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Flagstaff weather in September 2021
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- 2323°C max day temperature
- 77 days with some rainfall
- 33°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 4949 mm of monthly rainfall
- 99 (Very High) UV index
Recommended for Arizona
The September weather guide for Flagstaff, Arizona 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.
How hot is it in Flagstaff in September?
Daytime temperatures usually reach 23°C in Flagstaff in September, falling to 3°C at night.
How sunny is it in Flagstaff in September?
There are normally 10 hours of bright sunshine each day in Flagstaff in September - that's 79% of daylight hours.
Does it rain in Flagstaff in September?
There are usually 7 days with some rain in Flagstaff in September and the average monthly rainfall is 49mm.
Flagstaff sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Flagstaff in September 2021. Select a month to view Flagstaff sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||05:59||18:53|
|Wednesday, 15th September 2021||06:10||18:33|
|Thursday, 30th September 2021||06:21||18:11|
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Metric (°C / mm) | Imperial (°F / inches)
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Where is hot in Arizona in September for 2021/2022?
Below are average maximum temperatures at popular destinations in Arizona in September. Select a destination to see more weather parameters.
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