Wisconsin weather in September
Thinking about venturing to Wisconsin this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Wisconsin in September?
Wisconsin is a region in the United States of America. September in Wisconsin generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high.
Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Minocqua at 20°C to warm in Prairie du Chien at 24°C. Nighttime temperatures generally drop to 11°C in Prairie du Chien and 7°C in Minocqua.
In September, precipitation varies across different areas. From moderate rainfall in Manitowoc with an average of 63 mm to high rainfall in Chippewa Falls with 108 mm. Meanwhile, Brookfield enjoys approximately 216 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
To learn more about the conditions in specific areas of Wisconsin in September, check out the map below. For more details on the yearly weather, visit our Wisconsin climate page.
Where to go in Wisconsin in September
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Popular destinations in Wisconsin
What is the weather like in September for the 5 most popular destinations in Wisconsin?
Average weather in Brookfield
In September Brookfield generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Lake Geneva
In September Lake Geneva generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Pleasant Prairie
In September Pleasant Prairie generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Janesville
In September Janesville generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Oak Creek
In September Oak Creek generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in Wisconsin, in the United States of America.
Is September the best time to visit Wisconsin?
We consider September to be one of the best times to travel to Wisconsin. Typically, the climate in Brookfield is perfect.
Generally speaking, May, July, August and September provide perfect weather in Brookfield. On the other hand, the weather in January, February, March, April, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Wisconsin.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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 climate conditions. Find out where to go with our weather planner.