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Flagstaff weather in September 2020
- 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
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 2020
Browse the sunrise & sunset times for Flagstaff in September 2020. Select a month to view Flagstaff sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st September 2020||06:00||18:53|
|Tuesday, 15th September 2020||06:10||18:33|
|Wednesday, 30th September 2020||06:21||18:11|
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Metric (°C / mm) | Imperial (°F / inches)
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Where's hot in Arizona in September?
Below are average maximum temperatures at popular destinations in Arizona in September. Select a destination to see more weather parameters.
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