Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Springfield, Illinois, United States in September
Weather score67Good
Good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 8h per day, so bright days are a strong part of the month. Rainfall averages 86mm, so some wet days are possible.
September weather
Monthly averages
Temp
26°C
Rain
86mm
Sun
8h
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 86mm, so some wet days are possible.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Springfield, Illinois, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September26°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
September86mm average rain
September is wetter than Springfield's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September8 hours average sun
September sits close to Springfield's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September67 weather score
September scores above Springfield's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels in Springfield, Illinois, United States
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