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 1918

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1918
1-Month
58.9°F
(14.9°C)
66.2°F
(19.0°C)
-7.3°F
(-4.1°C)
1st Coolest Coolest to Date 1918
126th Warmest Warmest since: 1917 1925, 1933
Aug–Sep 1918
2-Month
68.4°F
(20.2°C)
69.9°F
(21.1°C)
-1.5°F
(-0.9°C)
27th Coolest Coolest since: 1917 1967
100th Warmest Warmest since: 1916 1936
Ties: 1907, 1942, 1999, 2009
Jul–Sep 1918
3-Month
70.0°F
(21.1°C)
71.8°F
(22.1°C)
-1.8°F
(-1.0°C)
17th Coolest Coolest since: 1917 1967
110th Warmest Warmest since: 1916 1936
Jun–Sep 1918
4-Month
70.4°F
(21.3°C)
71.7°F
(22.1°C)
-1.3°F
(-0.8°C)
23rd Coolest Coolest since: 1917 1915, 1924
104th Warmest Warmest since: 1916 1936
Ties: 1912, 1962, 1996, 2014
May–Sep 1918
5-Month
69.5°F
(20.8°C)
69.7°F
(20.9°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1917 1924
77th Warmest Warmest since: 1916 1936
Ties: 1923, 1971
Apr–Sep 1918
6-Month
65.7°F
(18.7°C)
66.7°F
(19.3°C)
-1.0°F
(-0.6°C)
29th Coolest Coolest since: 1917 1907
98th Warmest Warmest since: 1916 2010
Ties: 1958, 1979, 2009
Mar–Sep 1918
7-Month
62.9°F
(17.2°C)
62.9°F
(17.2°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1917 1924
70th Warmest Warmest since: 1914 2012
Ties: 1949, 1956, 1957, 1981
Feb–Sep 1918
8-Month
58.7°F
(14.8°C)
58.7°F
(14.8°C)
0.0°F
(0.0°C)
61st Coolest Coolest since: 1917 1904
66th Warmest Warmest since: 1913 2012
Ties: 1913, 1935, 1970
Jan–Sep 1918
9-Month
53.4°F
(11.9°C)
55.0°F
(12.8°C)
-1.6°F
(-0.9°C)
13th Coolest Coolest since: 1917 1904, 1912
114th Warmest Warmest since: 1916 2012
Ties: 1895, 1905, 1920, 1929, 1960
Dec 1917–Sep 1918
10-Month
50.1°F
(10.1°C)
52.4°F
(11.3°C)
-2.3°F
(-1.2°C)
8th Coolest Coolest since: 1917 1904
118th Warmest Warmest since: 1916 2012
Nov 1917–Sep 1918
11-Month
49.3°F
(9.6°C)
51.3°F
(10.7°C)
-2.0°F
(-1.1°C)
11th Coolest Coolest since: 1917 1904
115th Warmest Warmest since: 1916 2012
Oct 1917–Sep 1918
12-Month
49.0°F
(9.4°C)
51.6°F
(10.9°C)
-2.6°F
(-1.5°C)
3rd Coolest Coolest since: 1912 1904
123rd Warmest Warmest since: 1917 2012
Apr 1917–Sep 1918
18-Month
53.9°F
(12.2°C)
56.7°F
(13.7°C)
-2.8°F
(-1.5°C)
1st Coolest Coolest since: 1904 1904, 1918
125th Warmest Warmest since: 1917 2012
Ties: 1904
Oct 1916–Sep 1918
24-Month
49.3°F
(9.6°C)
51.6°F
(10.9°C)
-2.3°F
(-1.3°C)
3rd Coolest Coolest since: 1905 1979
122nd Warmest Warmest since: 1917 2017
Oct 1915–Sep 1918
36-Month
50.1°F
(10.1°C)
51.6°F
(10.9°C)
-1.5°F
(-0.8°C)
6th Coolest Coolest since: 1906 1979
118th Warmest Warmest since: 1917 2018
Oct 1914–Sep 1918
48-Month
50.2°F
(10.1°C)
51.6°F
(10.9°C)
-1.4°F
(-0.8°C)
4th Coolest Coolest since: 1907 1905
119th Warmest Warmest since: 1917 2019
Oct 1913–Sep 1918
60-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
10th Coolest Coolest since: 1908 1906
112th Warmest Warmest since: 1917 2020
Ties: 1920

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 25, 2020 from https://www.ncdc.noaa.gov/cag/