Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 1897

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1897
1-Month
71.1°F
(21.7°C)
67.4°F
(19.7°C)
3.7°F
(2.0°C)
114th Coolest
Coolest since:
1918
15th Warmest
Warmest to Date
1925
Ties: 1970, 2002
Aug–Sep 1897
2-Month
71.6°F
(22.0°C)
70.8°F
(21.6°C)
0.8°F
(0.4°C)
86th Coolest
Coolest since:
1967
43rd Warmest
Warmest since:
1936
Ties: 1919, 1961
Jul–Sep 1897
3-Month
73.2°F
(22.9°C)
72.7°F
(22.6°C)
0.5°F
(0.3°C)
78th Coolest
Coolest since:
1967
51st Warmest
Warmest to Date
1936
Ties: 1898
Jun–Sep 1897
4-Month
72.7°F
(22.6°C)
72.6°F
(22.6°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1967
68th Warmest
Warmest since:
1936
Ties: 1916, 1968, 2008, 2015, 2020
May–Sep 1897
5-Month
69.7°F
(20.9°C)
70.7°F
(21.5°C)
-1.0°F
(-0.6°C)
31st Coolest
Coolest since:
1924
98th Warmest
Warmest since:
1936
Ties: 1920, 2014
Apr–Sep 1897
6-Month
66.6°F
(19.2°C)
67.7°F
(19.8°C)
-1.1°F
(-0.6°C)
25th Coolest
Coolest since:
1907
104th Warmest
Warmest since:
2010
Ties: 1902, 1958
Mar–Sep 1897
7-Month
63.0°F
(17.2°C)
64.0°F
(17.8°C)
-1.0°F
(-0.6°C)
28th Coolest
Coolest since:
1924
101st Warmest
Warmest since:
2012
Ties: 1940, 1966, 2013
Feb–Sep 1897
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: 1905, 1926, 1963, 1968, 1980, 2008, 2013
Jan–Sep 1897
9-Month
55.4°F
(13.0°C)
56.3°F
(13.5°C)
-0.9°F
(-0.5°C)
30th Coolest
Coolest since:
1979
99th Warmest
Warmest since:
2012
Ties: 1967, 1968, 1969, 1970, 2003
Dec 1896–Sep 1897
10-Month
53.4°F
(11.9°C)
53.9°F
(12.2°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1904
87th Warmest
Warmest since:
2012
Ties: 1923, 1947, 1965, 1977
Nov 1896–Sep 1897
11-Month
52.4°F
(11.3°C)
52.8°F
(11.6°C)
-0.4°F
(-0.3°C)
42nd Coolest
Coolest since:
1904
86th Warmest
Warmest since:
2012
Ties: 1937, 1956
Oct 1896–Sep 1897
12-Month
52.3°F
(11.3°C)
53.1°F
(11.7°C)
-0.8°F
(-0.4°C)
34th Coolest
Coolest since:
1904
94th Warmest
Warmest since:
2012
Ties: 1961
Apr 1896–Sep 1897
18-Month
57.9°F
(14.4°C)
58.0°F
(14.4°C)
-0.1°F
(0.0°C)
51st Coolest
Coolest since:
1918
77th Warmest
Warmest since:
2012
Ties: 1915, 1930, 1952, 1959, 1985
Oct 1895–Sep 1897
24-Month
52.5°F
(11.4°C)
53.0°F
(11.7°C)
-0.5°F
(-0.3°C)
33rd Coolest
Coolest since:
1979
94th Warmest
Warmest to Date
2017
Ties: 1916, 1929, 1952, 1959, 1967

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