Climate at a Glance

Divisional 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 June 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 2015

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 2015
1-Month
68.6°F
(20.3°C)
63.7°F
(17.6°C)
4.9°F
(2.7°C)
120th Coolest Coolest since: 2014 1918
7th Warmest Warmest since: 2005 1897
Aug–Sep 2015
2-Month
69.4°F
(20.8°C)
67.4°F
(19.7°C)
2.0°F
(1.1°C)
104th Coolest Coolest since: 2014 1902
23rd Warmest Warmest since: 2010 1947
Ties: 2019
Jul–Sep 2015
3-Month
70.1°F
(21.2°C)
69.4°F
(20.8°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 2014 1924
47th Warmest Warmest since: 2012 1936
Ties: 1922, 1953, 1970
Jun–Sep 2015
4-Month
69.5°F
(20.8°C)
69.2°F
(20.7°C)
0.3°F
(0.1°C)
68th Coolest Coolest since: 2014 1915
59th Warmest Warmest since: 2012 2005
Ties: 1937, 1968
May–Sep 2015
5-Month
67.9°F
(19.9°C)
67.1°F
(19.5°C)
0.8°F
(0.4°C)
83rd Coolest Coolest since: 2014 1924
44th Warmest Warmest since: 2012 1921, 1988
Ties: 1906, 1978
Apr–Sep 2015
6-Month
65.0°F
(18.3°C)
63.9°F
(17.7°C)
1.1°F
(0.6°C)
91st Coolest Coolest since: 2014 1907
36th Warmest Warmest since: 2012 1921
Ties: 1906, 1919, 1930, 1970
Mar–Sep 2015
7-Month
60.5°F
(15.8°C)
59.9°F
(15.5°C)
0.6°F
(0.3°C)
77th Coolest Coolest since: 2014 1924
50th Warmest Warmest since: 2012 2012
Ties: 1908, 1953, 1963, 1990
Feb–Sep 2015
8-Month
54.8°F
(12.7°C)
55.5°F
(13.1°C)
-0.7°F
(-0.4°C)
35th Coolest Coolest since: 2014 1904, 1917
92nd Warmest Warmest since: 2013 2012
Ties: 1903, 1914, 1937, 1943, 1992
Jan–Sep 2015
9-Month
51.0°F
(10.6°C)
51.7°F
(10.9°C)
-0.7°F
(-0.3°C)
38th Coolest Coolest since: 2014 1904, 1912
89th Warmest Warmest since: 2013 2012
Ties: 1943, 1969
Dec 2014–Sep 2015
10-Month
49.1°F
(9.5°C)
49.2°F
(9.6°C)
-0.1°F
(-0.1°C)
62nd Coolest Coolest since: 2014 1904
64th Warmest Warmest since: 2013 2012
Ties: 1975
Nov 2014–Sep 2015
11-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
39th Coolest Coolest since: 2014 1904
87th Warmest Warmest since: 2013 2012
Ties: 1923, 1928, 1956, 1969, 1994
Oct 2014–Sep 2015
12-Month
47.9°F
(8.8°C)
48.5°F
(9.2°C)
-0.6°F
(-0.4°C)
38th Coolest Coolest since: 2014 1904
88th Warmest Warmest since: 2013 2012
Apr 2014–Sep 2015
18-Month
53.1°F
(11.7°C)
53.6°F
(12.0°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest since: 2014 1904
89th Warmest Warmest since: 2013 2012
Ties: 1907, 1915, 1925, 1943, 1946
Oct 2013–Sep 2015
24-Month
46.8°F
(8.2°C)
48.5°F
(9.2°C)
-1.7°F
(-1.0°C)
6th Coolest Coolest since: 1979 1918
119th Warmest Warmest since: 2014 2017
Ties: 1978
Oct 2012–Sep 2015
36-Month
47.6°F
(8.7°C)
48.5°F
(9.2°C)
-0.9°F
(-0.5°C)
13th Coolest Coolest since: 1980 1979
111th Warmest Warmest since: 2014 2000
Ties: 1920, 1927
Oct 2011–Sep 2015
48-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2011 1905, 1918
39th Warmest Warmest since: 2014 2001, 2002, 2019
Ties: 1941, 1976, 1998
Oct 2010–Sep 2015
60-Month
49.0°F
(9.4°C)
48.4°F
(9.1°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1998 1905, 1906
40th Warmest Warmest since: 2014 2002
Ties: 1922, 1955, 1958, 1976, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2021, retrieved on July 26, 2021 from https://www.ncdc.noaa.gov/cag/