What is the weather like in Bozeman vs Yellowstone National Park in September?

In September, Bozeman averages 24°C high / 7°C low with about 45 mm of rain; Yellowstone National Park averages 17°C high / 1°C low with about 59 mm.

Bozeman vs Yellowstone National Park in September

Bozeman is the better pick in September — 92 vs 84 on SeasonMap's comfort score. Bozeman is nice, a little rain, clean air, while Yellowstone National Park is cool, a little rain, clean air.

Bozeman vs Yellowstone National Park — September climate, side by side

	Bozeman	Yellowstone National Park
Comfort score	92/100 (S)	84/100 (A)
Feels-like high	21°C	14°C
Avg high / low	24° / 7°	17° / 1°
Rainfall	45 mm	59 mm
Rainy days	7	11
Humidity	61%	59%
Air quality (AQI)	35	43

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

Bozeman vs Yellowstone National Park in September — FAQ

Is September better in Bozeman or Yellowstone National Park?: Bozeman is the better pick in September — 92 vs 84 on SeasonMap's comfort score. Bozeman is nice, a little rain, clean air, while Yellowstone National Park is cool, a little rain, clean air.
What is the weather like in Bozeman vs Yellowstone National Park in September?: In September, Bozeman averages 24°C high / 7°C low with about 45 mm of rain; Yellowstone National Park averages 17°C high / 1°C low with about 59 mm.