Salt Lake City weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Salt Lake City in September. Check more long-term weather averages for Salt Lake City in September before you book your next holiday to Utah in 2025/2026.

  • 26°C maximum daytime temperature in September in Salt Lake City26
    26°C 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
  • 9°C minimum night-time temperature in September in Salt Lake City9
    9°C 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
  • 31 mm monthly rainfall in September in Salt Lake City31
    31 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Salt Lake City7
    7 (High) UV index

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Recommended for Utah

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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 / mm)  |  Imperial (°F / inches)

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How hot is it in Salt Lake City in September?

Daytime temperatures usually reach 26°C in Salt Lake City in September with no heat and humidity, falling to 9°C 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 31mm.

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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