FallPeak season ~77°F highs

Things to do in Sioux Falls in September

September is one of the best months to visit Sioux Falls, with average highs around 77°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.

1Foliage walks

Falls Park

public park in Sioux Falls, South Dakota

2Foliage walks

Palisades State Park

State park in South Dakota, United States

3Foliage walks

Chief White Crane Recreation Area

State recreation area in South Dakota, United States

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 South Dakota

Rapid City

Sioux Falls in September: quick answers

Is September a good time to visit Sioux Falls?

September is one of the best months to visit Sioux Falls, with average highs around 77°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Sioux Falls in September?

Average daytime highs are around 77°F, compared with 84°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 Sioux Falls in September?

Top picks for September: Falls Park, Palisades State Park, Chief White Crane Recreation Area, Newton Hills State Park, Pierson Ranch Recreation Area.