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 March 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, September 1938

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1938
1-Month
67.9°F
(19.9°C)
66.2°F
(19.0°C)
1.7°F
(0.9°C)
89th Coolest Coolest since: 1937 1918
38th Warmest Warmest since: 1936 1925, 1933
Ties: 1948, 1959, 1990
Aug–Sep 1938
2-Month
72.2°F
(22.3°C)
69.8°F
(21.0°C)
2.4°F
(1.3°C)
109th Coolest Coolest since: 1937 1967
18th Warmest Warmest since: 1936 1936
Ties: 1941, 1960, 2002, 2019
Jul–Sep 1938
3-Month
73.6°F
(23.1°C)
71.7°F
(22.1°C)
1.9°F
(1.0°C)
106th Coolest Coolest since: 1937 1967
21st Warmest Warmest since: 1936 1936
Ties: 1916, 1925, 1947
Jun–Sep 1938
4-Month
72.6°F
(22.6°C)
71.6°F
(22.0°C)
1.0°F
(0.6°C)
89th Coolest Coolest since: 1937 1915, 1924
38th Warmest Warmest since: 1936 1936
Ties: 1895, 1897, 1922, 1978
May–Sep 1938
5-Month
70.5°F
(21.4°C)
69.7°F
(20.9°C)
0.8°F
(0.5°C)
85th Coolest Coolest since: 1937 1924
42nd Warmest Warmest since: 1936 1936
Ties: 1919
Apr–Sep 1938
6-Month
67.6°F
(19.8°C)
66.7°F
(19.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1937 1907
44th Warmest Warmest since: 1936 2010
Ties: 1906, 1939, 1970
Mar–Sep 1938
7-Month
64.7°F
(18.2°C)
62.8°F
(17.1°C)
1.9°F
(1.1°C)
113th Coolest Coolest since: 1937 1924
14th Warmest Warmest since: 1936 2012
Ties: 1933, 1934, 1986, 2005
Feb–Sep 1938
8-Month
61.3°F
(16.3°C)
58.7°F
(14.8°C)
2.6°F
(1.5°C)
119th Coolest Coolest since: 1937 1904
8th Warmest Warmest since: 1921 2012
Jan–Sep 1938
9-Month
57.4°F
(14.1°C)
54.9°F
(12.7°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 1937 1904, 1912
10th Warmest Warmest since: 1933 2012
Ties: 1954, 2006
Dec 1937–Sep 1938
10-Month
54.4°F
(12.4°C)
52.5°F
(11.4°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1937 1904
17th Warmest Warmest since: 1933 2012
Ties: 1919, 2020
Nov 1937–Sep 1938
11-Month
52.8°F
(11.6°C)
51.4°F
(10.8°C)
1.4°F
(0.8°C)
98th Coolest Coolest since: 1937 1904
28th Warmest Warmest since: 1934 2012
Oct 1937–Sep 1938
12-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1937 1904
33rd Warmest Warmest since: 1934 2012
Ties: 1922, 2004
Apr 1937–Sep 1938
18-Month
57.4°F
(14.1°C)
56.7°F
(13.7°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1936 1904, 1918
37th Warmest Warmest since: 1937 2012
Ties: 1941, 2008
Oct 1936–Sep 1938
24-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
81st Coolest Coolest since: 1937 1979
44th Warmest Warmest since: 1935 2017
Ties: 1901
Oct 1935–Sep 1938
36-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1937 1979
54th Warmest Warmest since: 1936 2018
Ties: 1950, 1973
Oct 1934–Sep 1938
48-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
73rd Coolest Coolest since: 1937 1905
50th Warmest Warmest since: 1937 2019
Ties: 1921, 1937, 1943, 1975, 1994, 2016
Oct 1933–Sep 1938
60-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
78th Coolest Coolest since: 1937 1906
44th Warmest Warmest since: 1937 2020
Ties: 1937, 1945, 1954, 1993, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 16, 2021 from https://www.ncdc.noaa.gov/cag/