Superior weather in September (Wisconsin, United States of America)

Will it be warm or cold in Superior this September? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

The weather in Superior is usually perfect in September, featuring pleasant temperatures and moderate rainfall. September is part of summer. Expect daytime highs to reach approximately 20°C, with nighttime lows dipping to around 9°C.

Precipitation

Superior in September usually receives moderate rainfall, averaging around 77 mm for the month. Climate data suggests that about 11 days will experience rainfall.

Average sunshine

The days are predominantly sunny, with an estimated total of around 196 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. July and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Superior, monthly averages in September

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 37%  

Precipitation 77 mm  

Rainy days 11 days  

Humidity 76% *  

Windspeed 14 km/h *  

Sunshine 196 hours *  

Percentage Sunshine 52% *  

* Data from: Duluth, the United States of America (13 KM, 8 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 Superior, 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

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.