Kansas City weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Kansas City in September. Check more long-term weather averages for Kansas City in September before you book your next holiday to Missouri in 2025/2026.

  • 27°C maximum daytime temperature in September in Kansas City27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Kansas City8
    8 days with some rainfall
  • 15°C minimum night-time temperature in September in Kansas City15
    15°C min night temperature
  • 12 hours of daylight per day in September in Kansas City12
    12 hours of daylight per day
  • Low heat & humidity in September in Kansas CityL
    Low heat & humidity
  • 125 mm monthly rainfall in September in Kansas City125
    125 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Kansas City7
    7 (High) UV index

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The September weather guide for Missouri (Kansas City) 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 Kansas City in September?

Daytime temperatures usually reach 27°C in Kansas City in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Kansas City in September?

There are normally 8 hours of bright sunshine each day in Kansas City in September - that's 64% of daylight hours.

Does it rain in Kansas City in September?

There are usually 8 days with some rain in Kansas City in September and the average monthly rainfall is 125mm.

Kansas City September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:47 18:48
Monday, 15th September 2025 06:00 18:26
Tuesday, 30th September 2025 06:14 18:02

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