Yuma weather in September 2026

Expect daytime maximum temperatures of 100°F in Yuma, Arizona in September and very high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 100°F maximum daytime temperature in September in Yuma100
    100°F max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in September in Yuma1
    1 day with some rainfall
  • 73°F minimum night-time temperature in September in Yuma73
    73°F min night temperature
  • 12 hours of daylight per day in September in Yuma12
    12 hours of daylight per day
  • Very high heat & humidity in September in YumaVH
    Very High heat & humidity
  • 0.3 inches monthly rainfall in September in Yuma0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Yuma9
    9 (Very High) UV index

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The September weather guide for Arizona (Yuma) 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 Yuma in September?

Daytime temperatures usually reach 99°F in Yuma in September with very high heat and humidity, falling to 70°F at night.

How sunny is it in Yuma in September?

There are normally 11 hours of bright sunshine each day in Yuma in September - that's 88% of daylight hours.

Does it ever rain in Yuma in September?

There are usually 3 days with some rain in Yuma in September and the average monthly rainfall is 0.9 inches.

Yuma September sunrise & sunset times

Browse the sunrise and sunset times for Yuma in September 2026. Select a month to view Yuma sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:13 19:03
Tuesday, 15th September 2026 06:22 18:44
Wednesday, 30th September 2026 06:32 18:24

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