What is the weather like in Chicago vs Houston in September?

In September, Chicago averages 25°C high / 17°C low with about 63 mm of rain; Houston averages 33°C high / 24°C low with about 180 mm.

Chicago vs Houston in September

Chicago is the better pick in September — 91 vs 61 on SeasonMap's comfort score. Chicago is warm, a little rain, clean air, while Houston is sweltering, soaked, muggy air.

Chicago vs Houston — September climate, side by side

	Chicago	Houston
Comfort score	91/100 (S)	61/100 (C)
Feels-like high	25°C	37°C
Avg high / low	25° / 17°	33° / 24°
Rainfall	63 mm	180 mm
Rainy days	7	8
Humidity	73%	77%
Air quality (AQI)	45	54

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Chicago vs Houston in September — FAQ

Is September better in Chicago or Houston?: Chicago is the better pick in September — 91 vs 61 on SeasonMap's comfort score. Chicago is warm, a little rain, clean air, while Houston is sweltering, soaked, muggy air.
What is the weather like in Chicago vs Houston in September?: In September, Chicago averages 25°C high / 17°C low with about 63 mm of rain; Houston averages 33°C high / 24°C low with about 180 mm.