Flagstaff September Weather Averages

Arizona, United States of America

September Weather Averages for Flagstaff

High Temp24°C75°F
Low Temp13°C55°F
Avg Temp18°C64°F
Sunshine Hours284 hours 
Rainfall62.63 mm2.47 In
Rain days8 days 
Pressure1014 mb30 In

 

Flagstaff September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200924°C / 76°F12°C / 54°F18°C / 64°F299 hours65.40 mm / 2.57 In14 days1015 mb / 30 In
201026°C / 79°F12°C / 53°F18°C / 65°F332 hours14.10 mm / 0.56 In2 days1013 mb / 30 In
201124°C / 75°F13°C / 55°F18°C / 65°F279 hours79.92 mm / 3.15 In11 days1015 mb / 30 In
201223°C / 74°F13°C / 55°F18°C / 64°F296 hours74.60 mm / 2.94 In11 days1016 mb / 30 In
201322°C / 72°F12°C / 53°F17°C / 62°F283 hours102.72 mm / 4.04 In11 days1012 mb / 30 In
201423°C / 74°F13°C / 56°F18°C / 64°F276 hours71.32 mm / 2.81 In11 days1013 mb / 30 In
201524°C / 76°F14°C / 56°F19°C / 66°F272 hours47.10 mm / 1.85 In10 days1013 mb / 30 In
201622°C / 71°F11°C / 52°F16°C / 61°F276 hours109.76 mm / 4.32 In11 days1015 mb / 30 In
201722°C / 72°F12°C / 54°F17°C / 63°F316 hours50.00 mm / 1.97 In9 days1013 mb / 30 In
201824°C / 76°F15°C / 58°F19°C / 67°F317 hours54.86 mm / 2.16 In10 days1013 mb / 30 In
201923°C / 73°F13°C / 56°F18°C / 64°F296 hours46.99 mm / 1.85 In10 days1013 mb / 30 In
202026°C / 79°F13°C / 55°F19°C / 67°F342 hours3.60 mm / 0.14 In1 days1015 mb / 30 In
202125°C / 77°F14°C / 56°F19°C / 66°F276 hours69.64 mm / 2.74 In9 days1016 mb / 30 In
202224°C / 76°F14°C / 58°F19°C / 66°F251 hours71.70 mm / 2.82 In9 days1016 mb / 30 In
202323°C / 74°F12°C / 53°F17°C / 63°F297 hours22.27 mm / 0.88 In2 days1016 mb / 30 In
202424°C / 75°F14°C / 58°F19°C / 65°F310 hours7.93 mm / 0.31 In1 days1015 mb / 30 In
202522°C / 72°F14°C / 57°F18°C / 64°F261 hours158.90 mm / 6.26 In4 days1017 mb / 30 In
202622°C / 71°F12°C / 53°F16°C / 61°F135 hours76.60 mm / 3.02 In16 days1016 mb / 30 In

Need more than one day of Flagstaff history?

Download historical weather for Flagstaff, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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Flagstaff weather history: common questions

How far back does Flagstaff weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Flagstaff historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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