Flagstaff Weather in September, USA

Flagstaff Averages September

FLAGSTAFF AVERAGES FOR SEPTEMBER

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  What is Average Temperature?

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  The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

  Temperature

  16°C

  62°F
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  What is Average High Low Temperature?

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  The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

  High Temperature

  24°C

  75°F
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  What is Average High Low Temperature?

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  The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

  Low Temperature

  9°C

  49°F
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  What are Average Daily Sunshine Hours?

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  Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

  Sunshine Hours

  11 hours
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  What is Average Rainfall?

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  The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

  Rainfall Days

  27 days
• 

  What is Average Rainfall?

  ---

  The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

  Rainfall

  16.7 mm