Vernal weather in September 2025

Expect 77°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Vernal in September. Check more long-term weather averages for Vernal in September before you book your next holiday to Utah in 2025/2026.

  • 77°F maximum daytime temperature in September in Vernal77
    77°F max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in September in Vernal6
    6 days with some rainfall
  • 41°F minimum night-time temperature in September in Vernal41
    41°F min night temperature
  • 12 hours of daylight per day in September in Vernal12
    12 hours of daylight per day
  • No heat & humidity in September in Vernal0
    No heat & humidity
  • 0.9 inches monthly rainfall in September in Vernal0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Vernal7
    7 (High) UV index

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The September weather guide for Utah (Vernal) 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 Vernal in September?

Daytime temperatures usually reach 77°F in Vernal in September with no heat and humidity, falling to 41°F at night.

How sunny is it in Vernal in September?

There are normally 10 hours of bright sunshine each day in Vernal in September - that's 76% of daylight hours.

Does it rain in Vernal in September?

There are usually 6 days with some rain in Vernal in September and the average monthly rainfall is 0.9 inches.

Vernal September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:46 18:49
Monday, 15th September 2025 05:59 18:26
Tuesday, 30th September 2025 06:14 18:01

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