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Scottsdale, AZ Weather on September 13

September 13th in Scottsdale, AZ typically brings hot fall weather, with average highs around 101°F and lows near 71°F — a 30°F daily swing. Over 54 years of records, the warmest September 13th was in 2001 (95°F average), while the coldest was 1982 (73°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 6% of September 13th dates historically. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
101°F
Avg Low
71°F
Record High
111°F
1971
Record Low
55°F
1982
Scottsdale, AZ on September 13 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on September 13

Planning for September 13th in Scottsdale, AZ? Stay hydrated and seek shade during peak afternoon hours.

September 13 Weather Records for Scottsdale

  • The all-time record high for September 13th in Scottsdale, AZ is 111°F, set in 1971.
  • The coldest September 13th on record dropped to 55°F in 1982.
  • Temperatures have reached 90°F or higher on September 13th in 51 of the last 54 years.
  • Last year (1971), September 13th was 10°F warmer than the long-term average.

Frequently Asked Questions

What was the warmest September 13 ever in Scottsdale?

The warmest September 13 in Scottsdale, AZ reached 111°F in 1971. That is 10°F above the long-term average high of 101°F.

What was the coldest September 13 ever in Scottsdale?

The coldest September 13 in Scottsdale, AZ dropped to 55°F in 1982. That is 16°F below the long-term average low of 71°F.

What is the average temperature on September 13 in Scottsdale?

On September 13, Scottsdale averages a high of 101°F and a low of 71°F based on 54 years of NOAA weather observations from SCOTTSDALE.

How many years of weather data are available for September 13 in Scottsdale?

We have 54 years of weather records for September 13 in Scottsdale, AZ, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

September 13 Weather History in Scottsdale

YearHighLowPrecipSnow
2025102°F--0"--
202399°F69°F0.08"--
2022--68°F0"--
2021110°F73°F0"--
2020102°F66°F0"--
2019106°F76°F0"--
2018104°F64°F0"--
2017106°F74°F0"--
2016--73°F0"--
2015--78°F0"--
2014101°F69°F0"--
2013101°F72°F0"--
2012100°F66°F0"--
201196°F85°F0"--
2010105°F63°F0"--
2009101°F70°F0"--
200897°F67°F0"--
2007106°F78°F0"--
200699°F72°F0"--
200594°F--0"--
2004104°F80°F0"--
2003102°F71°F0"--
2002101°F72°F0"--
2001106°F85°F0"--
2000106°F77°F0"--
1999105°F79°F0"--
1998103°F78°F0"--
1997102°F81°F0"--
199697°F72°F0"--
1995109°F72°F0"--
199497°F76°F0"--
199393°F66°F0.1"--
199298°F77°F0"--
199196°F65°F0"--
1990102°F78°F0"--
198998°F71°F0"--
198896°F65°F0"--
198799°F75°F0"--
198696°F68°F0"--
198593°F61°F0"--
1984104°F71°F0"--
1983105°F69°F0"--
198291°F55°F0"--
1981103°F60°F0"--
198095°F61°F0"--
1979105°F80°F0.05"--
197897°F61°F0"--
197798°F70°F0"--
197694°F70°F0"--
197598°F64°F0"--
197496°F61°F0"--
1973100°F64°F0"--
1972100°F65°F0"--
1971111°F76°F0"--

Based on 54 years of data from NOAA station: SCOTTSDALE

Monthly Climate Averages

Historical temperature and precipitation averages for Scottsdale, AZ, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 106°F / Low: 76°F
Coldest MonthJanuaryAvg High: 66°F / Low: 37°F
Jan
66°/ 37°
💧 0.2"
Feb
71°/ 41°
💧 0.2"
Mar
75°/ 45°
💧 0.3"
Apr
83°/ 49°
💧 0.2"
May
93°/ 58°
💧 0.1"
Jun
103°/ 67°
💧 0.2"
Jul
106°/ 76°
💧 0.2"
Aug
103°/ 74°
💧 0.2"
Sep
98°/ 67°
💧 0.3"
Oct
86°/ 54°
💧 0.3"
Nov
74°/ 43°
💧 0.3"
Dec
67°/ 37°
💧 0.2"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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