Climate at a Glance

Divisional 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 May 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 2018

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 2018
1-Month
71.9°F
(22.2°C)
67.4°F
(19.7°C)
4.5°F
(2.5°C)
120th Coolest Coolest since: 2017 1918
7th Warmest Warmest since: 1998 1925
Ties: 1960, 1998
Aug–Sep 2018
2-Month
73.5°F
(23.1°C)
70.8°F
(21.6°C)
2.7°F
(1.5°C)
112th Coolest Coolest since: 2017 1967
15th Warmest Warmest since: 2016 1936
Ties: 1988
Jul–Sep 2018
3-Month
74.2°F
(23.4°C)
72.7°F
(22.6°C)
1.5°F
(0.8°C)
101st Coolest Coolest since: 2017 1967
26th Warmest Warmest since: 2016 1936
Ties: 1914, 1938
Jun–Sep 2018
4-Month
74.6°F
(23.7°C)
72.6°F
(22.6°C)
2.0°F
(1.1°C)
109th Coolest Coolest since: 2017 1967
18th Warmest Warmest since: 2016 1936
Ties: 1980, 2007
May–Sep 2018
5-Month
74.2°F
(23.4°C)
70.7°F
(21.5°C)
3.5°F
(1.9°C)
125th Coolest Coolest since: 2017 1924
2nd Warmest Warmest since: 1936 1936
Apr–Sep 2018
6-Month
69.6°F
(20.9°C)
67.7°F
(19.8°C)
1.9°F
(1.1°C)
109th Coolest Coolest since: 2017 1907
18th Warmest Warmest since: 2012 2010
Ties: 1913, 1925, 2002
Mar–Sep 2018
7-Month
65.4°F
(18.6°C)
64.0°F
(17.8°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 2017 1924
22nd Warmest Warmest since: 2017 2012
Ties: 1934, 1953, 2002, 2017
Feb–Sep 2018
8-Month
61.7°F
(16.5°C)
59.9°F
(15.5°C)
1.8°F
(1.0°C)
111th Coolest Coolest since: 2015 1904, 1924
16th Warmest Warmest since: 2017 2012
Ties: 1933, 1955, 2002
Jan–Sep 2018
9-Month
57.7°F
(14.3°C)
56.4°F
(13.6°C)
1.3°F
(0.7°C)
100th Coolest Coolest since: 2015 1979
27th Warmest Warmest since: 2017 2012
Ties: 1919, 1930, 1946, 1999, 2000
Dec 2017–Sep 2018
10-Month
55.1°F
(12.8°C)
53.9°F
(12.2°C)
1.2°F
(0.6°C)
94th Coolest Coolest since: 2015 1904
32nd Warmest Warmest since: 2017 2012
Ties: 1911, 1914, 1949, 2019
Nov 2017–Sep 2018
11-Month
54.1°F
(12.3°C)
52.8°F
(11.6°C)
1.3°F
(0.7°C)
96th Coolest Coolest since: 2015 1904
30th Warmest Warmest since: 2017 2012
Ties: 1934, 1938
Oct 2017–Sep 2018
12-Month
54.5°F
(12.5°C)
53.1°F
(11.7°C)
1.4°F
(0.8°C)
103rd Coolest Coolest since: 2015 1904
23rd Warmest Warmest since: 2017 2012
Ties: 1933, 2010
Apr 2017–Sep 2018
18-Month
59.3°F
(15.2°C)
58.0°F
(14.4°C)
1.3°F
(0.8°C)
103rd Coolest Coolest since: 2015 1918
23rd Warmest Warmest since: 2017 2012
Oct 2016–Sep 2018
24-Month
55.4°F
(13.0°C)
53.1°F
(11.7°C)
2.3°F
(1.3°C)
122nd Coolest Coolest since: 2016 1979
3rd Warmest Warmest since: 2017 2017
Ties: 1922, 2013
Oct 2015–Sep 2018
36-Month
55.7°F
(13.2°C)
53.0°F
(11.7°C)
2.7°F
(1.5°C)
123rd Coolest Coolest since: 2017 1979
1st Warmest Warmest to Date 2018
Oct 2014–Sep 2018
48-Month
54.9°F
(12.7°C)
53.1°F
(11.7°C)
1.8°F
(1.0°C)
121st Coolest Coolest since: 2017 1980
2nd Warmest Warmest since: 2007 2019
Ties: 2007
Oct 2013–Sep 2018
60-Month
54.0°F
(12.2°C)
53.0°F
(11.7°C)
1.0°F
(0.5°C)
101st Coolest Coolest since: 2017 1982
21st Warmest Warmest since: 2016 2020
Ties: 1923, 1955, 2004, 2014, 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 18, 2021 from https://www.ncdc.noaa.gov/cag/