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 October 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, September 1946

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1946
1-Month
65.6°F
(18.7°C)
66.2°F
(19.0°C)
-0.6°F
(-0.3°C)
48th Coolest Coolest since: 1943 1918
79th Warmest Warmest since: 1945 1925, 1933
Ties: 1914, 1952, 1956, 2020
Aug–Sep 1946
2-Month
67.6°F
(19.8°C)
69.8°F
(21.0°C)
-2.2°F
(-1.2°C)
12th Coolest Coolest since: 1924 1967
115th Warmest Warmest since: 1945 1936
Ties: 1917
Jul–Sep 1946
3-Month
70.3°F
(21.3°C)
71.8°F
(22.1°C)
-1.5°F
(-0.8°C)
20th Coolest Coolest since: 1924 1967
107th Warmest Warmest since: 1945 1936
Jun–Sep 1946
4-Month
70.6°F
(21.4°C)
71.7°F
(22.1°C)
-1.1°F
(-0.7°C)
30th Coolest Coolest since: 1945 1915, 1924
97th Warmest Warmest since: 1944 1936
Ties: 1896, 1965
May–Sep 1946
5-Month
68.2°F
(20.1°C)
69.7°F
(20.9°C)
-1.5°F
(-0.8°C)
17th Coolest Coolest since: 1945 1924
110th Warmest Warmest since: 1944 1936
Ties: 1951
Apr–Sep 1946
6-Month
66.0°F
(18.9°C)
66.7°F
(19.3°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1945 1907
94th Warmest Warmest since: 1944 2010
Ties: 1975, 1984, 1990, 1993
Mar–Sep 1946
7-Month
63.9°F
(17.7°C)
62.9°F
(17.2°C)
1.0°F
(0.5°C)
98th Coolest Coolest since: 1945 1924
29th Warmest Warmest since: 1941 2012
Ties: 1914, 1939, 1953, 2000
Feb–Sep 1946
8-Month
60.0°F
(15.6°C)
58.7°F
(14.8°C)
1.3°F
(0.8°C)
100th Coolest Coolest since: 1945 1904
27th Warmest Warmest since: 1938 2012
Ties: 1988
Jan–Sep 1946
9-Month
56.5°F
(13.6°C)
55.0°F
(12.8°C)
1.5°F
(0.8°C)
102nd Coolest Coolest since: 1945 1904, 1912
25th Warmest Warmest since: 1939 2012
Ties: 1939
Dec 1945–Sep 1946
10-Month
53.1°F
(11.7°C)
52.4°F
(11.3°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1945 1904
47th Warmest Warmest since: 1944 2012
Ties: 1990, 1992
Nov 1945–Sep 1946
11-Month
52.0°F
(11.1°C)
51.4°F
(10.8°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1945 1904
40th Warmest Warmest since: 1942 2012
Ties: 1896, 1930, 1986, 2013
Oct 1945–Sep 1946
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1945 1904
51st Warmest Warmest since: 1944 2012
Ties: 1901, 1944, 1959, 1985, 1992, 2013, 2019
Apr 1945–Sep 1946
18-Month
56.3°F
(13.5°C)
56.6°F
(13.7°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1940 1904, 1918
84th Warmest Warmest since: 1945 2012
Ties: 1960, 1961
Oct 1944–Sep 1946
24-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1945 1979
74th Warmest Warmest since: 1945 2017
Ties: 1945, 1964, 1975, 1977, 1983, 1990, 1996
Oct 1943–Sep 1946
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1945 1979
57th Warmest Warmest since: 1944 2018
Ties: 1898, 1911, 1966, 1975
Oct 1942–Sep 1946
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1930 1905
71st Warmest Warmest since: 1945 2019
Ties: 1914, 1977
Oct 1941–Sep 1946
60-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 1944 1906
53rd Warmest Warmest since: 1945 2020
Ties: 1944, 1950, 1959

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2020, retrieved on November 23, 2020 from https://www.ncdc.noaa.gov/cag/