What is the weather like in Boston vs Pittsburgh in September?

In September, Boston averages 24°C high / 15°C low with about 83 mm of rain; Pittsburgh averages 26°C high / 14°C low with about 86 mm.

Boston vs Pittsburgh in September

Boston and Pittsburgh are nearly tied in September — 90 vs 89 on SeasonMap's comfort score. Boston is warm, rainy, clean air; Pittsburgh is warm, rainy, clean air.

Boston vs Pittsburgh — September climate, side by side

	🇺🇸 Boston	🇺🇸 Pittsburgh
Comfort score	90/100 (S)	89/100 (A)
Feels-like high	24°C	27°C
Avg high / low	24° / 15°	26° / 14°
Rainfall	83 mm	86 mm
Rainy days	7	8
Humidity	76%	75%
Air quality (AQI)	46	43

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

Month by month

Boston vs Pittsburgh in September — FAQ

Is September better in Boston or Pittsburgh?: Boston and Pittsburgh are nearly tied in September — 90 vs 89 on SeasonMap's comfort score. Boston is warm, rainy, clean air; Pittsburgh is warm, rainy, clean air.
What is the weather like in Boston vs Pittsburgh in September?: In September, Boston averages 24°C high / 15°C low with about 83 mm of rain; Pittsburgh averages 26°C high / 14°C low with about 86 mm.