 10°C.

Precipitation

Porrentruy in September usually receives high rainfall, averaging around 118 mm for the month. Expect around 13 days of rain based on historical data.

Average sunshine

The month brings about 162 hours of sunlight, offering a comfortable mix of sun and shade.

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

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

 

Porrentruy, monthly averages in September

Min Temperature 10°C  

Max Temperature 20°C  

Chance of Rain 42%  

Precipitation 118 mm  

Rainy days 13 days  

Humidity 77% *  

Sunshine 162 hours *  

Percentage Sunshine 47% *  

Data from: Basel, Switzerland (41 KM, 25 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 Porrentruy, 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

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.