Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2020. For more information, please see Climatological Rankings.


Montana

Average Temperature Rankings, September 1921

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1921
1-Month
49.9°F
(9.9°C)
53.8°F
(12.1°C)
-3.9°F
(-2.2°C)
13th Coolest Coolest since: 1915 1965
114th Warmest Warmest since: 1920 1998
Ties: 1915
Aug–Sep 1921
2-Month
57.6°F
(14.2°C)
59.0°F
(15.0°C)
-1.4°F
(-0.8°C)
30th Coolest Coolest since: 1916 1965
97th Warmest Warmest since: 1920 1998
Ties: 1924, 1959
Jul–Sep 1921
3-Month
60.5°F
(15.8°C)
61.2°F
(16.2°C)
-0.7°F
(-0.4°C)
35th Coolest Coolest since: 1918 1912
92nd Warmest Warmest since: 1920 1998
Ties: 1899, 1904
Jun–Sep 1921
4-Month
61.0°F
(16.1°C)
60.5°F
(15.8°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1918 1993
46th Warmest Warmest since: 1920 1936
Ties: 1949, 1981, 2014
May–Sep 1921
5-Month
58.8°F
(14.9°C)
58.5°F
(14.7°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1920 1907
56th Warmest Warmest since: 1919 1936
Apr–Sep 1921
6-Month
55.5°F
(13.1°C)
55.5°F
(13.1°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1920 1907
69th Warmest Warmest since: 1919 1936
Ties: 1947, 1956, 1992, 1996, 2011, 2019
Mar–Sep 1921
7-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
61st Coolest Coolest since: 1920 1965
66th Warmest Warmest since: 1919 2012
Ties: 1901, 1952, 1960
Feb–Sep 1921
8-Month
48.9°F
(9.4°C)
48.0°F
(8.9°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 1920 1899
40th Warmest Warmest since: 1910 2012, 2016
Ties: 1980, 1986
Jan–Sep 1921
9-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
94th Coolest Coolest since: 1920 1899
33rd Warmest Warmest since: 1919 2012
Ties: 1941, 1999
Dec 1920–Sep 1921
10-Month
43.7°F
(6.5°C)
42.1°F
(5.6°C)
1.6°F
(0.9°C)
93rd Coolest Coolest since: 1920 1950
33rd Warmest Warmest since: 1919 2012
Ties: 1977
Nov 1920–Sep 1921
11-Month
42.3°F
(5.7°C)
40.9°F
(4.9°C)
1.4°F
(0.8°C)
93rd Coolest Coolest since: 1920 1899
33rd Warmest Warmest since: 1919 2012
Oct 1920–Sep 1921
12-Month
42.4°F
(5.8°C)
41.2°F
(5.1°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 1920 1899
31st Warmest Warmest since: 1919 2012
Ties: 1926, 1946, 1953, 1977, 2020
Apr 1920–Sep 1921
18-Month
46.4°F
(8.0°C)
45.9°F
(7.7°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1920 1917
45th Warmest Warmest since: 1919 2016
Ties: 1900, 1937, 1944, 1967, 1983
Oct 1919–Sep 1921
24-Month
40.4°F
(4.7°C)
41.1°F
(5.1°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1918 1917
94th Warmest Warmest since: 1920 2016
Ties: 1949, 1986
Oct 1918–Sep 1921
36-Month
41.3°F
(5.2°C)
41.1°F
(5.1°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 1920 1951
66th Warmest Warmest since: 1902 2017
Ties: 1927, 1943, 1948, 1954, 1984, 1995, 2020
Oct 1917–Sep 1921
48-Month
41.2°F
(5.1°C)
41.1°F
(5.1°C)
0.1°F
(0.0°C)
66th Coolest Coolest since: 1920 1952
57th Warmest Warmest to Date 2007, 2017, 2018
Ties: 1939, 1948, 1955, 1956, 1960, 1962
Oct 1916–Sep 1921
60-Month
40.4°F
(4.7°C)
41.0°F
(5.0°C)
-0.6°F
(-0.3°C)
20th Coolest Coolest since: 1920 1952
102nd Warmest Warmest since: 1912 2016
Ties: 1902, 1912, 1969, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/