Billings, Montana September 1979 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
63.9
61.3
2.6
62
15
1965
2022
1978
1966
top-third
2
66.9
66.5
0.4
54
23
1965
2022
1978
1969
top-third
3
68.5
68.7
-0.2
48
29
1993
2022
1978
1976
normal
1988,2016
4
67.7
67.7
0.0
52
25
1993
2021
1978
1961
top-third
1991
5
64.7
65.2
-0.5
46
31
1965
2021
1978
1966
normal
1949,1966,1997,2008
6
61.0
62.0
-1.0
37
40
1950
2012
1978
1977
normal
2018
7
57.4
58.5
-1.1
38
39
1965
2012
1978
1977
normal
1948
8
52.4
54.9
-2.5
15
62
1965
2012
1978
1977
bottom-third
9
47.4
51.8
-4.4
6
71
1950
2012
1978
1977
bottom-tenth
1969
10
44.2
49.3
-5.1
4
72
1950
2012
1978
1977
bottom-tenth
11
42.4
48.1
-5.7
2
74
1965
2012
1965
1978
bottom-tenth
12
43.0
48.1
-5.1
1
75
1965,1979
2012
1965
1978
lowest
1965
18
48.6
52.7
-4.1
2
74
1951
2016
1951
1978
bottom-tenth
24
43.2
48.1
-4.9
1
74
1979
2016
1979
1978
lowest
36
44.8
48.1
-3.3
3
71
1951
2017
1952
1978
bottom-tenth
1980
48
45.5
48.1
-2.6
7
66
1952
2015
1975
1978
bottom-tenth
1975
60
45.3
48.2
-2.9
5
67
1953
2016
1973
1978
bottom-tenth