Guymon weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Guymon in September. Check more long-term weather averages for Guymon in September before you book your next holiday to Oklahoma in 2025/2026.

  • 82°F maximum daytime temperature in September in Guymon82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Guymon6
    6 days with some rainfall
  • 54°F minimum night-time temperature in September in Guymon54
    54°F min night temperature
  • 12 hours of daylight per day in September in Guymon12
    12 hours of daylight per day
  • Moderate heat & humidity in September in GuymonM
    Moderate heat & humidity
  • 1.7 inches monthly rainfall in September in Guymon1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Guymon8
    8 (Very High) UV index

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The September weather guide for Oklahoma (Guymon) 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 Guymon in September?

Daytime temperatures usually reach 82°F in Guymon in September with moderate heat and humidity, falling to 54°F at night.

How sunny is it in Guymon in September?

There are normally 9 hours of bright sunshine each day in Guymon in September - that's 71% of daylight hours.

Does it rain in Guymon in September?

There are usually 6 days with some rain in Guymon in September and the average monthly rainfall is 1.7 inches.

Guymon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:17 19:14
Monday, 15th September 2025 06:28 18:53
Tuesday, 30th September 2025 06:41 18:30

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