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 1928

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1928
1-Month
61.9°F
(16.6°C)
66.2°F
(19.0°C)
-4.3°F
(-2.4°C)
8th Coolest Coolest since: 1924 1918
119th Warmest Warmest since: 1927 1925, 1933
Aug–Sep 1928
2-Month
68.1°F
(20.1°C)
69.8°F
(21.0°C)
-1.7°F
(-0.9°C)
18th Coolest Coolest since: 1924 1967
109th Warmest Warmest since: 1927 1936
Ties: 2004
Jul–Sep 1928
3-Month
70.6°F
(21.4°C)
71.8°F
(22.1°C)
-1.2°F
(-0.7°C)
28th Coolest Coolest since: 1927 1967
99th Warmest Warmest since: 1926 1936
Ties: 1903, 1907, 1929, 1949, 1963
Jun–Sep 1928
4-Month
69.4°F
(20.8°C)
71.6°F
(22.0°C)
-2.2°F
(-1.2°C)
10th Coolest Coolest since: 1924 1915, 1924
117th Warmest Warmest since: 1927 1936
Ties: 1917, 1951
May–Sep 1928
5-Month
68.0°F
(20.0°C)
69.7°F
(20.9°C)
-1.7°F
(-0.9°C)
14th Coolest Coolest since: 1927 1924
113th Warmest Warmest since: 1926 1936
Ties: 1910
Apr–Sep 1928
6-Month
64.6°F
(18.1°C)
66.7°F
(19.3°C)
-2.1°F
(-1.2°C)
8th Coolest Coolest since: 1924 1907
119th Warmest Warmest since: 1927 2010
Mar–Sep 1928
7-Month
61.1°F
(16.2°C)
62.9°F
(17.2°C)
-1.8°F
(-1.0°C)
10th Coolest Coolest since: 1926 1924
117th Warmest Warmest since: 1927 2012
Ties: 1926
Feb–Sep 1928
8-Month
57.4°F
(14.1°C)
58.6°F
(14.8°C)
-1.2°F
(-0.7°C)
21st Coolest Coolest since: 1924 1904
106th Warmest Warmest since: 1927 2012
Jan–Sep 1928
9-Month
54.1°F
(12.3°C)
55.0°F
(12.8°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1924 1904, 1912
95th Warmest Warmest since: 1927 2012
Ties: 1971, 1984
Dec 1927–Sep 1928
10-Month
51.4°F
(10.8°C)
52.4°F
(11.3°C)
-1.0°F
(-0.5°C)
24th Coolest Coolest since: 1926 1904
102nd Warmest Warmest since: 1927 2012
Ties: 1926
Nov 1927–Sep 1928
11-Month
50.7°F
(10.4°C)
51.4°F
(10.8°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1927 1904
95th Warmest Warmest since: 1927 2012
Ties: 1927, 1961, 1967, 2001
Oct 1927–Sep 1928
12-Month
51.3°F
(10.7°C)
51.7°F
(10.9°C)
-0.4°F
(-0.2°C)
44th Coolest Coolest since: 1927 1904
82nd Warmest Warmest since: 1925 2012
Ties: 1897, 1936, 1937, 1956, 1975, 2001
Apr 1927–Sep 1928
18-Month
55.9°F
(13.3°C)
56.7°F
(13.7°C)
-0.8°F
(-0.4°C)
29th Coolest Coolest since: 1927 1904, 1918
97th Warmest Warmest since: 1926 2012
Ties: 1984
Oct 1926–Sep 1928
24-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1927 1979
92nd Warmest Warmest since: 1926 2017
Ties: 1929, 1959, 1960, 1967
Oct 1925–Sep 1928
36-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
8th Coolest Coolest since: 1919 1979
116th Warmest Warmest since: 1927 2018
Ties: 1907, 1912, 1919, 1962, 1978
Oct 1924–Sep 1928
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1927 1905
89th Warmest Warmest since: 1925 2019
Ties: 1900, 1903, 1909, 1930, 1951, 1960, 1964, 1965, 1984
Oct 1923–Sep 1928
60-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
18th Coolest Coolest since: 1927 1906
104th Warmest Warmest since: 1927 2020
Ties: 1902, 1927, 1930, 1969

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/