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Monument Valley weather in September 2025
Expect 28°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Monument Valley in September. Check more long-term weather averages for Monument Valley in September before you book your next holiday to Arizona in 2025/2026.
- 2828°C max day temperature
- 10 hours of sunshine per day
- 66 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 2121 mm of monthly rainfall
- 88 (Very High) UV index
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Monument Valley by month
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Recommended for Arizona
The September weather guide for Arizona (Monument Valley) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Arizona
How hot is it in Monument Valley in September?
Daytime temperatures usually reach 28°C in Monument Valley in September with low heat and humidity, falling to 9°C at night.
How sunny is it in Monument Valley in September?
There are normally 10 hours of bright sunshine each day in Monument Valley in September - that's 81% of daylight hours.
Does it rain in Monument Valley in September?
There are usually 6 days with some rain in Monument Valley in September and the average monthly rainfall is 21mm.
Monument Valley September sunrise & sunset times
Browse the sunrise and sunset times for Monument Valley in September 2025. Select a month to view Monument Valley sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:52 | 18:49 |
Monday, 15th September 2025 | 06:03 | 18:28 |
Tuesday, 30th September 2025 | 06:16 | 18:05 |
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