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


Illinois

Average Temperature Rankings, September 1912

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1912
1-Month
67.0°F
(19.4°C)
66.2°F
(19.0°C)
0.8°F
(0.4°C)
73rd Coolest Coolest since: 1910 1918
54th Warmest Warmest since: 1911 1925, 1933
Ties: 1983
Aug–Sep 1912
2-Month
69.4°F
(20.8°C)
69.9°F
(21.1°C)
-0.5°F
(-0.3°C)
53rd Coolest Coolest since: 1910 1967
74th Warmest Warmest since: 1911 1936
Ties: 1986, 2008
Jul–Sep 1912
3-Month
71.3°F
(21.8°C)
71.7°F
(22.1°C)
-0.4°F
(-0.3°C)
48th Coolest Coolest since: 1910 1967
79th Warmest Warmest since: 1911 1936
Ties: 1905, 1920
Jun–Sep 1912
4-Month
70.4°F
(21.3°C)
71.6°F
(22.0°C)
-1.2°F
(-0.7°C)
23rd Coolest Coolest since: 1907 1915, 1924
104th Warmest Warmest since: 1911 1936
Ties: 1918, 1962, 1996, 2014
May–Sep 1912
5-Month
69.2°F
(20.7°C)
69.7°F
(20.9°C)
-0.5°F
(-0.2°C)
43rd Coolest Coolest since: 1910 1924
84th Warmest Warmest since: 1911 1936
Ties: 1942, 1984
Apr–Sep 1912
6-Month
66.5°F
(19.2°C)
66.8°F
(19.3°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 1910 1907
81st Warmest Warmest since: 1911 2010
Ties: 1897, 1947, 1969, 2004
Mar–Sep 1912
7-Month
61.2°F
(16.2°C)
62.8°F
(17.1°C)
-1.6°F
(-0.9°C)
12th Coolest Coolest since: 1907 1924
115th Warmest Warmest since: 1911 2012
Feb–Sep 1912
8-Month
56.3°F
(13.5°C)
58.6°F
(14.8°C)
-2.3°F
(-1.3°C)
4th Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1911 2012
Ties: 1950
Jan–Sep 1912
9-Month
51.5°F
(10.8°C)
55.0°F
(12.8°C)
-3.5°F
(-2.0°C)
1st Coolest Coolest since: 1904 1904, 1912
126th Warmest Warmest since: 1911 2012
Ties: 1904
Dec 1911–Sep 1912
10-Month
49.7°F
(9.8°C)
52.4°F
(11.3°C)
-2.7°F
(-1.5°C)
4th Coolest Coolest since: 1904 1904
122nd Warmest Warmest since: 1911 2012
Ties: 2014
Nov 1911–Sep 1912
11-Month
48.3°F
(9.1°C)
51.3°F
(10.7°C)
-3.0°F
(-1.6°C)
2nd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1911 2012
Oct 1911–Sep 1912
12-Month
48.7°F
(9.3°C)
51.6°F
(10.9°C)
-2.9°F
(-1.6°C)
2nd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1911 2012
Apr 1911–Sep 1912
18-Month
55.2°F
(12.9°C)
56.7°F
(13.7°C)
-1.5°F
(-0.8°C)
7th Coolest Coolest since: 1905 1904, 1918
119th Warmest Warmest since: 1911 2012
Ties: 1899
Oct 1910–Sep 1912
24-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
13th Coolest Coolest since: 1905 1979
112th Warmest Warmest since: 1911 2017
Ties: 1917, 2014
Oct 1909–Sep 1912
36-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
8th Coolest Coolest since: 1907 1979
116th Warmest Warmest since: 1911 2018
Ties: 1907, 1919, 1928, 1962, 1978
Oct 1908–Sep 1912
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
15th Coolest Coolest since: 1907 1905
108th Warmest Warmest since: 1911 2019
Ties: 1919, 1927, 1961, 1971, 1978
Oct 1907–Sep 1912
60-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
23rd Coolest Coolest since: 1909 1906
99th Warmest Warmest since: 1911 2020
Ties: 1909, 1964, 1978, 1983, 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 22, 2020 from https://www.ncdc.noaa.gov/cag/