What is the weather like in Bar Harbor vs Mackinac Island in September?

In September, Bar Harbor averages 19°C high / 11°C low with about 93 mm of rain; Mackinac Island averages 20°C high / 12°C low with about 71 mm.

Bar Harbor vs Mackinac Island in September

Bar Harbor and Mackinac Island are nearly tied in September — 81 vs 82 on SeasonMap's comfort score. Bar Harbor is nice, rainy, clean air; Mackinac Island is nice, a little rain, clean air.

Bar Harbor vs Mackinac Island — September climate, side by side

	🇺🇸 Bar Harbor	🇺🇸 Mackinac Island
Comfort score	81/100 (A)	82/100 (A)
Feels-like high	19°C	20°C
Avg high / low	19° / 11°	20° / 12°
Rainfall	93 mm	71 mm
Rainy days	7	10
Humidity	81%	78%
Air quality (AQI)	37	41

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

Month by month

Bar Harbor vs Mackinac Island in September — FAQ

Is September better in Bar Harbor or Mackinac Island?: Bar Harbor and Mackinac Island are nearly tied in September — 81 vs 82 on SeasonMap's comfort score. Bar Harbor is nice, rainy, clean air; Mackinac Island is nice, a little rain, clean air.
What is the weather like in Bar Harbor vs Mackinac Island in September?: In September, Bar Harbor averages 19°C high / 11°C low with about 93 mm of rain; Mackinac Island averages 20°C high / 12°C low with about 71 mm.