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 1917

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1917
1-Month
55.2°F
(12.9°C)
53.8°F
(12.1°C)
1.4°F
(0.8°C)
84th Coolest Coolest since: 1916 1965
43rd Warmest Warmest since: 1909 1998
Ties: 2017
Aug–Sep 1917
2-Month
59.2°F
(15.1°C)
59.0°F
(15.0°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1916 1965
61st Warmest Warmest since: 1913 1998
Ties: 1933
Jul–Sep 1917
3-Month
62.4°F
(16.9°C)
61.2°F
(16.2°C)
1.2°F
(0.7°C)
89th Coolest Coolest since: 1916 1912
38th Warmest Warmest since: 1905 1998
Ties: 1905, 1976, 1997
Jun–Sep 1917
4-Month
60.7°F
(15.9°C)
60.4°F
(15.8°C)
0.3°F
(0.1°C)
62nd Coolest Coolest since: 1916 1993
65th Warmest Warmest since: 1909 1936
Ties: 1987
May–Sep 1917
5-Month
58.1°F
(14.5°C)
58.5°F
(14.7°C)
-0.4°F
(-0.2°C)
46th Coolest Coolest since: 1916 1907
81st Warmest Warmest since: 1914 1936
Ties: 1898, 1953
Apr–Sep 1917
6-Month
54.4°F
(12.4°C)
55.5°F
(13.1°C)
-1.1°F
(-0.7°C)
24th Coolest Coolest since: 1916 1907
103rd Warmest Warmest since: 1914 1936
Ties: 1920, 1953
Mar–Sep 1917
7-Month
49.5°F
(9.7°C)
51.7°F
(10.9°C)
-2.2°F
(-1.2°C)
9th Coolest Coolest since: 1912 1965
118th Warmest Warmest since: 1916 2012
Ties: 1896
Feb–Sep 1917
8-Month
44.9°F
(7.2°C)
47.9°F
(8.8°C)
-3.0°F
(-1.6°C)
5th Coolest Coolest since: 1912 1899
122nd Warmest Warmest since: 1916 2012, 2016
Ties: 1912
Jan–Sep 1917
9-Month
41.4°F
(5.2°C)
44.5°F
(6.9°C)
-3.1°F
(-1.7°C)
6th Coolest Coolest since: 1916 1899
121st Warmest Warmest since: 1915 2012
Ties: 1912
Dec 1916–Sep 1917
10-Month
38.2°F
(3.4°C)
42.0°F
(5.6°C)
-3.8°F
(-2.2°C)
3rd Coolest Coolest since: 1899 1950
123rd Warmest Warmest since: 1916 2012
Nov 1916–Sep 1917
11-Month
37.3°F
(2.9°C)
41.0°F
(5.0°C)
-3.7°F
(-2.1°C)
2nd Coolest Coolest since: 1899 1899
124th Warmest Warmest since: 1916 2012
Oct 1916–Sep 1917
12-Month
37.4°F
(3.0°C)
41.1°F
(5.1°C)
-3.7°F
(-2.1°C)
2nd Coolest Coolest since: 1899 1899
124th Warmest Warmest since: 1916 2012
Apr 1916–Sep 1917
18-Month
42.8°F
(6.0°C)
45.9°F
(7.7°C)
-3.1°F
(-1.7°C)
1st Coolest Coolest to Date 1917
125th Warmest Warmest since: 1916 2016
Oct 1915–Sep 1917
24-Month
38.2°F
(3.4°C)
41.1°F
(5.1°C)
-2.9°F
(-1.7°C)
1st Coolest Coolest to Date 1917
124th Warmest Warmest since: 1916 2016
Oct 1914–Sep 1917
36-Month
39.0°F
(3.9°C)
41.1°F
(5.1°C)
-2.1°F
(-1.2°C)
4th Coolest Coolest since: 1899 1951
120th Warmest Warmest since: 1916 2017
Oct 1913–Sep 1917
48-Month
39.7°F
(4.3°C)
41.1°F
(5.1°C)
-1.4°F
(-0.8°C)
5th Coolest Coolest since: 1899 1952
118th Warmest Warmest since: 1916 2007, 2017, 2018
Ties: 1950, 1953
Oct 1912–Sep 1917
60-Month
39.8°F
(4.3°C)
41.1°F
(5.1°C)
-1.3°F
(-0.8°C)
4th Coolest Coolest to Date 1952
118th Warmest Warmest since: 1916 2016
Ties: 1920

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/