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


Illinois

Average Temperature Rankings, September 1980

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1980
1-Month
67.8°F
(19.9°C)
66.2°F
(19.0°C)
1.6°F
(0.9°C)
85th Coolest Coolest since: 1979 1918
42nd Warmest Warmest since: 1978 1925, 1933
Aug–Sep 1980
2-Month
72.5°F
(22.5°C)
69.8°F
(21.0°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 1979 1967
13th Warmest Warmest since: 1947 1936
Ties: 2018
Jul–Sep 1980
3-Month
74.6°F
(23.7°C)
71.7°F
(22.1°C)
2.9°F
(1.6°C)
122nd Coolest Coolest since: 1979 1967
5th Warmest Warmest since: 1955 1936
Jun–Sep 1980
4-Month
73.6°F
(23.1°C)
71.7°F
(22.1°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1979 1915, 1924
18th Warmest Warmest since: 1954 1936
May–Sep 1980
5-Month
71.5°F
(21.9°C)
69.7°F
(20.9°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 1979 1924
21st Warmest Warmest since: 1959 1936
Ties: 1939
Apr–Sep 1980
6-Month
67.9°F
(19.9°C)
66.7°F
(19.3°C)
1.2°F
(0.6°C)
95th Coolest Coolest since: 1979 1907
32nd Warmest Warmest since: 1977 2010
Ties: 1944, 2015, 2019
Mar–Sep 1980
7-Month
63.3°F
(17.4°C)
62.8°F
(17.1°C)
0.5°F
(0.3°C)
72nd Coolest Coolest since: 1979 1924
55th Warmest Warmest since: 1977 2012
Ties: 1898, 1901, 1944, 1948, 1952
Feb–Sep 1980
8-Month
58.2°F
(14.6°C)
58.6°F
(14.8°C)
-0.4°F
(-0.2°C)
48th Coolest Coolest since: 1979 1904
79th Warmest Warmest since: 1977 2012
Ties: 1961, 1971, 1994
Jan–Sep 1980
9-Month
54.7°F
(12.6°C)
54.9°F
(12.7°C)
-0.2°F
(-0.1°C)
55th Coolest Coolest since: 1979 1904, 1912
72nd Warmest Warmest since: 1977 2012
Ties: 1910, 1945, 1948, 1974
Dec 1979–Sep 1980
10-Month
52.6°F
(11.4°C)
52.4°F
(11.3°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1979 1904
55th Warmest Warmest since: 1976 2012
Ties: 1897
Nov 1979–Sep 1980
11-Month
51.5°F
(10.8°C)
51.3°F
(10.7°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1979 1904
59th Warmest Warmest since: 1976 2012
Ties: 1900, 1972
Oct 1979–Sep 1980
12-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1979 1904
66th Warmest Warmest since: 1976 2012
Ties: 1981
Apr 1979–Sep 1980
18-Month
56.4°F
(13.6°C)
56.7°F
(13.7°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1979 1904, 1918
81st Warmest Warmest since: 1976 2012
Ties: 1915, 1952
Oct 1978–Sep 1980
24-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
9th Coolest Coolest since: 1979 1979
116th Warmest Warmest since: 1977 2017
Oct 1977–Sep 1980
36-Month
50.0°F
(10.0°C)
51.6°F
(10.9°C)
-1.6°F
(-0.9°C)
5th Coolest Coolest since: 1979 1979
119th Warmest Warmest since: 1978 2018
Oct 1976–Sep 1980
48-Month
50.1°F
(10.1°C)
51.6°F
(10.9°C)
-1.5°F
(-0.8°C)
2nd Coolest Coolest since: 1907 1905
121st Warmest Warmest since: 1979 2019
Ties: 1907
Oct 1975–Sep 1980
60-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
8th Coolest Coolest since: 1979 1906
114th Warmest Warmest since: 1978 2020
Ties: 1904

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 24, 2021 from https://www.ncdc.noaa.gov/cag/