Flagstaff weather in September 2019

  • 23°C maximum daytime temperature in September in Flagstaff23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in September in Flagstaff7
    7 days with some rainfall
  • 3°C minimum night-time temperature in September in Flagstaff3
    3°C min night temperature
  • 12 hours of daylight per day in September in Flagstaff12
    12 hours of daylight per day
  • No heat & humidity in September in Flagstaff0
    No heat & humidity
  • 49 mm monthly rainfall in September in Flagstaff49
    49 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Flagstaff9
    9 (Very High) UV index

Going to Flagstaff? Find the best month to visit Flagstaff based on the weather.

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Expect 23°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Flagstaff in September. Check more long-term weather averages for Flagstaff in September before you book your next holiday to Arizona in 2019/2020.

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More about Flagstaff

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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.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Flagstaff weather in September

The average maximum daytime temperature in Flagstaff in September is a warm 23°C (73°F). The average night-time temperature is usually a cold 3°C (37°F). There are usually 10 hours of bright sunshine each day, which represents 79% of the 12 hours of daylight.

Expect 49mm (1.9 inches) of rainfall across the whole of September with 7 days with some rain falling. Maximum UV levels will be very high (9 UV index) at midday when the skies are clear.

Flagstaff sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Flagstaff in September 2019. Select a month to view Flagstaff sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 05:59 18:54
Monday, 2nd September 2019 06:00 18:52
Tuesday, 3rd September 2019 06:00 18:51
Wednesday, 4th September 2019 06:01 18:49
Thursday, 5th September 2019 06:02 18:48
Friday, 6th September 2019 06:03 18:47
Saturday, 7th September 2019 06:03 18:45
Sunday, 8th September 2019 06:04 18:44
Monday, 9th September 2019 06:05 18:42
Tuesday, 10th September 2019 06:06 18:41
Wednesday, 11th September 2019 06:06 18:40
Thursday, 12th September 2019 06:07 18:38
Friday, 13th September 2019 06:08 18:37
Saturday, 14th September 2019 06:09 18:35
Sunday, 15th September 2019 06:09 18:34
Monday, 16th September 2019 06:10 18:32
Tuesday, 17th September 2019 06:11 18:31
Wednesday, 18th September 2019 06:11 18:29
Thursday, 19th September 2019 06:12 18:28
Friday, 20th September 2019 06:13 18:26
Saturday, 21st September 2019 06:14 18:25
Sunday, 22nd September 2019 06:14 18:24
Monday, 23rd September 2019 06:15 18:22
Tuesday, 24th September 2019 06:16 18:21
Wednesday, 25th September 2019 06:17 18:19
Thursday, 26th September 2019 06:17 18:18
Friday, 27th September 2019 06:18 18:16
Saturday, 28th September 2019 06:19 18:15
Sunday, 29th September 2019 06:20 18:13
Monday, 30th September 2019 06:20 18:12
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