Temperature in Utah in September

Daytime highs, nighttime lows and the warmest cities in Utah, the United States of America this September.

Utah, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 15°C (59°F) in Alta to 34°C (93°F) in Washington. Nighttime temperatures generally drop to 18°C (64°F) in Washington and 6°C (43°F) in Alta.

What is the temperature of the different cities in Utah, the United States of America in September?

Discover the typical September temperatures for the most popular locations of Utah on the map below. Detailed insights are just a click away.

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For a detailed overview over the year and the best time to visit Utah, check out our Utah's climate page.

See also: Utah weather by month.

Best Places to Visit in Utah in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Utah.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Utah

Utah temperatures in September: frequently asked questions

How hot does it get in Utah, the United States of America in September?

Daytime temperatures in Park City typically peak at 21°C (70°F) in September, putting it in the pleasant range.

How cold does it get at night in Utah, the United States of America in September?

After dark, Park City cools to about 6°C (43°F) on an average September night.

What is the warmest city in September in Utah, the United States of America?

According to our recent database analysis, Washington is the warmest city. It experiences an average maximum daytime temperature of approximately 34°C (93°F) and rarely drops below 18°C (64°F) during the night.

What is the coldest city in September in Utah, the United States of America?

Our database indicates that in September, Alta is the city with the coolest temperatures in Utah, the United States of America. You can expect daytime highs of 15°C (59°F) and nighttime lows close to 6°C (43°F).

How much sun does Utah, the United States of America get in September?

Park City usually sees around 299 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in Utah.

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