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


Illinois, Climate Division 3. West

Average Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1991
1-Month
65.9°F
(18.8°C)
66.1°F
(18.9°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1989 1918
70th Warmest Warmest since: 1990 1931, 1933
Ties: 1923
Aug–Sep 1991
2-Month
69.9°F
(21.1°C)
69.8°F
(21.0°C)
0.1°F
(0.1°C)
68th Coolest Coolest since: 1989 1967
58th Warmest Warmest since: 1990 1936
Ties: 1901
Jul–Sep 1991
3-Month
71.9°F
(22.2°C)
71.9°F
(22.2°C)
0.0°F
(0.0°C)
69th Coolest Coolest since: 1990 1967
57th Warmest Warmest since: 1990 1936
Ties: 1990, 2000
Jun–Sep 1991
4-Month
72.8°F
(22.7°C)
71.9°F
(22.2°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 1990 1992
36th Warmest Warmest since: 1988 1936
Ties: 1895, 1922
May–Sep 1991
5-Month
71.8°F
(22.1°C)
69.9°F
(21.1°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 1990 1924, 1967
15th Warmest Warmest since: 1988 1936
Ties: 1959, 1983, 2005
Apr–Sep 1991
6-Month
69.1°F
(20.6°C)
66.8°F
(19.3°C)
2.3°F
(1.3°C)
116th Coolest Coolest since: 1990 1907
10th Warmest Warmest since: 1988 1936
Ties: 1933, 2005
Mar–Sep 1991
7-Month
65.5°F
(18.6°C)
62.8°F
(17.1°C)
2.7°F
(1.5°C)
120th Coolest Coolest since: 1990 1924
6th Warmest Warmest since: 1987 1936
Ties: 1934, 1977
Feb–Sep 1991
8-Month
61.5°F
(16.4°C)
58.5°F
(14.7°C)
3.0°F
(1.7°C)
122nd Coolest Coolest since: 1990 1904
4th Warmest Warmest since: 1987 2012
Ties: 1930
Jan–Sep 1991
9-Month
57.0°F
(13.9°C)
54.6°F
(12.6°C)
2.4°F
(1.3°C)
114th Coolest Coolest since: 1990 1904
12th Warmest Warmest since: 1987 2012
Ties: 1931
Dec 1990–Sep 1991
10-Month
54.1°F
(12.3°C)
52.0°F
(11.1°C)
2.1°F
(1.2°C)
108th Coolest Coolest since: 1990 1904
17th Warmest Warmest since: 1987 2012
Ties: 1932
Nov 1990–Sep 1991
11-Month
53.4°F
(11.9°C)
51.0°F
(10.6°C)
2.4°F
(1.3°C)
114th Coolest Coolest since: 1990 1904
11th Warmest Warmest since: 1987 2012
Ties: 1934, 1954
Oct 1990–Sep 1991
12-Month
53.3°F
(11.8°C)
51.2°F
(10.7°C)
2.1°F
(1.1°C)
113th Coolest Coolest since: 1990 1904
12th Warmest Warmest since: 1987 2012
Ties: 1919, 1934, 1939
Apr 1990–Sep 1991
18-Month
57.6°F
(14.2°C)
56.5°F
(13.6°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 1990 1904
23rd Warmest Warmest since: 1988 2012
Ties: 1919, 1937
Oct 1989–Sep 1991
24-Month
52.6°F
(11.4°C)
51.2°F
(10.7°C)
1.4°F
(0.7°C)
105th Coolest Coolest since: 1990 1979
19th Warmest Warmest since: 1988 2017
Ties: 1914, 1931, 2016
Oct 1988–Sep 1991
36-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1990 1979
35th Warmest Warmest since: 1989 2018
Ties: 1931, 1942
Oct 1987–Sep 1991
48-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
95th Coolest Coolest since: 1989 1905
27th Warmest Warmest since: 1990 1934
Ties: 1924, 1939, 1989
Oct 1986–Sep 1991
60-Month
52.4°F
(11.3°C)
51.2°F
(10.7°C)
1.2°F
(0.6°C)
112th Coolest Coolest since: 1990 1906, 1982
9th Warmest Warmest since: 1957 1934
Ties: 1933, 2007

Citing This Page

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