What is the weather like in Acadia National Park vs Bar Harbor in September?

In September, Acadia National Park averages 18°C high / 11°C low with about 93 mm of rain; Bar Harbor averages 19°C high / 11°C low with about 93 mm.

Acadia National Park vs Bar Harbor in September

Acadia National Park is the better pick in September — 87 vs 81 on SeasonMap's comfort score. Acadia National Park is nice, rainy, clean air, while Bar Harbor is nice, rainy, clean air.

Acadia National Park vs Bar Harbor — September climate, side by side

	🇺🇸 Acadia National Park	🇺🇸 Bar Harbor
Comfort score	87/100 (A)	81/100 (A)
Feels-like high	18°C	19°C
Avg high / low	18° / 11°	19° / 11°
Rainfall	93 mm	93 mm
Rainy days	7	7
Humidity	81%	81%
Air quality (AQI)	37	37

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

Month by month

Acadia National Park vs Bar Harbor in September — FAQ

Is September better in Acadia National Park or Bar Harbor?: Acadia National Park is the better pick in September — 87 vs 81 on SeasonMap's comfort score. Acadia National Park is nice, rainy, clean air, while Bar Harbor is nice, rainy, clean air.
What is the weather like in Acadia National Park vs Bar Harbor in September?: In September, Acadia National Park averages 18°C high / 11°C low with about 93 mm of rain; Bar Harbor averages 19°C high / 11°C low with about 93 mm.