Utah Weather in September

Utah weather in September is usually mild and pleasant, with temperatures ranging from the mid 70s to the low 80s. There can be showers and thunderstorms. 

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During September in Utah prepare clothing for cooler evenings and possible rain. Check forecasts ahead of time as conditions can change quickly. 

Northern Utah

The three large cities are Salt Lake City, Park City, and Provo. The area includes mountains, forests, lakes and reservoirs where you can hike, boat, stargaze or camp. 

Southern Utah

All 5 Utah National Parks are located in Central and Southern Utah. September is still hot in this part of the state. Fall is a busy time at the National Parks so be prepared for crowds.

September Is a Good Time to Visit Utah

You can enjoy outdoor activities like hiking, boating, stargazing, off-roading, or camping in the mountains, forests, lakes, reservoirs, red rock canyons, and deserts of Utah in September.

September Weather in Utah

Average September temperature in Northern Utah (Salt Lake City): highs 79 / lows 58 degrees F. Average August temperature in Southern Utah (St. George): highs 98 / lows 63 degrees F.

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