Fayetteville weather in September 2025

Expect daytime maximum temperatures of 81°F in Fayetteville, Arkansas in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 4.3 inches of rainfall in the month.

  • 81°F maximum daytime temperature in September in Fayetteville81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Fayetteville9
    9 days with some rainfall
  • 59°F minimum night-time temperature in September in Fayetteville59
    59°F min night temperature
  • 12 hours of daylight per day in September in Fayetteville12
    12 hours of daylight per day
  • Low heat & humidity in September in FayettevilleL
    Low heat & humidity
  • 4.3 inches monthly rainfall in September in Fayetteville4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Fayetteville7
    7 (High) UV index

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The September weather guide for Arkansas (Fayetteville) 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 Fayetteville in September?

Daytime temperatures usually reach 81°F in Fayetteville in September with low heat and humidity, falling to 59°F at night.

How sunny is it in Fayetteville in September?

There are normally 8 hours of bright sunshine each day in Fayetteville in September - that's 62% of daylight hours.

Does it rain in Fayetteville in September?

There are usually 9 days with some rain in Fayetteville in September and the average monthly rainfall is 4.3 inches.

What is the chance of a hurricane in Fayetteville in September?

On average less than 1 day in September in Fayetteville is likely to be affected by the passage of one or more tropical storms.

Fayetteville September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:49 18:44
Monday, 15th September 2025 05:59 18:23
Tuesday, 30th September 2025 06:11 18:01

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