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


Illinois

Average Temperature Rankings, September 1911

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1911
1-Month
68.8°F
(20.4°C)
66.2°F
(19.0°C)
2.6°F
(1.4°C)
98th Coolest Coolest since: 1910 1918
28th Warmest Warmest since: 1908 1925, 1933
Ties: 1919, 2017
Aug–Sep 1911
2-Month
70.6°F
(21.4°C)
69.8°F
(21.0°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1910 1967
45th Warmest Warmest since: 1908 1936
Ties: 1926, 1944, 1991
Jul–Sep 1911
3-Month
72.4°F
(22.4°C)
71.8°F
(22.1°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1910 1967
44th Warmest Warmest since: 1908 1936
Ties: 1908, 1922, 1926, 1937
Jun–Sep 1911
4-Month
73.1°F
(22.8°C)
71.6°F
(22.0°C)
1.5°F
(0.8°C)
98th Coolest Coolest since: 1910 1915, 1924
28th Warmest Warmest since: 1901 1936
Ties: 1952, 1955, 1959, 1991
May–Sep 1911
5-Month
72.0°F
(22.2°C)
69.7°F
(20.9°C)
2.3°F
(1.3°C)
113th Coolest Coolest since: 1910 1924
13th Warmest Warmest to Date 1936
Apr–Sep 1911
6-Month
68.2°F
(20.1°C)
66.7°F
(19.3°C)
1.5°F
(0.8°C)
102nd Coolest Coolest since: 1910 1907
24th Warmest Warmest since: 1896 2010
Ties: 1931, 1986, 2002
Mar–Sep 1911
7-Month
64.3°F
(17.9°C)
62.9°F
(17.2°C)
1.4°F
(0.7°C)
106th Coolest Coolest since: 1910 1924
20th Warmest Warmest to Date 2012
Ties: 1922, 1941, 1954
Feb–Sep 1911
8-Month
60.4°F
(15.8°C)
58.7°F
(14.8°C)
1.7°F
(1.0°C)
109th Coolest Coolest since: 1910 1904
17th Warmest Warmest to Date 2012
Jan–Sep 1911
9-Month
56.8°F
(13.8°C)
54.9°F
(12.7°C)
1.9°F
(1.1°C)
106th Coolest Coolest since: 1910 1904, 1912
20th Warmest Warmest to Date 2012
Dec 1910–Sep 1911
10-Month
53.7°F
(12.1°C)
52.4°F
(11.3°C)
1.3°F
(0.8°C)
97th Coolest Coolest since: 1910 1904
28th Warmest Warmest to Date 2012
Ties: 1988
Nov 1910–Sep 1911
11-Month
52.1°F
(11.2°C)
51.4°F
(10.8°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1910 1904
37th Warmest Warmest to Date 2012
Ties: 1913
Oct 1910–Sep 1911
12-Month
52.5°F
(11.4°C)
51.7°F
(10.9°C)
0.8°F
(0.5°C)
88th Coolest Coolest since: 1910 1904
37th Warmest Warmest to Date 2012
Ties: 1957
Apr 1910–Sep 1911
18-Month
56.8°F
(13.8°C)
56.7°F
(13.7°C)
0.1°F
(0.1°C)
67th Coolest Coolest since: 1910 1904, 1918
58th Warmest Warmest since: 1901 2012
Ties: 1974
Oct 1909–Sep 1911
24-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 1910 1979
62nd Warmest Warmest since: 1909 2017
Ties: 1909, 1915, 1920, 1936, 1944, 1981
Oct 1908–Sep 1911
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1910 1979
56th Warmest Warmest since: 1898 2018
Ties: 1898, 1946, 1966, 1975
Oct 1907–Sep 1911
48-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
55th Coolest Coolest since: 1910 1905
67th Warmest Warmest to Date 2019
Ties: 1947, 1948, 1983, 1995
Oct 1906–Sep 1911
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1910 1906
70th Warmest Warmest to Date 2002
Ties: 1914, 1952, 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 24, 2020 from https://www.ncdc.noaa.gov/cag/