Omaha weather in September 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Omaha in September. Check more long-term weather averages for Omaha in September before you book your next holiday to Nebraska in 2025/2026.

  • 24°C maximum daytime temperature in September in Omaha24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Omaha9
    9 days with some rainfall
  • 12°C minimum night-time temperature in September in Omaha12
    12°C min night temperature
  • 12 hours of daylight per day in September in Omaha12
    12 hours of daylight per day
  • No heat & humidity in September in Omaha0
    No heat & humidity
  • 93 mm monthly rainfall in September in Omaha93
    93 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Omaha6
    6 (High) UV index

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The September weather guide for Nebraska (Omaha) 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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More about the USA

How hot is it in Omaha in September?

Daytime temperatures usually reach 24°C in Omaha in September, falling to 12°C at night.

How sunny is it in Omaha in September?

There are normally 8 hours of bright sunshine each day in Omaha in September - that's 65% of daylight hours.

Does it rain in Omaha in September?

There are usually 9 days with some rain in Omaha in September and the average monthly rainfall is 93mm.

Omaha September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:51 18:56
Monday, 15th September 2025 06:05 18:32
Tuesday, 30th September 2025 06:20 18:07

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