Statewide Rankings

Statewide Data Info
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Montana

Average Temperature Rankings, September 1899

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1899
1-Month
56.0°F
(13.3°C)
53.8°F
(12.1°C)
2.2°F
(1.2°C)
95th Coolest
Coolest since:
1965
34th Warmest
Warmest since:
1998
Ties: 1909
Aug–Sep 1899
2-Month
58.2°F
(14.6°C)
59.0°F
(15.0°C)
-0.8°F
(-0.4°C)
41st Coolest
Coolest since:
1965
88th Warmest
Warmest since:
2022
Ties: 1925, 1987, 2004
Jul–Sep 1899
3-Month
60.5°F
(15.8°C)
61.2°F
(16.2°C)
-0.7°F
(-0.4°C)
35th Coolest
Coolest since:
1912
94th Warmest
Warmest since:
2022
Ties: 1904, 1921
Jun–Sep 1899
4-Month
59.4°F
(15.2°C)
60.5°F
(15.8°C)
-1.1°F
(-0.6°C)
25th Coolest
Coolest since:
1993
104th Warmest
Warmest since:
2021
Ties: 1972
May–Sep 1899
5-Month
56.6°F
(13.7°C)
58.4°F
(14.7°C)
-1.8°F
(-1.0°C)
13th Coolest
Coolest since:
1907
116th Warmest
Warmest since:
1936
Ties: 1911
Apr–Sep 1899
6-Month
53.3°F
(11.8°C)
55.5°F
(13.1°C)
-2.2°F
(-1.3°C)
9th Coolest
Coolest since:
1907
120th Warmest
Warmest since:
1936
Mar–Sep 1899
7-Month
48.1°F
(8.9°C)
51.7°F
(10.9°C)
-3.6°F
(-2.0°C)
4th Coolest
Coolest since:
1965
125th Warmest
Warmest since:
2012
Feb–Sep 1899
8-Month
42.9°F
(6.1°C)
47.9°F
(8.8°C)
-5.0°F
(-2.7°C)
1st Coolest
Coolest since:
1899
128th Warmest
Warmest since:
2012, 2016
Jan–Sep 1899
9-Month
40.0°F
(4.4°C)
44.4°F
(6.9°C)
-4.4°F
(-2.5°C)
1st Coolest
Coolest since:
1899
128th Warmest
Warmest since:
2012
Dec 1898–Sep 1899
10-Month
37.9°F
(3.3°C)
42.1°F
(5.6°C)
-4.2°F
(-2.3°C)
2nd Coolest
Coolest since:
1950
126th Warmest
Warmest since:
2012
Nov 1898–Sep 1899
11-Month
36.7°F
(2.6°C)
40.9°F
(4.9°C)
-4.2°F
(-2.3°C)
1st Coolest
Coolest since:
1899
127th Warmest
Warmest since:
2012
Oct 1898–Sep 1899
12-Month
36.8°F
(2.7°C)
41.2°F
(5.1°C)
-4.4°F
(-2.4°C)
1st Coolest
Coolest since:
1899
127th Warmest
Warmest since:
2012
Apr 1898–Sep 1899
18-Month
42.9°F
(6.1°C)
45.9°F
(7.7°C)
-3.0°F
(-1.6°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016
Oct 1897–Sep 1899
24-Month
38.5°F
(3.6°C)
41.2°F
(5.1°C)
-2.7°F
(-1.5°C)
3rd Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2016
Oct 1896–Sep 1899
36-Month
38.9°F
(3.8°C)
41.1°F
(5.1°C)
-2.2°F
(-1.3°C)
3rd Coolest
Coolest since:
1951
123rd Warmest
Warmest since:
2017
Oct 1895–Sep 1899
48-Month
39.2°F
(4.0°C)
41.1°F
(5.1°C)
-1.9°F
(-1.1°C)
2nd Coolest
Coolest since:
1952
123rd Warmest
Warmest to Date
2007, 2017, 2018

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