What is the weather like in Mackinac Island vs Theodore Roosevelt National Park in September?

In September, Mackinac Island averages 20°C high / 12°C low with about 71 mm of rain; Theodore Roosevelt National Park averages 24°C high / 8°C low with about 54 mm.

Mackinac Island vs Theodore Roosevelt National Park in September

Theodore Roosevelt National Park is the better pick in September — 87 vs 82 on SeasonMap's comfort score. Theodore Roosevelt National Park is nice, a little rain, clean air, while Mackinac Island is nice, a little rain, clean air.

Mackinac Island vs Theodore Roosevelt National Park — September climate, side by side

	🇺🇸 Mackinac Island	🇺🇸 Theodore Roosevelt National Park
Comfort score	82/100 (A)	87/100 (A)
Feels-like high	20°C	21°C
Avg high / low	20° / 12°	24° / 8°
Rainfall	71 mm	54 mm
Rainy days	10	5
Humidity	78%	56%
Air quality (AQI)	41	41

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

Month by month

Mackinac Island 🇺🇸 United Statesnice, a little rain, clean air · best August82
Theodore Roosevelt National Park 🇺🇸 United Statesnice, a little rain, clean air · best May87

Mackinac Island vs Theodore Roosevelt National Park in September — FAQ

Is September better in Mackinac Island or Theodore Roosevelt National Park?: Theodore Roosevelt National Park is the better pick in September — 87 vs 82 on SeasonMap's comfort score. Theodore Roosevelt National Park is nice, a little rain, clean air, while Mackinac Island is nice, a little rain, clean air.
What is the weather like in Mackinac Island vs Theodore Roosevelt National Park in September?: In September, Mackinac Island averages 20°C high / 12°C low with about 71 mm of rain; Theodore Roosevelt National Park averages 24°C high / 8°C low with about 54 mm.