Jefferson City weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Jefferson City in September. Check more long-term weather averages for Jefferson City in September before you book your next holiday to Missouri in 2025/2026.

  • 26°C maximum daytime temperature in September in Jefferson City26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Jefferson City8
    8 days with some rainfall
  • 14°C minimum night-time temperature in September in Jefferson City14
    14°C min night temperature
  • 12 hours of daylight per day in September in Jefferson City12
    12 hours of daylight per day
  • Low heat & humidity in September in Jefferson CityL
    Low heat & humidity
  • 97 mm monthly rainfall in September in Jefferson City97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Jefferson City7
    7 (High) UV index

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The September weather guide for Missouri (Jefferson 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 Jefferson City in September?

Daytime temperatures usually reach 26°C in Jefferson City in September with low heat and humidity, falling to 14°C at night.

How sunny is it in Jefferson City in September?

There are normally 8 hours of bright sunshine each day in Jefferson City in September - that's 61% of daylight hours.

Does it rain in Jefferson City in September?

There are usually 8 days with some rain in Jefferson City in September and the average monthly rainfall is 97mm.

Jefferson City September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:38 18:38
Monday, 15th September 2025 05:51 18:16
Tuesday, 30th September 2025 06:04 17:52

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