What is the weather like in Big Sur vs Hyannis in September?

In September, Big Sur averages 27°C high / 13°C low with about 5 mm of rain; Hyannis averages 23°C high / 14°C low with about 113 mm.

Big Sur vs Hyannis in September

Big Sur is the better pick in September — 87 vs 78 on SeasonMap's comfort score. Big Sur is warm, dry, clean air, while Hyannis is nice, rainy, clean air.

Big Sur vs Hyannis — September climate, side by side

	Big Sur	Hyannis
Comfort score	87/100 (A)	78/100 (B)
Feels-like high	28°C	23°C
Avg high / low	27° / 13°	23° / 14°
Rainfall	5 mm	113 mm
Rainy days	1	8
Humidity	72%	80%
Air quality (AQI)	33	43

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

Big Sur vs Hyannis in September — FAQ

Is September better in Big Sur or Hyannis?: Big Sur is the better pick in September — 87 vs 78 on SeasonMap's comfort score. Big Sur is warm, dry, clean air, while Hyannis is nice, rainy, clean air.
What is the weather like in Big Sur vs Hyannis in September?: In September, Big Sur averages 27°C high / 13°C low with about 5 mm of rain; Hyannis averages 23°C high / 14°C low with about 113 mm.