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

In September, Boston averages 24°C high / 15°C low with about 83 mm of rain; Nantucket averages 22°C high / 15°C low with about 106 mm.

Boston vs Nantucket in September

Boston is the better pick in September — 90 vs 76 on SeasonMap's comfort score. Boston is warm, rainy, clean air, while Nantucket is nice, rainy, clean air.

Boston vs Nantucket — September climate, side by side

	🇺🇸 Boston	🇺🇸 Nantucket
Comfort score	90/100 (S)	76/100 (B)
Feels-like high	24°C	22°C
Avg high / low	24° / 15°	22° / 15°
Rainfall	83 mm	106 mm
Rainy days	7	6
Humidity	76%	84%
Air quality (AQI)	46	48

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

Month by month

Boston 🇺🇸 United Stateswarm, rainy, clean air · best September90
Nantucket 🇺🇸 United Statesnice, rainy, clean air · best August76

Boston vs Nantucket in September — FAQ

Is September better in Boston or Nantucket?: Boston is the better pick in September — 90 vs 76 on SeasonMap's comfort score. Boston is warm, rainy, clean air, while Nantucket is nice, rainy, clean air.
What is the weather like in Boston vs Nantucket in September?: In September, Boston averages 24°C high / 15°C low with about 83 mm of rain; Nantucket averages 22°C high / 15°C low with about 106 mm.