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


Illinois

Average Temperature Rankings, September 1896

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1896
1-Month
62.6°F
(17.0°C)
66.2°F
(19.0°C)
-3.6°F
(-2.0°C)
10th Coolest Coolest to Date 1918
117th Warmest Warmest since: 1895 1925, 1933
Aug–Sep 1896
2-Month
68.2°F
(20.1°C)
69.8°F
(21.0°C)
-1.6°F
(-0.9°C)
20th Coolest Coolest to Date 1967
107th Warmest Warmest since: 1895 1936
Ties: 1903, 1929, 1962, 1975, 1981, 1993
Jul–Sep 1896
3-Month
70.5°F
(21.4°C)
71.8°F
(22.1°C)
-1.3°F
(-0.7°C)
24th Coolest Coolest to Date 1967
103rd Warmest Warmest since: 1895 1936
Ties: 1927, 1985, 1989
Jun–Sep 1896
4-Month
70.6°F
(21.4°C)
71.6°F
(22.0°C)
-1.0°F
(-0.6°C)
30th Coolest Coolest to Date 1915, 1924
97th Warmest Warmest since: 1895 1936
Ties: 1946, 1965
May–Sep 1896
5-Month
70.3°F
(21.3°C)
69.8°F
(21.0°C)
0.5°F
(0.3°C)
80th Coolest Coolest to Date 1924
47th Warmest Warmest since: 1895 1936
Ties: 1898, 1906
Apr–Sep 1896
6-Month
68.3°F
(20.2°C)
66.7°F
(19.3°C)
1.6°F
(0.9°C)
104th Coolest Coolest since: 1895 1907
23rd Warmest Warmest to Date 2010
Mar–Sep 1896
7-Month
63.5°F
(17.5°C)
62.9°F
(17.2°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 1895 1924
42nd Warmest Warmest since: 1895 2012
Ties: 1895, 1908, 1913, 1963, 1995, 1999, 2001, 2004
Feb–Sep 1896
8-Month
59.3°F
(15.2°C)
58.7°F
(14.8°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 1895 1904
47th Warmest Warmest to Date 2012
Ties: 1995, 2004, 2019
Jan–Sep 1896
9-Month
55.9°F
(13.3°C)
55.0°F
(12.8°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 1895 1904, 1912
40th Warmest Warmest to Date 2012
Ties: 1988
Dec 1895–Sep 1896
10-Month
53.4°F
(11.9°C)
52.4°F
(11.3°C)
1.0°F
(0.6°C)
89th Coolest Coolest to Date 1904
37th Warmest Warmest to Date 2012
Ties: 1944, 2019
Nov 1895–Sep 1896
11-Month
52.0°F
(11.1°C)
51.4°F
(10.8°C)
0.6°F
(0.3°C)
86th Coolest Coolest to Date 1904
40th Warmest Warmest to Date 2012
Ties: 1930, 1946, 1986, 2013
Oct 1895–Sep 1896
12-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
56th Coolest Coolest to Date 1904
70th Warmest Warmest to Date 2012
Ties: 1909, 1916, 1923
Apr 1895–Sep 1896
18-Month
57.0°F
(13.9°C)
56.7°F
(13.7°C)
0.3°F
(0.2°C)
73rd Coolest Coolest to Date 1904, 1918
53rd Warmest Warmest to Date 2012
Ties: 1898, 1913, 1989

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 21, 2021 from https://www.ncdc.noaa.gov/cag/