Climate Comparison

Ottawa vs Chicago in September

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Ottawa versus Chicago weather metrics for September
Climate MetricOttawaCanadaChicagoUnited States
VerdictExcellentExcellent
Avg high temp71°F74°F
How it feelsComfortableComfortable
Rain days109
Sunshine8.9h9.9h

Annual Comparison

Avg. high temperature (°F)

Typical daytime high you can expect.

20°30°40°50°60°70°80°90°JFMAMJJASOND71°74°
  • Ottawa
  • Chicago

Avg. high temperature (°F)

Typical daytime high you can expect.

20°30°40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDec71°74°
  • Ottawa
  • Chicago

Precipitation (in)

0.01.02.0JanFebMarAprMayJunJulAugSepOctNovDec1.11.0
  • Ottawa
  • Chicago

Sunshine hours (h/day)

0.02.04.06.08.010.012.014.0JanFebMarAprMayJunJulAugSepOctNovDec9.19.8
  • Ottawa
  • Chicago

Air feel (%)

Share of time the air feels humid or very humid.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec8%13%
  • Ottawa
  • Chicago

Go deeper

Full climate detail for Ottawa→Full climate detail for Chicago→
Compare Ottawa in other monthsAugustOctober