Geneva weather in September (Canton of Geneva, Switzerland)

Curious about the September weather in Geneva? Here's what the weather might have in store during this month.

In September, Geneva generally has pleasant temperatures and high rainfall. Anticipate daytime temperatures around 20°C, while night temperatures can drop to 10°C.

Geneva in September usually receives high rainfall, averaging around 123 mm for the month. Rain is expected on roughly 12 days.

The area experiences a moderate amount of sunshine, with approximately 183 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Geneva. June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Geneva, monthly averages in September

Min Temperature 10°C  

Max Temperature 20°C  

Chance of Rain 40%  

Precipitation 123 mm  

Rainy days 12 days  

Humidity 74%  

Sunshine 183 hours  

Percentage Sunshine 55%  

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 Geneva in September?

For visitors traveling to Geneva, 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

3/10

Outdoor sports

9/10

Interested in more climate information?

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

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.