Springfield weather in September 2025

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

  • 26°C maximum daytime temperature in September in Springfield26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Springfield8
    8 days with some rainfall
  • 13°C minimum night-time temperature in September in Springfield13
    13°C min night temperature
  • 12 hours of daylight per day in September in Springfield12
    12 hours of daylight per day
  • Low heat & humidity in September in SpringfieldL
    Low heat & humidity
  • 85 mm monthly rainfall in September in Springfield85
    85 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Springfield6
    6 (High) UV index

More about Springfield

Springfield by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

Zest Car Rental: up to 30% off car hire worldwide

  • Save up to 30% on car hire in Black Friday sale
  • Discount varies by country & travel period
  • Browse exclusive car hire company offers
Go to Zest Car Rental deal >>

Expires at 00:00 on Monday 1st Dec 2025 · View all Zest Car Rental offers

The September weather guide for Illinois (Springfield) 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)

Back to top

More about the USA

How hot is it in Springfield in September?

Daytime temperatures usually reach 26°C in Springfield in September with low heat and humidity, falling to 13°C at night.

How sunny is it in Springfield in September?

There are normally 8 hours of bright sunshine each day in Springfield in September - that's 66% of daylight hours.

Does it rain in Springfield in September?

There are usually 8 days with some rain in Springfield in September and the average monthly rainfall is 85mm.

Springfield September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:27 18:29
Monday, 15th September 2025 05:40 18:07
Tuesday, 30th September 2025 05:54 17:42

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^