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


Illinois

Average Temperature Rankings, September 1906

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1906
1-Month
69.7°F
(20.9°C)
66.2°F
(19.0°C)
3.5°F
(1.9°C)
108th Coolest Coolest since: 1905 1918
18th Warmest Warmest since: 1897 1925, 1933
Aug–Sep 1906
2-Month
72.6°F
(22.6°C)
69.9°F
(21.1°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 1905 1967
12th Warmest Warmest since: 1900 1936
Jul–Sep 1906
3-Month
72.8°F
(22.7°C)
71.8°F
(22.1°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1905 1967
36th Warmest Warmest since: 1901 1936
Ties: 1995, 2011
Jun–Sep 1906
4-Month
72.0°F
(22.2°C)
71.6°F
(22.0°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1905 1915, 1924
50th Warmest Warmest since: 1901 1936
Ties: 1937, 1940, 1948, 2015, 2017
May–Sep 1906
5-Month
70.3°F
(21.3°C)
69.8°F
(21.0°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1905 1924
47th Warmest Warmest since: 1901 1936
Ties: 1896, 1898
Apr–Sep 1906
6-Month
67.6°F
(19.8°C)
66.7°F
(19.3°C)
0.9°F
(0.5°C)
82nd Coolest Coolest since: 1905 1907
44th Warmest Warmest since: 1900 2010
Ties: 1938, 1939, 1970
Mar–Sep 1906
7-Month
62.2°F
(16.8°C)
62.8°F
(17.1°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1904 1924
90th Warmest Warmest since: 1905 2012
Ties: 1943, 1974
Feb–Sep 1906
8-Month
57.9°F
(14.4°C)
58.7°F
(14.8°C)
-0.8°F
(-0.4°C)
35th Coolest Coolest since: 1905 1904
91st Warmest Warmest since: 1903 2012
Ties: 1969
Jan–Sep 1906
9-Month
54.9°F
(12.7°C)
55.0°F
(12.8°C)
-0.1°F
(-0.1°C)
64th Coolest Coolest since: 1905 1904, 1912
62nd Warmest Warmest since: 1900 2012
Ties: 1900
Dec 1905–Sep 1906
10-Month
52.4°F
(11.3°C)
52.4°F
(11.3°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1905 1904
67th Warmest Warmest since: 1901 2012
Ties: 1901, 1935, 1956, 1959, 1964, 1972
Nov 1905–Sep 1906
11-Month
51.3°F
(10.7°C)
51.3°F
(10.7°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1905 1904
65th Warmest Warmest since: 1900 2012
Ties: 1974
Oct 1905–Sep 1906
12-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
51st Coolest Coolest since: 1905 1904
74th Warmest Warmest since: 1903 2012
Ties: 1943, 1950, 1966
Apr 1905–Sep 1906
18-Month
56.5°F
(13.6°C)
56.7°F
(13.7°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 1905 1904, 1918
77th Warmest Warmest since: 1901 2012
Ties: 1947, 1950, 1959, 2001
Oct 1904–Sep 1906
24-Month
50.9°F
(10.5°C)
51.7°F
(10.9°C)
-0.8°F
(-0.4°C)
25th Coolest Coolest since: 1905 1979
99th Warmest Warmest since: 1901 2017
Ties: 1952, 1962, 1968, 1969, 1994
Oct 1903–Sep 1906
36-Month
49.9°F
(9.9°C)
51.6°F
(10.9°C)
-1.7°F
(-1.0°C)
3rd Coolest Coolest since: 1905 1979
120th Warmest Warmest since: 1905 2018
Ties: 1905
Oct 1902–Sep 1906
48-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
5th Coolest Coolest since: 1905 1905
117th Warmest Warmest since: 1904 2019
Ties: 1904, 1979
Oct 1901–Sep 1906
60-Month
50.2°F
(10.1°C)
51.6°F
(10.9°C)
-1.4°F
(-0.8°C)
1st Coolest Coolest to Date 1906
120th Warmest Warmest since: 1905 2002

Citing This Page

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