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


Illinois

Average Temperature Rankings, September 1916

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1916
1-Month
64.2°F
(17.9°C)
66.2°F
(19.0°C)
-2.0°F
(-1.1°C)
24th Coolest Coolest since: 1909 1918
102nd Warmest Warmest since: 1915 1925, 1933
Ties: 1957, 1996
Aug–Sep 1916
2-Month
70.1°F
(21.2°C)
69.8°F
(21.0°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 1915 1967
57th Warmest Warmest since: 1914 1936
Ties: 1909
Jul–Sep 1916
3-Month
73.6°F
(23.1°C)
71.8°F
(22.1°C)
1.8°F
(1.0°C)
105th Coolest Coolest since: 1915 1967
21st Warmest Warmest since: 1913 1936
Ties: 1925, 1938, 1947
Jun–Sep 1916
4-Month
71.8°F
(22.1°C)
71.7°F
(22.1°C)
0.1°F
(0.0°C)
68th Coolest Coolest since: 1915 1915, 1924
58th Warmest Warmest since: 1914 1936
Ties: 1899, 1908, 1923, 1960, 1964
May–Sep 1916
5-Month
69.9°F
(21.1°C)
69.7°F
(20.9°C)
0.2°F
(0.2°C)
66th Coolest Coolest since: 1915 1924
60th Warmest Warmest since: 1914 1936
Ties: 1908, 1965, 2000, 2001
Apr–Sep 1916
6-Month
66.6°F
(19.2°C)
66.7°F
(19.3°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1915 1907
75th Warmest Warmest since: 1914 2010
Ties: 1905, 1943, 1971, 1973, 1981
Mar–Sep 1916
7-Month
62.4°F
(16.9°C)
62.9°F
(17.2°C)
-0.5°F
(-0.3°C)
41st Coolest Coolest since: 1915 1924
85th Warmest Warmest since: 1914 2012
Ties: 1932, 1962, 1971, 1972
Feb–Sep 1916
8-Month
57.8°F
(14.3°C)
58.7°F
(14.8°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1915 1904
94th Warmest Warmest since: 1914 2012
Ties: 1895, 1940
Jan–Sep 1916
9-Month
54.5°F
(12.5°C)
54.9°F
(12.7°C)
-0.4°F
(-0.2°C)
48th Coolest Coolest since: 1915 1904, 1912
78th Warmest Warmest since: 1914 2012
Ties: 1989, 2009, 2015
Dec 1915–Sep 1916
10-Month
51.9°F
(11.1°C)
52.4°F
(11.3°C)
-0.5°F
(-0.2°C)
41st Coolest Coolest since: 1915 1904
84th Warmest Warmest since: 1914 2012
Ties: 1923, 1943, 1966, 2008
Nov 1915–Sep 1916
11-Month
51.2°F
(10.7°C)
51.4°F
(10.8°C)
-0.2°F
(-0.1°C)
54th Coolest Coolest since: 1915 1904
71st Warmest Warmest since: 1914 2012
Ties: 1901, 1903, 1947, 1966, 1989
Oct 1915–Sep 1916
12-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
56th Coolest Coolest since: 1915 1904
69th Warmest Warmest since: 1914 2012
Ties: 1896, 1909, 1923
Apr 1915–Sep 1916
18-Month
56.1°F
(13.4°C)
56.6°F
(13.7°C)
-0.5°F
(-0.3°C)
36th Coolest Coolest since: 1912 1904, 1918
89th Warmest Warmest since: 1915 2012
Ties: 1903, 2009
Oct 1914–Sep 1916
24-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
31st Coolest Coolest since: 1913 1979
93rd Warmest Warmest since: 1915 2017
Ties: 1907
Oct 1913–Sep 1916
36-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1914 1979
68th Warmest Warmest since: 1915 2018
Ties: 1937, 1947, 1953, 1959, 1983, 1995, 1998
Oct 1912–Sep 1916
48-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1915 1905
56th Warmest Warmest to Date 2019
Ties: 1925, 1931, 1945, 1950, 1958, 1974
Oct 1911–Sep 1916
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
29th Coolest Coolest since: 1913 1906
92nd Warmest Warmest since: 1915 2002
Ties: 1913, 1929, 1961, 1965, 1972

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/