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Weather on September 26

Flagstaff, AZ

55 Years of Data

Avg High
72°F
Avg Low
39°F
Warmest
2020
64°F avg
Coldest
1986
46°F avg

About This Date

September 26th in Flagstaff, AZ typically brings pleasant fall weather, with average highs around 72°F and lows near 39°F — a 33°F daily swing. Over 55 years of records, the warmest September 26th was in 2020 (64°F average), while the coldest was 1986 (46°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 26th dates historically, with the wettest September 26th recording 1.35" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for September 26th in Flagstaff, AZ? Great weather for outdoor activities.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202559°46°53°0.38"
202484°45°64°
202378°35°57°
202275°39°57°
202157°45°51°0.11"
2020warmest78°50°64°
201963°43°53°0.14"
201878°39°59°
201763°28°46°
201669°44°57°
201577°40°58°
201474°46°60°0.54"
201364°39°52°0.18"
201271°35°53°
201171°38°54°
201080°39°60°
200979°35°57°
200878°43°60°
200770°30°50°
200674°35°54°
200577°37°57°
200469°32°51°
200382°34°58°
200274°43°58°
200181°38°59°
200068°39°54°0.24"
199977°48°63°
199864°34°49°
199763°49°56°1.35"
199668°41°55°
199571°44°58°
199476°40°58°
199375°30°53°
199277°34°55°
199181°44°62°
199074°40°57°
198979°46°62°
198873°37°55°
198771°40°55°0.01"
1986coldest56°36°46°0.01"
198575°33°54°
198459°45°52°0.57"
198373°40°56°
198274°43°58°0.82"
198172°36°54°
198072°44°58°
197975°40°57°
197874°40°57°
197777°43°60°
197663°40°51°0.03"
197573°33°53°
197474°43°58°0.03"
197363°40°51°
197267°31°49°
197164°40°52°
55 years of data from FLAGSTAFF AP

Flagstaff, AZ Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Flagstaff, AZ Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"0.2"0.4"JFMAMJJASOND3.5"0"
Rain (in) Snow (in)

Flagstaff, AZ Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Flagstaff, AZ

Most pleasant months in Flagstaff, AZ: May, June, July, August, September.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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