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 1915

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1915
1-Month
67.5°F
(19.7°C)
66.2°F
(19.0°C)
1.3°F
(0.7°C)
77th Coolest Coolest since: 1914 1918
49th Warmest Warmest since: 1911 1925, 1933
Aug–Sep 1915
2-Month
67.2°F
(19.6°C)
69.8°F
(21.0°C)
-2.6°F
(-1.4°C)
9th Coolest Coolest since: 1902 1967
117th Warmest Warmest since: 1914 1936
Ties: 1976
Jul–Sep 1915
3-Month
68.9°F
(20.5°C)
71.8°F
(22.1°C)
-2.9°F
(-1.6°C)
5th Coolest Coolest to Date 1967
121st Warmest Warmest since: 1914 1936
Jun–Sep 1915
4-Month
68.6°F
(20.3°C)
71.6°F
(22.0°C)
-3.0°F
(-1.7°C)
1st Coolest Coolest to Date 1915, 1924
125th Warmest Warmest since: 1914 1936
Ties: 1924
May–Sep 1915
5-Month
66.7°F
(19.3°C)
69.7°F
(20.9°C)
-3.0°F
(-1.6°C)
3rd Coolest Coolest to Date 1924
123rd Warmest Warmest since: 1914 1936
Ties: 1917
Apr–Sep 1915
6-Month
65.2°F
(18.4°C)
66.7°F
(19.3°C)
-1.5°F
(-0.9°C)
14th Coolest Coolest since: 1907 1907
112th Warmest Warmest since: 1914 2010
Ties: 1920, 1927
Mar–Sep 1915
7-Month
60.8°F
(16.0°C)
62.8°F
(17.1°C)
-2.0°F
(-1.1°C)
5th Coolest Coolest since: 1907 1924
121st Warmest Warmest since: 1914 2012
Ties: 1907, 1951
Feb–Sep 1915
8-Month
57.6°F
(14.2°C)
58.7°F
(14.8°C)
-1.1°F
(-0.6°C)
25th Coolest Coolest since: 1912 1904
101st Warmest Warmest since: 1914 2012
Ties: 1926, 1929
Jan–Sep 1915
9-Month
53.6°F
(12.0°C)
54.9°F
(12.7°C)
-1.3°F
(-0.7°C)
22nd Coolest Coolest since: 1912 1904, 1912
104th Warmest Warmest since: 1914 2012
Ties: 1950, 1963
Dec 1914–Sep 1915
10-Month
50.5°F
(10.3°C)
52.4°F
(11.3°C)
-1.9°F
(-1.0°C)
13th Coolest Coolest since: 1912 1904
112th Warmest Warmest since: 1914 2012
Ties: 1899
Nov 1914–Sep 1915
11-Month
49.9°F
(9.9°C)
51.4°F
(10.8°C)
-1.5°F
(-0.9°C)
15th Coolest Coolest since: 1912 1904
110th Warmest Warmest since: 1914 2012
Ties: 1940, 1984
Oct 1914–Sep 1915
12-Month
50.5°F
(10.3°C)
51.7°F
(10.9°C)
-1.2°F
(-0.6°C)
21st Coolest Coolest since: 1912 1904
104th Warmest Warmest since: 1914 2012
Ties: 1907, 1940, 1970, 1997
Apr 1914–Sep 1915
18-Month
56.4°F
(13.6°C)
56.6°F
(13.7°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1912 1904, 1918
80th Warmest Warmest since: 1914 2012
Ties: 1952, 1980
Oct 1913–Sep 1915
24-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 1913 1979
62nd Warmest Warmest since: 1914 2017
Ties: 1909, 1911, 1920, 1936, 1944, 1981
Oct 1912–Sep 1915
36-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1914 1979
49th Warmest Warmest to Date 2018
Ties: 1948, 1985, 2016
Oct 1911–Sep 1915
48-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1913 1905
98th Warmest Warmest since: 1914 2019
Ties: 1899, 1913, 1917, 1926, 1968, 1997
Oct 1910–Sep 1915
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1913 1906
80th Warmest Warmest since: 1914 2002
Ties: 1901, 1917, 1921, 1926, 1951, 1968, 1984, 1985, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 28, 2020 from https://www.ncdc.noaa.gov/cag/