National Weather Service United States Department of Commerce
September 2021 Review
Updated: 3:00 am October 1, 2021
  Phoenix, AZ Yuma, AZ
  2021 Normal
1991-2020
Record
1895-2021
2021 Normal
1991-2020
Record
1876-2021
Average High
Temperature
100.1 °F
Tied 34th Warmest
100.4 °F Warmest
104.6 °F in 2001

Coolest
93.6 °F in 1900
102.3 °F
Tied 46th Warmest
101.4 °F Warmest
108.5 °F in  1956

Coolest
93.9 °F in 1976
Average
Temperature
89.2 °F
Tied 19th Warmest
89.2 °F Warmest
92.2 °F in 2001

Coolest
78.9 °F in 1912
90.4 °F
Tied 20th Warmest
89.5 °F Warmest
92.2 °F in 1995

Coolest
79.9 °F in 1920
Average Low
Temperature
78.4 °F
15th Warmest
78.1 °F Warmest
80.6 °F in 1983

Coolest
63.6 °F in 1965
78.4 °F
12th Warmest
77.6 °F Warmest
81.0 °F in 2014

Coolest
63.9 °F in 1920
Precipitation 0.76"
45th Wettest
0.57" Wettest
5.41" in 1939
Trace
  Tied Driest
0.68" Wettest
5.14" in 1997
Daily
Records
Phoenix Daily Records for September 2021

 

111 °F on Sep 9
Set Record High

 

 

Yuma Daily Records for  September 2021

 

85 °F on Sep 17
Tied Record Warm Low

 

 

 

El Centro, CA

  2021 Normal
1991-2020
Record
1925-2021
Average High
Temperature

102.5 °F
Tied 35th Warmest

102.2 °F

Warmest
106.4 °F in 1956

Coolest
92.1 °F in 1976

Average
Temperature

88.7 °F
14th Warmest

87.2 °F

Warmest
90.7 °F in 2015

Coolest
79.2 °F in 1941

Average Low
Temperature

74.9 °F
9th Warmest

72.2 °F

Warmest
78.1 °F in 1983

Coolest
62.2 °F in 1941

Precipitation

Missing
  Missing

0.18"

Wettest
3.00" in 1976
Daily
Records

El Centro Daily Records for September 2021

84 °F on Sep 8
Tied Record Warm Low