What is the weather like in Aspen vs Black Canyon of the Gunnison National Park in September?

In September, Aspen averages 22°C high / 6°C low with about 30 mm of rain; Black Canyon of the Gunnison National Park averages 26°C high / 4°C low with about 31 mm.

Aspen vs Black Canyon of the Gunnison National Park in September

Black Canyon of the Gunnison National Park is the better pick in September — 89 vs 20 on SeasonMap's comfort score. Black Canyon of the Gunnison National Park is warm, a little rain, clean air, while Aspen is nice, a little rain, clean air.

Aspen vs Black Canyon of the Gunnison National Park — September climate, side by side

	🇺🇸 Aspen	🇺🇸 Black Canyon of the Gunnison National Park
Comfort score	20/100 (F)	89/100 (A)
Feels-like high	20°C	24°C
Avg high / low	22° / 6°	26° / 4°
Rainfall	30 mm	31 mm
Rainy days	6	5
Humidity	55%	39%
Air quality (AQI)	44	38

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

Month by month

Aspen 🇺🇸 United Statesnice, a little rain, clean air · best January20
Black Canyon of the Gunnison National Park 🇺🇸 United Stateswarm, a little rain, clean air · best May89

Aspen vs Black Canyon of the Gunnison National Park in September — FAQ

Is September better in Aspen or Black Canyon of the Gunnison National Park?: Black Canyon of the Gunnison National Park is the better pick in September — 89 vs 20 on SeasonMap's comfort score. Black Canyon of the Gunnison National Park is warm, a little rain, clean air, while Aspen is nice, a little rain, clean air.
What is the weather like in Aspen vs Black Canyon of the Gunnison National Park in September?: In September, Aspen averages 22°C high / 6°C low with about 30 mm of rain; Black Canyon of the Gunnison National Park averages 26°C high / 4°C low with about 31 mm.