Contiguous U.S. September 1910 Maximum Temperature Rankings
1901-2000
Degrees Fahrenheit
1
78.51
77.81
0.70
76
54
1965
1998
1909
1908
normal
2
81.50
81.48
0.02
56
74
1965
1998
1908
1909
normal
3
83.55
83.21
0.34
73
57
1912
1936
1909
1901
normal
4
83.14
82.74
0.40
74
56
1915
1936
1909
1901
normal
5
80.99
80.78
0.21
66
64
1915
1936
1909
1901
normal
6
78.73
77.90
0.83
92
38
1907
2012
1909
1910
top-third
7
76.50
74.35
2.15
123
7
1912
2012
1909
1910
top-tenth
2007
8
72.04
70.66
1.38
109
21
1912
2012
1909
1910
top-third
9
68.46
67.30
1.16
100
30
1912
2012
1909
1910
top-third
1938
10
65.09
64.86
0.23
68
61
1912
2012
1909
1908
normal
1919,1989
11
64.29
63.75
0.54
86
43
1912
2012
1909
1900
top-third
2010
12
64.46
64.01
0.45
80
49
1912
2012
1909
1900
normal
1900
18
68.68
68.64
0.04
60
69
1912
2012
1909
1901
normal
1950
24
64.10
64.00
0.10
64
64
1913
2017
1909
1901
normal
36
64.14
63.98
0.16
70
57
1917
2018
1909
1910
normal
48
63.87
63.97
-0.10
53
73
1915
2018
1909
1910
normal
60
63.73
63.96
-0.23
35
90
1907
2016
1909
1910
bottom-third
1980,1983