FallPeak season ~79°F highs

Things to do in Missoula in September

September is one of the best months to visit Missoula, with average highs around 79°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

Glacier National Park

national park in Flathead and Glacier counties in Montana, United States

2Foliage walks

Waterton Lakes National Park

national park in the southwest corner of Alberta, Canada

3Foliage walks

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 Montana

Billings Great Falls Bozeman

Missoula in September: quick answers

Is September a good time to visit Missoula?

September is one of the best months to visit Missoula, with average highs around 79°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Missoula in September?

Average daytime highs are around 79°F, compared with 85°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 Missoula in September?

Top picks for September: Glacier National Park, Waterton Lakes National Park, CSKT Bison Range, Heavens Peak Lookout, Beavertail Hill State Park.