What is the weather like in Detroit vs Mammoth Cave National Park in September?

In September, Detroit averages 25°C high / 16°C low with about 88 mm of rain; Mammoth Cave National Park averages 30°C high / 16°C low with about 107 mm.

Detroit vs Mammoth Cave National Park in September

Detroit is the better pick in September — 90 vs 75 on SeasonMap's comfort score. Detroit is warm, rainy, clean air, while Mammoth Cave National Park is hot, rainy, clean air.

Detroit vs Mammoth Cave National Park — September climate, side by side

	🇺🇸 Detroit	🇺🇸 Mammoth Cave National Park
Comfort score	90/100 (S)	75/100 (B)
Feels-like high	24°C	32°C
Avg high / low	25° / 16°	30° / 16°
Rainfall	88 mm	107 mm
Rainy days	6	6
Humidity	73%	69%
Air quality (AQI)	45	42

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

Month by month

Detroit vs Mammoth Cave National Park in September — FAQ

Is September better in Detroit or Mammoth Cave National Park?: Detroit is the better pick in September — 90 vs 75 on SeasonMap's comfort score. Detroit is warm, rainy, clean air, while Mammoth Cave National Park is hot, rainy, clean air.
What is the weather like in Detroit vs Mammoth Cave National Park in September?: In September, Detroit averages 25°C high / 16°C low with about 88 mm of rain; Mammoth Cave National Park averages 30°C high / 16°C low with about 107 mm.