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 1965

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1965
1-Month
65.9°F
(18.8°C)
66.2°F
(19.0°C)
-0.3°F
(-0.2°C)
56th Coolest Coolest since: 1962 1918
71st Warmest Warmest since: 1964 1925, 1933
Ties: 1910, 2009
Aug–Sep 1965
2-Month
68.8°F
(20.4°C)
69.8°F
(21.0°C)
-1.0°F
(-0.6°C)
35th Coolest Coolest since: 1963 1967
92nd Warmest Warmest since: 1964 1936
Ties: 1996
Jul–Sep 1965
3-Month
70.4°F
(21.3°C)
71.7°F
(22.1°C)
-1.3°F
(-0.8°C)
21st Coolest Coolest since: 1962 1967
106th Warmest Warmest since: 1964 1936
Ties: 1981, 1982
Jun–Sep 1965
4-Month
70.6°F
(21.4°C)
71.7°F
(22.1°C)
-1.1°F
(-0.7°C)
30th Coolest Coolest since: 1962 1915, 1924
97th Warmest Warmest since: 1964 1936
Ties: 1896, 1946
May–Sep 1965
5-Month
69.9°F
(21.1°C)
69.7°F
(20.9°C)
0.2°F
(0.2°C)
66th Coolest Coolest since: 1963 1924
61st Warmest Warmest since: 1964 1936
Ties: 1908, 1916, 2000, 2001
Apr–Sep 1965
6-Month
67.1°F
(19.5°C)
66.7°F
(19.3°C)
0.4°F
(0.2°C)
73rd Coolest Coolest since: 1963 1907
54th Warmest Warmest since: 1964 2010
Ties: 1983
Mar–Sep 1965
7-Month
61.9°F
(16.6°C)
62.9°F
(17.2°C)
-1.0°F
(-0.6°C)
29th Coolest Coolest since: 1961 1924
98th Warmest Warmest since: 1964 2012
Ties: 1902, 1923, 1989
Feb–Sep 1965
8-Month
57.7°F
(14.3°C)
58.6°F
(14.8°C)
-0.9°F
(-0.5°C)
28th Coolest Coolest since: 1960 1904
99th Warmest Warmest since: 1964 2012
Ties: 1905, 1966, 2008
Jan–Sep 1965
9-Month
54.3°F
(12.4°C)
55.0°F
(12.8°C)
-0.7°F
(-0.4°C)
39th Coolest Coolest since: 1963 1904, 1912
88th Warmest Warmest since: 1964 2012
Ties: 1903, 1923, 1972, 1985, 2008
Dec 1964–Sep 1965
10-Month
51.6°F
(10.9°C)
52.4°F
(11.3°C)
-0.8°F
(-0.4°C)
30th Coolest Coolest since: 1963 1904
96th Warmest Warmest since: 1964 2012
Ties: 1903, 1945, 1961
Nov 1964–Sep 1965
11-Month
51.0°F
(10.6°C)
51.4°F
(10.8°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1963 1904
81st Warmest Warmest since: 1964 2012
Ties: 1910, 1936, 1956, 2008
Oct 1964–Sep 1965
12-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
33rd Coolest Coolest since: 1963 1904
93rd Warmest Warmest since: 1964 2012
Ties: 1927, 1961, 1968, 1989, 1993, 2003
Apr 1964–Sep 1965
18-Month
56.7°F
(13.7°C)
56.7°F
(13.7°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1963 1904, 1918
66th Warmest Warmest since: 1964 2012
Ties: 1909, 1945, 1948, 1990, 2003
Oct 1963–Sep 1965
24-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 1964 1979
52nd Warmest Warmest since: 1957 2017
Ties: 1898, 1941, 1948, 1950, 1972, 1989, 2004
Oct 1962–Sep 1965
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1964 1979
78th Warmest Warmest since: 1959 2018
Ties: 1924, 1930, 1958
Oct 1961–Sep 1965
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1964 1905
89th Warmest Warmest since: 1964 2019
Ties: 1900, 1903, 1909, 1928, 1930, 1951, 1960, 1964, 1984
Oct 1960–Sep 1965
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
29th Coolest Coolest since: 1964 1906
93rd Warmest Warmest since: 1961 2020
Ties: 1913, 1916, 1929, 1961, 1972

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 15, 2021 from https://www.ncdc.noaa.gov/cag/