What is the weather like in Badlands National Park vs Isle Royale National Park in September?

In September, Badlands National Park averages 27°C high / 11°C low with about 34 mm of rain; Isle Royale National Park averages 16°C high / 13°C low with about 84 mm.

Badlands National Park vs Isle Royale National Park in September

Badlands National Park is the better pick in September — 85 vs 81 on SeasonMap's comfort score. Badlands National Park is warm, a little rain, clean air, while Isle Royale National Park is cool, rainy, clean air.

Badlands National Park vs Isle Royale National Park — September climate, side by side

	🇺🇸 Badlands National Park	🇺🇸 Isle Royale National Park
Comfort score	85/100 (A)	81/100 (A)
Feels-like high	25°C	14°C
Avg high / low	27° / 11°	16° / 13°
Rainfall	34 mm	84 mm
Rainy days	6	10
Humidity	54%	81%
Air quality (AQI)	39	37

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

Month by month

Badlands National Park 🇺🇸 United Stateswarm, a little rain, clean air · best May85
Isle Royale National Park 🇺🇸 United Statescool, rainy, clean air · best July81

Badlands National Park vs Isle Royale National Park in September — FAQ

Is September better in Badlands National Park or Isle Royale National Park?: Badlands National Park is the better pick in September — 85 vs 81 on SeasonMap's comfort score. Badlands National Park is warm, a little rain, clean air, while Isle Royale National Park is cool, rainy, clean air.
What is the weather like in Badlands National Park vs Isle Royale National Park in September?: In September, Badlands National Park averages 27°C high / 11°C low with about 34 mm of rain; Isle Royale National Park averages 16°C high / 13°C low with about 84 mm.