Missouri weather in September 2025

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

  • 26°C maximum daytime temperature in September in Missouri (Jefferson City)26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Missouri (Jefferson City)8
    8 days with some rainfall
  • 14°C minimum night-time temperature in September in Missouri (Jefferson City)14
    14°C min night temperature
  • 12 hours of daylight per day in September in Missouri (Jefferson City)12
    12 hours of daylight per day
  • Low heat & humidity in September in Missouri (Jefferson City)L
    Low heat & humidity
  • 97 mm monthly rainfall in September in Missouri (Jefferson City)97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Missouri (Jefferson City)7
    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.

Top Missouri destinations

Below are average maximum temperatures at popular countries, regions and places in Missouri in September. Select a holiday destination to see more weather parameters.

All Missouri destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Missouri in September?

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

How sunny is it in Missouri in September?

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

Does it rain in Missouri in September?

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

Missouri September sunrise & sunset times

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

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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