Utah weather in September 2025

Expect 79°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Utah in September. Check more long-term weather averages for Utah in September before you book your next holiday to Utah in 2025/2026.

  • 79°F maximum daytime temperature in September in Utah (Salt Lake City)79
    79°F max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in September in Utah (Salt Lake City)6
    6 days with some rainfall
  • 48°F minimum night-time temperature in September in Utah (Salt Lake City)48
    48°F min night temperature
  • 12 hours of daylight per day in September in Utah (Salt Lake City)12
    12 hours of daylight per day
  • No heat & humidity in September in Utah (Salt Lake City)0
    No heat & humidity
  • 1.2 inches monthly rainfall in September in Utah (Salt Lake City)1.2
    1.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Utah (Salt Lake City)7
    7 (High) UV index

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The September weather guide for Utah (Salt Lake City) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Utah destinations

Below are average maximum temperatures at popular countries, regions and places in Utah in September. Select a holiday destination to see more weather parameters.

All Utah destinations

Metric (°C)  |  Imperial (°F)

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How hot is it in Utah in September?

Daytime temperatures usually reach 79°F in Salt Lake City, Utah in September with no heat and humidity, falling to 48°F at night.

How sunny is it in Utah in September?

There are normally 10 hours of bright sunshine each day in Salt Lake City, Utah in September - that's 80% of daylight hours.

Does it rain in Utah in September?

There are usually 6 days with some rain in Salt Lake City, Utah in September and the average monthly rainfall is 1.2 inches.

Utah September sunrise & sunset times

Browse the sunrise and sunset times for Utah in September 2025. Select a month to view Utah sunrise and sunset times for the next 12 months. The Utah sunrise and sunset times shown below are for Salt Lake City.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 18:59
Monday, 15th September 2025 06:09 18:36
Tuesday, 30th September 2025 06:23 18:11

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