Mackinac Island vs Yosemite National Park in September

Yosemite National Park is the better pick in September — 93 vs 82 on SeasonMap's comfort score. Yosemite National Park is nice, dry, clean air, while Mackinac Island is nice, a little rain, clean air.

Mackinac Island vs Yosemite National ParkSeptember climate, side by side

Mackinac IslandYosemite National Park
Comfort score82/100 (A)93/100 (S)
Feels-like high20°C16°C
Avg high / low20° / 12°19° / 6°
Rainfall71 mm28 mm
Rainy days105
Humidity78%49%
Air quality (AQI)4142

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

Mackinac Island vs Yosemite National Park in September — FAQ

Is September better in Mackinac Island or Yosemite National Park?
Yosemite National Park is the better pick in September — 93 vs 82 on SeasonMap's comfort score. Yosemite National Park is nice, dry, clean air, while Mackinac Island is nice, a little rain, clean air.
What is the weather like in Mackinac Island vs Yosemite National Park in September?
In September, Mackinac Island averages 20°C high / 12°C low with about 71 mm of rain; Yosemite National Park averages 19°C high / 6°C low with about 28 mm.