Statewide Rankings

Statewide Data Info
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Illinois

Average Temperature Rankings, September 1931

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1931
1-Month
72.0°F
(22.2°C)
66.2°F
(19.0°C)
5.8°F
(3.2°C)
126th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
1925, 1933
Aug–Sep 1931
2-Month
72.7°F
(22.6°C)
69.8°F
(21.0°C)
2.9°F
(1.6°C)
118th Coolest
Coolest since:
1967
11th Warmest
Warmest since:
1936
Jul–Sep 1931
3-Month
74.7°F
(23.7°C)
71.8°F
(22.1°C)
2.9°F
(1.6°C)
125th Coolest
Coolest since:
1967
4th Warmest
Warmest to Date
1936
Jun–Sep 1931
4-Month
74.7°F
(23.7°C)
71.7°F
(22.1°C)
3.0°F
(1.6°C)
126th Coolest
Coolest since:
1915, 1924
3rd Warmest
Warmest to Date
1936
May–Sep 1931
5-Month
71.4°F
(21.9°C)
69.7°F
(20.9°C)
1.7°F
(1.0°C)
106th Coolest
Coolest since:
1924
23rd Warmest
Warmest since:
1936
Ties: 1913, 1955
Apr–Sep 1931
6-Month
68.2°F
(20.1°C)
66.7°F
(19.3°C)
1.5°F
(0.8°C)
105th Coolest
Coolest since:
1907
24th Warmest
Warmest since:
2010
Ties: 1911, 1986, 2002
Mar–Sep 1931
7-Month
63.6°F
(17.6°C)
62.9°F
(17.2°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1924
42nd Warmest
Warmest since:
2012
Ties: 2019
Feb–Sep 1931
8-Month
60.2°F
(15.7°C)
58.7°F
(14.8°C)
1.5°F
(0.9°C)
111th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
2012
Ties: 1953, 1986, 1999, 2002, 2007, 2018
Jan–Sep 1931
9-Month
57.0°F
(13.9°C)
55.0°F
(12.8°C)
2.0°F
(1.1°C)
115th Coolest
Coolest since:
1904, 1912
14th Warmest
Warmest since:
2012
Ties: 1990
Dec 1930–Sep 1931
10-Month
54.3°F
(12.4°C)
52.4°F
(11.3°C)
1.9°F
(1.1°C)
109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 1934, 2006, 2020
Nov 1930–Sep 1931
11-Month
53.1°F
(11.7°C)
51.3°F
(10.7°C)
1.8°F
(1.0°C)
108th Coolest
Coolest since:
1904
20th Warmest
Warmest since:
2012
Ties: 1955, 2021
Oct 1930–Sep 1931
12-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
105th Coolest
Coolest since:
1904
23rd Warmest
Warmest since:
2012
Ties: 1925, 1941, 1953, 2021
Apr 1930–Sep 1931
18-Month
58.2°F
(14.6°C)
56.7°F
(13.7°C)
1.5°F
(0.9°C)
111th Coolest
Coolest since:
1904, 1918
17th Warmest
Warmest since:
2012
Ties: 1942
Oct 1929–Sep 1931
24-Month
52.6°F
(11.4°C)
51.7°F
(10.9°C)
0.9°F
(0.5°C)
99th Coolest
Coolest since:
1979
28th Warmest
Warmest since:
2017
Ties: 1914, 1935, 1953, 2001, 2011
Oct 1928–Sep 1931
36-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
80th Coolest
Coolest since:
1979
46th Warmest
Warmest since:
2018
Ties: 1949, 1974, 1976, 1990, 2010
Oct 1927–Sep 1931
48-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1905
59th Warmest
Warmest since:
2019
Ties: 1916, 1925, 1945, 1950, 1958, 1974
Oct 1926–Sep 1931
60-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
57th Coolest
Coolest since:
1906
67th Warmest
Warmest since:
2020
Ties: 1947, 1953, 1975, 1998

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