Basel weather in September (Canton of Basel-Stadt, Switzerland)

How does the September weather in Basel compare to other months? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

Experience perfect weather in Basel in September, characterized by pleasant temperatures and moderate rainfall. As the day progresses, temperatures can peak at 21°C. Luckily at nightfall, they typically drop to 10°C.

Precipitation

Basel in September usually receives moderate rainfall, averaging around 97 mm for the month. Past climate data indicates that roughly 12 days will see rain.

Average sunshine

With about 162 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. September generally stands out with 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 Basel climate page with graphs.

 

Basel, monthly averages in September

Min Temperature 10°C  

Max Temperature 21°C  

Chance of Rain 41%  

Precipitation 97 mm  

Rainy days 12 days  

Humidity 77%  

Sunshine 162 hours  

Percentage Sunshine 47%  

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 Basel, 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

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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.