National Weather Service United States Department of Commerce

 

Extremes (1896-2023)

Record High: 112 on Sept 3 1945
Record Low: 61 on Sept 4 1961
Coolest High: 89 on Sept 6 1909 and Sept 4 1939
Warmest Low: 91 on Sept 5 2011
Record Rainfall: 2.91 inches on Sept 4 1939

 

Averages (1991-2020)

Average High: 103 to 104 degrees
Average Low: 81 to 82 degrees
Average Rainfall: 0.02 to 0.03 inches
Trace or more of rain: 24 of 128 years

 

Historical Phoenix Labor Day Weather (1896-present)

Year
Date
High
Low
Rain
2023
9/4
105
86
0
2022
9/5
109
88
0
2021
9/6
105
82
0
2020
9/7
109
85
0
2019
9/2
106
85
0
2018
9/3
99
74
0.19
2017
9/4
104
82
0
2016
9/5
103
75
0
2015
9/7
98
85
T
2014
9/1
108
81
0
2013
9/2
103
87
T
2012
9/3
104
88
0
2011
9/5
106
91
T
2010
9/6
105
87
0
2009
9/7
101
81
0
2008
9/1
96
78
0
2007
9/3
109
88
0
2006
9/4
97
79
0
2005
9/5
104
84
0
2004
9/6
102
74
0
2003
9/1
108
89
0
2002
9/2
108
86
0
2001
9/3
108
82
0
2000
9/4
104
74
0
1999
9/6
105
77
0
1998
9/7
105
80
T
1997
9/1
95
81
T
1996
9/2
98
70
0.06
1995
9/4
109
83
0
1994
9/5
100
75
0
1993
9/6
104
81
0
1992
9/7
105
76
0
1991
9/2
104
80
0
1990
9/3
104
75
0.03
1989
9/4
105
79
0
1988
9/5
100
83
0
1987
9/7
102
76
0
1986
9/1
102
81
0
1985
9/2
103
81
0
1984
9/3
105
80
0
1983
9/5
104
85
0
1982
9/6
110
82
0
1981
9/7
100
73
0
1980
9/1
101
72
0
1979
9/3
107
77
0
1978
9/4
101
83
0
1977
9/5
107
87
T
1976
9/6
90
69
0
1975
9/1
102
80
0
1974
9/2
103
82
0
1973
9/3
103
67
0
1972
9/4
105
77
0
1971
9/6
106
76
0
1970
9/7
93
72
0
1969
9/1
107
82
0
1968
9/2
102
77
0
1967
9/4
95
73
0
1966
9/5
102
71
0
1965
9/6
95
68
0
1964
9/7
98
70
0
1963
9/2
99
74
0
1962
9/3
103
68
0
1961
9/4
94
61
0
1960
9/5
95
79
0
1959
9/7
105
72
0
1958
9/1
107
83
0
1957
9/2
99
71
0
1956
9/3
104
68
0
1955
9/5
105
74
0
1954
9/6
99
76
0
1953
9/7
106
76
0
1952
9/1
108
77
0
1951
9/3
98
68
0
1950
9/4
98
82
T
1949
9/5
103
78
0
1948
9/6
105
74
0
1947
9/1
111
80
0
1946
9/2
103
70
0
1945
9/3
112
78
0
1944
9/4
103
74
0
1943
9/6
104
72
0
1942
9/7
101
68
0
1941
9/1
103
72
0
1940
9/2
94
72
T
1939
9/4
89
70
2.91
1938
9/5
102
76
0
1937
9/6
101
76
0.11
1936
9/7
107
71
0
1935
9/2
95
72
T
1934
9/3
108
79
0
1933
9/4
108
81
0
1932
9/5
107
78
0
1931
9/7
107
77
0
1930
9/1
99
78
0
1929
9/2
91
73
0.15
1928
9/3
104
75
0
1927
9/5
104
74
0
1926
9/6
98
71
0.04
1925
9/7
102
67
0
1924
9/1
104
79
0
1923
9/3
100
75
0
1922
9/4
97
68
0
1921
9/5
102
63
0
1920
9/6
95
71
0
1919
9/1
98
75
T
1918
9/2
98
69
0.32
1917
9/3
105
75
0
1916
9/4
101
74
0
1915
9/6
98
71
0
1914
9/7
98
72
0
1913
9/1
94
71
T
1912
9/2
93
72
0.02
1911
9/4
99
74
0.01
1910
9/5
101
69
0
1909
9/6
89
68
0
1908
9/7
92
69
0.3
1907
9/2
100
72
0
1906
9/3
98
66
0
1905
9/4
96
75
T
1904
9/5
97
71
0
1903
9/7
97
73
0
1902
9/1
104
69
0
1901
9/2
100
72
0
1900
9/3
94
68
T
1899
9/4
103
72
0
1898
9/5
100
75
0
1897
9/6
101
78
0
1896
9/7
99
80
0