Contiguous U.S. September 1897 Minimum Temperature Rankings
1901-2000
Degrees Fahrenheit
1
52.77
51.90
0.87
86
44
1918
2019
1896
1897
normal
1954
2
55.48
55.48
0.00
53
77
1974
2019
1896
1897
normal
3
57.09
57.16
-0.07
53
77
1924
2022
1896
1897
normal
4
56.64
56.78
-0.14
43
87
1903
2021
1895
1896
bottom-third
5
54.86
54.91
-0.05
47
83
1907,1924
2018
1895
1896
normal
6
52.19
52.20
-0.01
52
78
1907
2018
1895
1896
normal
7
48.78
49.02
-0.24
40
90
1917
2012
1895
1896
bottom-third
8
45.62
45.75
-0.13
50
80
1917
2012
1895
1896
normal
9
42.62
42.86
-0.24
46
84
1917
2012
1895
1896
normal
1922
10
40.89
40.84
0.05
62
67
1917
2016
1897
1896
normal
11
39.73
39.92
-0.19
43
86
1917
2016
1897
1896
bottom-third
12
39.73
40.04
-0.31
36
93
1917
2016
1896
1897
bottom-third
1967
18
44.16
44.09
0.07
62
67
1917
2016
1896
1897
normal
1996
24
39.72
40.04
-0.32
35
93
1918
2017
1897
1897
bottom-third
1963
36
-99
40.02
-99
-99
-99
1918
2017,2018
normal
48
-99
40.01
-99
-99
-99
1918
2018
normal
60
-99
40.00
-99
-99
-99
1920
2019,2020
normal