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

In September, Houston averages 33°C high / 24°C low with about 180 mm of rain; Philadelphia averages 27°C high / 18°C low with about 101 mm.

Houston vs Philadelphia in September

Philadelphia is the better pick in September — 81 vs 61 on SeasonMap's comfort score. Philadelphia is warm, rainy, clean air, while Houston is sweltering, soaked, muggy air.

Houston vs Philadelphia — September climate, side by side

	Houston	Philadelphia
Comfort score	61/100 (C)	81/100 (A)
Feels-like high	37°C	28°C
Avg high / low	33° / 24°	27° / 18°
Rainfall	180 mm	101 mm
Rainy days	8	7
Humidity	77%	72%
Air quality (AQI)	54	45

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

Houston vs Philadelphia in September — FAQ

Is September better in Houston or Philadelphia?: Philadelphia is the better pick in September — 81 vs 61 on SeasonMap's comfort score. Philadelphia is warm, rainy, clean air, while Houston is sweltering, soaked, muggy air.
What is the weather like in Houston vs Philadelphia in September?: In September, Houston averages 33°C high / 24°C low with about 180 mm of rain; Philadelphia averages 27°C high / 18°C low with about 101 mm.