Best time to visit Monument Valley in SeptemberWeather, crowds & prices

September in Monument Valley scores 8.2/10 for nature and wildlife travel - the single best month of the year. Expect around 34°C, 1 mm of rain, and roughly 27 sunny days this month.

Monument Valley's buttes and mesas define the American Southwest—Navajo-guided drives on a cinematic desert stage. Best window: cooler months from late autumn through early spring.