Salt Lake City weather in September 2025

Expect daytime maximum temperatures of 79°F in Salt Lake City, Utah in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in September in Salt Lake City79
    79°F max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in September in Salt Lake City6
    6 days with some rainfall
  • 48°F minimum night-time temperature in September in Salt Lake City48
    48°F min night temperature
  • 12 hours of daylight per day in September in Salt Lake City12
    12 hours of daylight per day
  • No heat & humidity in September in Salt Lake City0
    No heat & humidity
  • 1.2 inches monthly rainfall in September in Salt Lake City1.2
    1.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Salt Lake City7
    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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Salt Lake City in September?

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

How sunny is it in Salt Lake City in September?

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

Does it rain in Salt Lake City in September?

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

Salt Lake City September sunrise & sunset times

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

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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