Sheridan weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sheridan in September. Check more long-term weather averages for Sheridan in September before you book your next holiday to Wyoming in 2025/2026.

  • 23°C maximum daytime temperature in September in Sheridan23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Sheridan7
    7 days with some rainfall
  • 5°C minimum night-time temperature in September in Sheridan5
    5°C min night temperature
  • 12 hours of daylight per day in September in Sheridan12
    12 hours of daylight per day
  • No heat & humidity in September in Sheridan0
    No heat & humidity
  • 35 mm monthly rainfall in September in Sheridan35
    35 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Sheridan6
    6 (High) UV index

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The September weather guide for Wyoming (Sheridan) 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 Sheridan in September?

Daytime temperatures usually reach 23°C in Sheridan in September, falling to 5°C at night.

How sunny is it in Sheridan in September?

There are normally 8 hours of bright sunshine each day in Sheridan in September - that's 67% of daylight hours.

Does it rain in Sheridan in September?

There are usually 7 days with some rain in Sheridan in September and the average monthly rainfall is 35mm.

Sheridan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:31 18:44
Monday, 15th September 2025 05:47 18:18
Tuesday, 30th September 2025 06:05 17:49

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