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

In September, Hyannis averages 23°C high / 14°C low with about 113 mm of rain; Philadelphia averages 27°C high / 18°C low with about 101 mm.

Hyannis vs Philadelphia in September

Hyannis and Philadelphia are nearly tied in September — 78 vs 81 on SeasonMap's comfort score. Hyannis is nice, rainy, clean air; Philadelphia is warm, rainy, clean air.

Hyannis vs Philadelphia — September climate, side by side

	🇺🇸 Hyannis	🇺🇸 Philadelphia
Comfort score	78/100 (B)	81/100 (A)
Feels-like high	23°C	28°C
Avg high / low	23° / 14°	27° / 18°
Rainfall	113 mm	101 mm
Rainy days	8	7
Humidity	80%	72%
Air quality (AQI)	43	45

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

Month by month

Hyannis vs Philadelphia in September — FAQ

Is September better in Hyannis or Philadelphia?: Hyannis and Philadelphia are nearly tied in September — 78 vs 81 on SeasonMap's comfort score. Hyannis is nice, rainy, clean air; Philadelphia is warm, rainy, clean air.
What is the weather like in Hyannis vs Philadelphia in September?: In September, Hyannis averages 23°C high / 14°C low with about 113 mm of rain; Philadelphia averages 27°C high / 18°C low with about 101 mm.