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 1991

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1991
1-Month
68.0°F
(20.0°C)
67.4°F
(19.7°C)
0.6°F
(0.3°C)
70th Coolest Coolest since: 1989 1918
57th Warmest Warmest since: 1990 1925
Ties: 1947
Aug–Sep 1991
2-Month
71.8°F
(22.1°C)
70.8°F
(21.6°C)
1.0°F
(0.5°C)
87th Coolest Coolest since: 1990 1967
40th Warmest Warmest since: 1988 1936
Ties: 1978
Jul–Sep 1991
3-Month
73.6°F
(23.1°C)
72.7°F
(22.6°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 1990 1967
39th Warmest Warmest since: 1988 1936
Ties: 1935, 1973, 2011
Jun–Sep 1991
4-Month
74.1°F
(23.4°C)
72.5°F
(22.5°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 1990 1967
25th Warmest Warmest since: 1988 1936
Ties: 1911, 1998
May–Sep 1991
5-Month
73.3°F
(22.9°C)
70.7°F
(21.5°C)
2.6°F
(1.4°C)
119th Coolest Coolest since: 1990 1924
8th Warmest Warmest since: 1936 1936
Apr–Sep 1991
6-Month
70.7°F
(21.5°C)
67.8°F
(19.9°C)
2.9°F
(1.6°C)
124th Coolest Coolest since: 1990 1907
3rd Warmest Warmest since: 1936 2010
Mar–Sep 1991
7-Month
67.1°F
(19.5°C)
64.0°F
(17.8°C)
3.1°F
(1.7°C)
122nd Coolest Coolest since: 1990 1924
5th Warmest Warmest since: 1936 2012
Ties: 2007
Feb–Sep 1991
8-Month
63.2°F
(17.3°C)
59.9°F
(15.5°C)
3.3°F
(1.8°C)
124th Coolest Coolest since: 1990 1904, 1924
3rd Warmest Warmest since: 1921 2012
Jan–Sep 1991
9-Month
59.1°F
(15.1°C)
56.3°F
(13.5°C)
2.8°F
(1.6°C)
121st Coolest Coolest since: 1990 1979
6th Warmest Warmest since: 1954 2012
Ties: 1933
Dec 1990–Sep 1991
10-Month
56.5°F
(13.6°C)
53.8°F
(12.1°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 1990 1904
8th Warmest Warmest since: 1954 2012
Nov 1990–Sep 1991
11-Month
55.8°F
(13.2°C)
52.8°F
(11.6°C)
3.0°F
(1.6°C)
121st Coolest Coolest since: 1990 1904
5th Warmest Warmest since: 1921 2012
Ties: 2017
Oct 1990–Sep 1991
12-Month
55.7°F
(13.2°C)
53.1°F
(11.7°C)
2.6°F
(1.5°C)
118th Coolest Coolest since: 1990 1904
8th Warmest Warmest since: 1954 2012
Apr 1990–Sep 1991
18-Month
59.4°F
(15.2°C)
57.9°F
(14.4°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 1990 1918
19th Warmest Warmest since: 1987 2012
Ties: 1914, 1953, 1992
Oct 1989–Sep 1991
24-Month
54.7°F
(12.6°C)
53.1°F
(11.7°C)
1.6°F
(0.9°C)
110th Coolest Coolest since: 1990 1979
15th Warmest Warmest since: 1955 2017
Ties: 1992
Oct 1988–Sep 1991
36-Month
54.0°F
(12.2°C)
53.1°F
(11.7°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 1990 1979
28th Warmest Warmest since: 1988 2018
Ties: 1943, 1993
Oct 1987–Sep 1991
48-Month
53.9°F
(12.2°C)
53.0°F
(11.7°C)
0.9°F
(0.5°C)
98th Coolest Coolest since: 1990 1980
25th Warmest Warmest since: 1989 2019
Ties: 1936, 1944, 1954, 1989, 1992, 1993, 2017
Oct 1986–Sep 1991
60-Month
54.1°F
(12.3°C)
53.0°F
(11.7°C)
1.1°F
(0.6°C)
105th Coolest Coolest since: 1990 1982
17th Warmest Warmest since: 1957 2020
Ties: 1933, 2001, 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 12, 2021 from https://www.ncdc.noaa.gov/cag/