FallPeak season ~83°F highs

Things to do in Grand Junction in September

September is one of the best months to visit Grand Junction, with average highs around 83°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

Dinosaur National Monument

national monument in Uintah County, Utah and Moffat County, Colorado in the United States

2Foliage walks

Colorado National Monument

national monument in the United States

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 Colorado

Denver Colorado Springs Montrose Fort Collins Pueblo

Grand Junction in September: quick answers

Is September a good time to visit Grand Junction?

September is one of the best months to visit Grand Junction, with average highs around 83°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Grand Junction in September?

Average daytime highs are around 83°F, compared with 97°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 Grand Junction in September?

Top picks for September: Dinosaur National Monument, Colorado National Monument, Black Ridge Canyons Wilderness, Dominguez Canyon Wilderness, Dominguez-Escalante National Conservation Area.