What is the weather like in Denver vs Great Sand Dunes National Park in September?

In September, Denver averages 29°C high / 11°C low with about 24 mm of rain; Great Sand Dunes National Park averages 24°C high / 9°C low with about 24 mm.

Denver vs Great Sand Dunes National Park in September

Denver and Great Sand Dunes National Park are nearly tied in September — 90 vs 93 on SeasonMap's comfort score. Denver is warm, dry, clean air; Great Sand Dunes National Park is nice, dry, clean air.

Denver vs Great Sand Dunes National Park — September climate, side by side

	🇺🇸 Denver	🇺🇸 Great Sand Dunes National Park
Comfort score	90/100 (S)	93/100 (S)
Feels-like high	27°C	22°C
Avg high / low	29° / 11°	24° / 9°
Rainfall	24 mm	24 mm
Rainy days	3	4
Humidity	46%	46%
Air quality (AQI)	38	37

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

Month by month

Denver vs Great Sand Dunes National Park in September — FAQ

Is September better in Denver or Great Sand Dunes National Park?: Denver and Great Sand Dunes National Park are nearly tied in September — 90 vs 93 on SeasonMap's comfort score. Denver is warm, dry, clean air; Great Sand Dunes National Park is nice, dry, clean air.
What is the weather like in Denver vs Great Sand Dunes National Park in September?: In September, Denver averages 29°C high / 11°C low with about 24 mm of rain; Great Sand Dunes National Park averages 24°C high / 9°C low with about 24 mm.