Climate at a Glance

Statewide 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 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, September 1927

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1927
1-Month
69.8°F
(21.0°C)
66.2°F
(19.0°C)
3.6°F
(2.0°C)
111th Coolest Coolest since: 1926 1918
16th Warmest Warmest since: 1925 1925, 1933
Ties: 2007
Aug–Sep 1927
2-Month
68.9°F
(20.5°C)
69.8°F
(21.0°C)
-0.9°F
(-0.5°C)
37th Coolest Coolest since: 1924 1967
90th Warmest Warmest since: 1926 1936
Jul–Sep 1927
3-Month
70.5°F
(21.4°C)
71.7°F
(22.1°C)
-1.2°F
(-0.7°C)
24th Coolest Coolest since: 1924 1967
103rd Warmest Warmest since: 1926 1936
Ties: 1896, 1985, 1989
Jun–Sep 1927
4-Month
69.7°F
(20.9°C)
71.7°F
(22.1°C)
-2.0°F
(-1.2°C)
14th Coolest Coolest since: 1924 1915, 1924
113th Warmest Warmest since: 1926 1936
May–Sep 1927
5-Month
67.8°F
(19.9°C)
69.7°F
(20.9°C)
-1.9°F
(-1.0°C)
10th Coolest Coolest since: 1924 1924
117th Warmest Warmest since: 1926 1936
Ties: 1976
Apr–Sep 1927
6-Month
65.2°F
(18.4°C)
66.7°F
(19.3°C)
-1.5°F
(-0.9°C)
14th Coolest Coolest since: 1924 1907
113th Warmest Warmest since: 1926 2010
Ties: 1915, 1920
Mar–Sep 1927
7-Month
62.0°F
(16.7°C)
62.9°F
(17.2°C)
-0.9°F
(-0.5°C)
33rd Coolest Coolest since: 1926 1924
94th Warmest Warmest since: 1925 2012
Ties: 1979
Feb–Sep 1927
8-Month
58.8°F
(14.9°C)
58.6°F
(14.8°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1926 1904
58th Warmest Warmest since: 1925 2012
Ties: 1945, 1949, 1985, 2009
Jan–Sep 1927
9-Month
55.0°F
(12.8°C)
54.9°F
(12.7°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1926 1904, 1912
62nd Warmest Warmest since: 1925 2012
Dec 1926–Sep 1927
10-Month
52.2°F
(11.2°C)
52.4°F
(11.3°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1926 1904
73rd Warmest Warmest since: 1925 2012
Ties: 1900, 1936, 1977
Nov 1926–Sep 1927
11-Month
50.7°F
(10.4°C)
51.3°F
(10.7°C)
-0.6°F
(-0.3°C)
31st Coolest Coolest since: 1926 1904
95th Warmest Warmest since: 1925 2012
Ties: 1928, 1961, 1967, 2001
Oct 1926–Sep 1927
12-Month
51.0°F
(10.6°C)
51.7°F
(10.9°C)
-0.7°F
(-0.3°C)
33rd Coolest Coolest since: 1926 1904
93rd Warmest Warmest since: 1925 2012
Ties: 1961, 1965, 1968, 1989, 1993, 2003
Apr 1926–Sep 1927
18-Month
55.8°F
(13.2°C)
56.6°F
(13.7°C)
-0.8°F
(-0.5°C)
23rd Coolest Coolest since: 1924 1904, 1918
103rd Warmest Warmest since: 1926 2012
Ties: 1910, 1958, 1970, 1978, 1994
Oct 1925–Sep 1927
24-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
7th Coolest Coolest since: 1918 1979
118th Warmest Warmest since: 1926 2017
Ties: 1997
Oct 1924–Sep 1927
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1926 1979
91st Warmest Warmest since: 1925 2018
Ties: 1900, 1902, 1913, 1984, 1994
Oct 1923–Sep 1927
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
15th Coolest Coolest since: 1920 1905
108th Warmest Warmest since: 1926 2019
Ties: 1912, 1919, 1961, 1971, 1978
Oct 1922–Sep 1927
60-Month
51.0°F
(10.6°C)
51.5°F
(10.8°C)
-0.5°F
(-0.2°C)
18th Coolest Coolest since: 1920 1906
104th Warmest Warmest since: 1926 2020
Ties: 1902, 1928, 1930, 1969

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 23, 2021 from https://www.ncdc.noaa.gov/cag/