What is the weather like in Mackinac Island vs Wind Cave National Park in September?

In September, Mackinac Island averages 20°C high / 12°C low with about 71 mm of rain; Wind Cave National Park averages 26°C high / 8°C low with about 35 mm.

Mackinac Island vs Wind Cave National Park in September

Wind Cave National Park is the better pick in September — 89 vs 82 on SeasonMap's comfort score. Wind Cave National Park is nice, a little rain, clean air, while Mackinac Island is nice, a little rain, clean air.

Mackinac Island vs Wind Cave National Park — September climate, side by side

	🇺🇸 Mackinac Island	🇺🇸 Wind Cave National Park
Comfort score	82/100 (A)	89/100 (A)
Feels-like high	20°C	23°C
Avg high / low	20° / 12°	26° / 8°
Rainfall	71 mm	35 mm
Rainy days	10	5
Humidity	78%	54%
Air quality (AQI)	41	40

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

Month by month

Mackinac Island 🇺🇸 United Statesnice, a little rain, clean air · best August82
Wind Cave National Park 🇺🇸 United Statesnice, a little rain, clean air · best September89

Mackinac Island vs Wind Cave National Park in September — FAQ

Is September better in Mackinac Island or Wind Cave National Park?: Wind Cave National Park is the better pick in September — 89 vs 82 on SeasonMap's comfort score. Wind Cave 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 Wind Cave National Park in September?: In September, Mackinac Island averages 20°C high / 12°C low with about 71 mm of rain; Wind Cave National Park averages 26°C high / 8°C low with about 35 mm.