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


Illinois

Average Temperature Rankings, September 1956

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1956
1-Month
65.6°F
(18.7°C)
66.2°F
(19.0°C)
-0.6°F
(-0.3°C)
48th Coolest Coolest since: 1952 1918
78th Warmest Warmest since: 1955 1925, 1933
Ties: 1914, 1946, 1952
Aug–Sep 1956
2-Month
69.8°F
(21.0°C)
69.8°F
(21.0°C)
0.0°F
(0.0°C)
64th Coolest Coolest since: 1952 1967
62nd Warmest Warmest since: 1955 1936
Ties: 1940
Jul–Sep 1956
3-Month
71.2°F
(21.8°C)
71.8°F
(22.1°C)
-0.6°F
(-0.3°C)
46th Coolest Coolest since: 1951 1967
80th Warmest Warmest since: 1955 1936
Ties: 1910
Jun–Sep 1956
4-Month
71.7°F
(22.1°C)
71.6°F
(22.0°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1951 1915, 1924
67th Warmest Warmest since: 1955 1936
Ties: 1970, 1984, 2006
May–Sep 1956
5-Month
70.2°F
(21.2°C)
69.8°F
(21.0°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1951 1924
50th Warmest Warmest since: 1955 1936
Ties: 1962, 1978, 1995
Apr–Sep 1956
6-Month
66.7°F
(19.3°C)
66.7°F
(19.3°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1951 1907
69th Warmest Warmest since: 1955 2010
Ties: 1963, 2013
Mar–Sep 1956
7-Month
62.9°F
(17.2°C)
62.9°F
(17.2°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1951 1924
69th Warmest Warmest since: 1955 2012
Ties: 1918, 1949, 1957, 1981
Feb–Sep 1956
8-Month
58.9°F
(14.9°C)
58.6°F
(14.8°C)
0.3°F
(0.1°C)
71st Coolest Coolest since: 1951 1904
55th Warmest Warmest since: 1955 2012
Ties: 1942
Jan–Sep 1956
9-Month
55.2°F
(12.9°C)
54.9°F
(12.7°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1951 1904, 1912
58th Warmest Warmest since: 1955 2012
Ties: 1981
Dec 1955–Sep 1956
10-Month
52.4°F
(11.3°C)
52.4°F
(11.3°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1951 1904
67th Warmest Warmest since: 1955 2012
Ties: 1901, 1906, 1935, 1959, 1964, 1972
Nov 1955–Sep 1956
11-Month
51.0°F
(10.6°C)
51.4°F
(10.8°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1951 1904
80th Warmest Warmest since: 1955 2012
Ties: 1910, 1936, 1965, 2008
Oct 1955–Sep 1956
12-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
44th Coolest Coolest since: 1951 1904
81st Warmest Warmest since: 1955 2012
Ties: 1897, 1928, 1936, 1937, 1975, 2001
Apr 1955–Sep 1956
18-Month
57.2°F
(14.0°C)
56.6°F
(13.7°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1952 1904, 1918
44th Warmest Warmest since: 1955 2012
Ties: 1976, 1986, 2004
Oct 1954–Sep 1956
24-Month
52.3°F
(11.3°C)
51.7°F
(10.9°C)
0.6°F
(0.4°C)
89th Coolest Coolest since: 1952 1979
35th Warmest Warmest since: 1955 2017
Oct 1953–Sep 1956
36-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
105th Coolest Coolest since: 1953 1979
18th Warmest Warmest since: 1955 2018
Ties: 1988
Oct 1952–Sep 1956
48-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
107th Coolest Coolest since: 1954 1905
15th Warmest Warmest since: 1955 2019
Ties: 2006
Oct 1951–Sep 1956
60-Month
52.7°F
(11.5°C)
51.5°F
(10.8°C)
1.2°F
(0.7°C)
106th Coolest Coolest since: 1955 1906
15th Warmest Warmest since: 1936 2002
Ties: 1933, 1936, 2001, 2004, 2005, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 24, 2020 from https://www.ncdc.noaa.gov/cag/