Olten weather in September (Canton of Solothurn, Switzerland)

Planning a trip to Olten in September? Here's what the weather might have in store during this month.

In September, Olten generally has pleasant temperatures and high rainfall. Throughout the day, temperatures typically settle at around 20°C. But by evening, they drop to around 10°C.

Olten in September usually receives high rainfall, averaging around 117 mm for the month. Typically around 13 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 162 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

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 Olten climate page with graphs.

 

Olten, monthly averages in September

Min Temperature 10°C  

Max Temperature 20°C  

Chance of Rain 43%  

Precipitation 117 mm  

Rainy days 13 days  

Humidity 77% *  

Sunshine 162 hours *  

Percentage Sunshine 47% *  

* Data from: Basel, Switzerland (33 KM, 20 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

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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 Olten in September?

For visitors traveling to Olten, 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

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.