Ollon weather in September (Vaud, Switzerland)

Wondering what the weather is like in Ollon during September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

The month of September in Ollon typically brings moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 17°C. But by evening, they drop to around 6°C.

Precipitation

Ollon in September usually receives high rainfall, averaging around 147 mm for the month. You can typically expect 13 days days of rain this month, based on climate records.

Average sunshine

There are approximately 210 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

In case you lean more towards enjoying temperate temperatures and rain-free days August typically offers the most optimal weather. In contrast, January, February, March, April, May, June, October, November and December tend to have less optimal conditions.

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

 

Ollon, monthly averages in September

Min Temperature 6°C  

Max Temperature 17°C  

Chance of Rain 44%  

Precipitation 147 mm  

Rainy days 13 days  

Humidity 71% *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

Data from: Sion, Switzerland (27 KM, 17 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 Ollon, 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.

Cycling

5/10

Walking

5/10

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 Ollon.

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.