Lake Geneva weather in September (Wisconsin, United States of America)

What is the weather forecast for Lake Geneva in September? Find all the essential weather information for this month in our guide.

Temperatures

During September, Lake Geneva experiences perfect weather, with high temperatures and moderate rainfall. Anticipate daytime temperatures around 23°C, while night temperatures can drop to 11°C.

Precipitation

Lake Geneva in September usually receives moderate rainfall, averaging around 85 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 10 days of the month will see rainfall.

Average sunshine

With approximately 216 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Lake Geneva. May, July 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 Lake Geneva climate page with graphs.

 

Lake Geneva, monthly averages in September

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 33%  

Precipitation 85 mm  

Rainy days 10 days  

Humidity 75% *  

Sunshine 216 hours *  

Percentage Sunshine 57% *  

* Data from: Milwaukee, the United States of America (64 KM, 40 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America 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 Lake 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.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

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 Lake Geneva.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. 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.