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Flagstaff weather in September 2023
- 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 Arizona (Flagstaff) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Arizona
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 September sunrise & sunset times
Browse the sunrise and sunset times for Flagstaff in September 2023. Select a month to view Flagstaff sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||05:59||18:54|
|Friday, 15th September 2023||06:09||18:34|
|Saturday, 30th September 2023||06:21||18:12|
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