Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 1980

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1980
1-Month 		69.2°F
(20.7°C)		 67.4°F
(19.7°C)		 1.8°F
(1.0°C)		 88th Coolest
Coolest since:
 1918
41st Warmest
Warmest since:
 1925
Ties: 1915
Aug–Sep 1980
2-Month 		73.6°F
(23.1°C)		 70.8°F
(21.6°C)		 2.8°F
(1.5°C)		 116th Coolest
Coolest since:
 1967
13th Warmest
Warmest since:
 1936
Ties: 1998
Jul–Sep 1980
3-Month 		75.6°F
(24.2°C)		 72.6°F
(22.6°C)		 3.0°F
(1.6°C)		 124th Coolest
Coolest since:
 1967
5th Warmest
Warmest since:
 1936
Ties: 2002
Jun–Sep 1980
4-Month 		74.6°F
(23.7°C)		 72.6°F
(22.6°C)		 2.0°F
(1.1°C)		 111th Coolest
Coolest since:
 1967
18th Warmest
Warmest since:
 1936
Ties: 2007, 2018
May–Sep 1980
5-Month 		72.5°F
(22.5°C)		 70.7°F
(21.5°C)		 1.8°F
(1.0°C)		 108th Coolest
Coolest since:
 1924
21st Warmest
Warmest since:
 1936
Ties: 2002, 2005
Apr–Sep 1980
6-Month 		68.9°F
(20.5°C)		 67.8°F
(19.9°C)		 1.1°F
(0.6°C)		 93rd Coolest
Coolest since:
 1907
36th Warmest
Warmest since:
 2010
Mar–Sep 1980
7-Month 		64.3°F
(17.9°C)		 64.0°F
(17.8°C)		 0.3°F
(0.1°C)		 71st Coolest
Coolest since:
 1924
58th Warmest
Warmest since:
 2012
Ties: 1895, 1898, 1963, 1983
Feb–Sep 1980
8-Month 		59.2°F
(15.1°C)		 59.9°F
(15.5°C)		 -0.7°F
(-0.4°C)		 38th Coolest
Coolest since:
 1904, 1924
91st Warmest
Warmest since:
 2012
Ties: 1897, 1905, 1926, 1963, 1968, 2008, 2013
Jan–Sep 1980
9-Month 		55.8°F
(13.2°C)		 56.4°F
(13.6°C)		 -0.6°F
(-0.4°C)		 43rd Coolest
Coolest since:
 1979
86th Warmest
Warmest since:
 2012
Ties: 1962, 1993
Dec 1979–Sep 1980
10-Month 		53.8°F
(12.1°C)		 53.9°F
(12.2°C)		 -0.1°F
(-0.1°C)		 58th Coolest
Coolest since:
 1904
70th Warmest
Warmest since:
 2012
Ties: 1901, 1937, 1956, 1989
Nov 1979–Sep 1980
11-Month 		52.7°F
(11.5°C)		 52.9°F
(11.6°C)		 -0.2°F
(-0.1°C)		 51st Coolest
Coolest since:
 1904
77th Warmest
Warmest since:
 2012
Ties: 1901, 1947, 1950, 1965, 2008
Oct 1979–Sep 1980
12-Month 		52.9°F
(11.6°C)		 53.1°F
(11.7°C)		 -0.2°F
(-0.1°C)		 52nd Coolest
Coolest since:
 1904
76th Warmest
Warmest since:
 2012
Ties: 1975, 2009
Apr 1979–Sep 1980
18-Month 		57.4°F
(14.1°C)		 58.0°F
(14.4°C)		 -0.6°F
(-0.3°C)		 35th Coolest
Coolest since:
 1918
93rd Warmest
Warmest since:
 2012
Ties: 1927
Oct 1978–Sep 1980
24-Month 		51.7°F
(10.9°C)		 53.0°F
(11.7°C)		 -1.3°F
(-0.8°C)		 7th Coolest
Coolest since:
 1979
120th Warmest
Warmest since:
 2017
Oct 1977–Sep 1980
36-Month 		51.2°F
(10.7°C)		 53.0°F
(11.7°C)		 -1.8°F
(-1.0°C)		 2nd Coolest
Coolest since:
 1979
124th Warmest
Warmest since:
 2018
Ties: 1904
Oct 1976–Sep 1980
48-Month 		51.3°F
(10.7°C)		 53.1°F
(11.7°C)		 -1.8°F
(-1.0°C)		 1st Coolest
Coolest since:
 1980
124th Warmest
Warmest since:
 2019
Oct 1975–Sep 1980
60-Month 		51.8°F
(11.0°C)		 53.0°F
(11.7°C)		 -1.2°F
(-0.7°C)		 4th Coolest
Coolest since:
 1982
120th Warmest
Warmest since:
 2020
Ties: 1905, 1979

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