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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Jefferson City by month

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Recommended for Missouri

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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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