FallPeak season ~78°F highs

Things to do in Sheridan in September

September is one of the best months to visit Sheridan, with average highs around 78°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.

Old Faithful

geyser in Yellowstone National Park in Wyoming, United States

Grand Prismatic Spring

natural hot spring within Yellowstone National Park

3Fall colors

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 Wyoming

Rock Springs Laramie Casper

Sheridan in September: quick answers

Is September a good time to visit Sheridan?

September is one of the best months to visit Sheridan, with average highs around 78°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Sheridan in September?

Average daytime highs are around 78°F, compared with 83°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 Sheridan in September?

Top picks for September: Old Faithful, Grand Prismatic Spring, Artist Point, Morning Glory Pool, Inspiration Point.