What is the weather like in Grand Canyon National Park vs White Sands National Park in September?

In September, Grand Canyon National Park averages 35°C high / 19°C low with about 14 mm of rain; White Sands National Park averages 33°C high / 14°C low with about 29 mm.

Grand Canyon National Park vs White Sands National Park in September

White Sands National Park is the better pick in September — 61 vs 52 on SeasonMap's comfort score. White Sands National Park is hot, dry, while Grand Canyon National Park is hot, dry, clean air.

Grand Canyon National Park vs White Sands National Park — September climate, side by side

	🇺🇸 Grand Canyon National Park	🇺🇸 White Sands National Park
Comfort score	52/100 (D)	61/100 (C)
Feels-like high	33°C	32°C
Avg high / low	35° / 19°	33° / 14°
Rainfall	14 mm	29 mm
Rainy days	2	4
Humidity	34%	44%
Air quality (AQI)	38	97

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

Month by month

Grand Canyon National Park vs White Sands National Park in September — FAQ

Is September better in Grand Canyon National Park or White Sands National Park?: White Sands National Park is the better pick in September — 61 vs 52 on SeasonMap's comfort score. White Sands National Park is hot, dry, while Grand Canyon National Park is hot, dry, clean air.
What is the weather like in Grand Canyon National Park vs White Sands National Park in September?: In September, Grand Canyon National Park averages 35°C high / 19°C low with about 14 mm of rain; White Sands National Park averages 33°C high / 14°C low with about 29 mm.