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 1906

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1906
1-Month
69.7°F
(20.9°C)
66.2°F
(19.0°C)
3.5°F
(1.9°C)
109th Coolest Coolest since: 1905 1918
18th Warmest Warmest since: 1897 1925, 1933
Aug–Sep 1906
2-Month
72.6°F
(22.6°C)
69.9°F
(21.1°C)
2.7°F
(1.5°C)
115th Coolest Coolest since: 1905 1967
12th Warmest Warmest since: 1900 1936
Jul–Sep 1906
3-Month
72.8°F
(22.7°C)
71.8°F
(22.1°C)
1.0°F
(0.6°C)
91st Coolest Coolest since: 1905 1967
36th Warmest Warmest since: 1901 1936
Ties: 1995, 2011
Jun–Sep 1906
4-Month
72.0°F
(22.2°C)
71.6°F
(22.0°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1905 1915, 1924
51st Warmest Warmest since: 1901 1936
Ties: 1937, 1940, 1948, 2015, 2017
May–Sep 1906
5-Month
70.3°F
(21.3°C)
69.8°F
(21.0°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1905 1924
47th Warmest Warmest since: 1901 1936
Ties: 1896, 1898
Apr–Sep 1906
6-Month
67.6°F
(19.8°C)
66.7°F
(19.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1905 1907
44th Warmest Warmest since: 1900 2010
Ties: 1938, 1939, 1970
Mar–Sep 1906
7-Month
62.2°F
(16.8°C)
62.8°F
(17.1°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1904 1924
91st Warmest Warmest since: 1905 2012
Ties: 1943, 1974
Feb–Sep 1906
8-Month
57.9°F
(14.4°C)
58.7°F
(14.8°C)
-0.8°F
(-0.4°C)
35th Coolest Coolest since: 1905 1904
92nd Warmest Warmest since: 1903 2012
Ties: 1969
Jan–Sep 1906
9-Month
54.9°F
(12.7°C)
55.0°F
(12.8°C)
-0.1°F
(-0.1°C)
63rd Coolest Coolest since: 1905 1904, 1912
64th Warmest Warmest since: 1900 2012
Ties: 1900
Dec 1905–Sep 1906
10-Month
52.4°F
(11.3°C)
52.4°F
(11.3°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1905 1904
68th Warmest Warmest since: 1901 2012
Ties: 1901, 1935, 1956, 1959, 1964, 1972
Nov 1905–Sep 1906
11-Month
51.3°F
(10.7°C)
51.3°F
(10.7°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1905 1904
66th Warmest Warmest since: 1900 2012
Ties: 1974
Oct 1905–Sep 1906
12-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
51st Coolest Coolest since: 1905 1904
75th Warmest Warmest since: 1903 2012
Ties: 1943, 1950, 1966
Apr 1905–Sep 1906
18-Month
56.5°F
(13.6°C)
56.7°F
(13.7°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 1905 1904, 1918
78th Warmest Warmest since: 1901 2012
Ties: 1947, 1950, 1959, 2001
Oct 1904–Sep 1906
24-Month
50.9°F
(10.5°C)
51.7°F
(10.9°C)
-0.8°F
(-0.4°C)
25th Coolest Coolest since: 1905 1979
100th Warmest Warmest since: 1901 2017
Ties: 1952, 1962, 1968, 1969, 1994
Oct 1903–Sep 1906
36-Month
49.9°F
(9.9°C)
51.6°F
(10.9°C)
-1.7°F
(-1.0°C)
3rd Coolest Coolest since: 1905 1979
121st Warmest Warmest since: 1905 2018
Ties: 1905
Oct 1902–Sep 1906
48-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
5th Coolest Coolest since: 1905 1905
118th Warmest Warmest since: 1904 2019
Ties: 1904, 1979
Oct 1901–Sep 1906
60-Month
50.2°F
(10.1°C)
51.6°F
(10.9°C)
-1.4°F
(-0.8°C)
1st Coolest Coolest to Date 1906
121st Warmest Warmest since: 1905 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 22, 2021 from https://www.ncdc.noaa.gov/cag/