ClimateAverages

Rockford Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
September daytime high
23.7°C
September overnight low
10.7°C
September average
17.2°C

In September, Rockford typically sees daytime highs of 23.7°C and overnight lows around 10.7°C. Compared to the annual average high of 14.3°C, September runs +9.3°C.

vs. annual avg high
+9.3°C
Rank among 12 months
#4 warmest
Hottest year overall
2011

Where September ranks in Rockford

JanFebMarAprMayJunJulAugSep24°OctNovDec

FAQ

What is the average temperature in Rockford in September?

September in Rockford averages a daytime high of 23.7°C and an overnight low of 10.7°C.

Is September warm or cold in Rockford?

September runs +9.3°C compared to Rockford's annual average high of 14.3°C, ranking #4 of 12 months by warmth.

What should I pack for Rockford in September?

Plan for daytime highs near 23.7°C and cooler evenings around 10.7°C.

Other months for Rockford

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

ChicagoAuroraJolietNapervilleSpringfieldPeoriaNorth PeoriaElginWaukeganChampaignCiceroBloomington