September · United States
Best time to visit Monument Valley in September Weather, crowds & prices
Weather in Monument Valley in September
Average temperature 22°C, 22 mm of rain, about 26 days with 6+ hours of sunshine and 39% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.8/10
Ranked #2 of 12 months
- Avg temp
- 22°C
- Rainfall
- 22 mm
- Humidity
- 39%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Monument Valley scores 9.8/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 22°C, 22 mm of rain, and roughly 26 days with 6+ hours of sunshine 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.
September ranks 2nd of 12 for Monument Valley — one of the best windows
Trail conditions at 22°C (71°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.
With around 22 mm of rain, any showers tend to pass through rather than settle in; about 26 days with 6+ hours of sunshine and 12.2 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Monument Valley at 9.8/10 (2nd of 12), just behind April at 9.8/10.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Monument Valley in September?
- In September, Monument Valley averages 22°C, 22 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is September a good time to visit Monument Valley?
- September earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Monument Valley in September?
- Expect about 22 mm of rain in September. Average humidity is 39% and there are about 26 days with 6+ hours of sunshine.
Curated in Monument Valley
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Monument Valley, United States. Live activities and tours from GetYourGuide, matched to this destination.