FallPeak season ~72°F highs

Things to do in Oshkosh in September

September is one of the best months to visit Oshkosh, with average highs around 72°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a September weekend Where else in September

Best picks for September

What's famous here, weighted toward what shines in September.

M4A3 Sherman Tank

1942 medium tank family

M60A3 Patton Tank

American second generation main battle tank

Road America

race track

Holidays in September 2027

Labour Day · Mon, Sep 6

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in September in Wisconsin

Milwaukee Madison Eau Claire Green Bay La Crosse

Oshkosh in September: quick answers

Is September a good time to visit Oshkosh?

September is one of the best months to visit Oshkosh, with average highs around 72°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Oshkosh in September?

Average daytime highs are around 72°F, compared with 82°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Oshkosh in September?

Top picks for September: M4A3 Sherman Tank, M60A3 Patton Tank, Road America, Horicon Marsh Wildlife Area, Horicon National Wildlife Refuge.