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 August 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1991
1-Month
63.5°F
(17.5°C)
63.7°F
(17.6°C)
-0.2°F
(-0.1°C)
55th Coolest Coolest since: 1989 1918
73rd Warmest Warmest since: 1990 1897
Ties: 1969
Aug–Sep 1991
2-Month
68.4°F
(20.2°C)
67.5°F
(19.7°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 1990 1902
43rd Warmest Warmest since: 1988 1947
Ties: 1905, 1920, 2003
Jul–Sep 1991
3-Month
70.6°F
(21.4°C)
69.4°F
(20.8°C)
1.2°F
(0.6°C)
95th Coolest Coolest since: 1990 1924
33rd Warmest Warmest since: 1988 1936
Ties: 1895, 1930, 1978
Jun–Sep 1991
4-Month
71.2°F
(21.8°C)
69.2°F
(20.7°C)
2.0°F
(1.1°C)
110th Coolest Coolest since: 1990 1915
18th Warmest Warmest since: 1988 2005
May–Sep 1991
5-Month
70.2°F
(21.2°C)
67.2°F
(19.6°C)
3.0°F
(1.6°C)
124th Coolest Coolest since: 1990 1924
4th Warmest Warmest since: 1988 1921, 1988
Ties: 1934, 1936
Apr–Sep 1991
6-Month
67.2°F
(19.6°C)
63.9°F
(17.7°C)
3.3°F
(1.9°C)
126th Coolest Coolest since: 1990 1907
2nd Warmest Warmest since: 1921 1921
Ties: 2010
Mar–Sep 1991
7-Month
63.3°F
(17.4°C)
59.9°F
(15.5°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 1990 1924
4th Warmest Warmest since: 1921 2012
Feb–Sep 1991
8-Month
59.1°F
(15.1°C)
55.5°F
(13.1°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 1990 1904, 1917
4th Warmest Warmest since: 1921 2012
Jan–Sep 1991
9-Month
54.7°F
(12.6°C)
51.7°F
(10.9°C)
3.0°F
(1.7°C)
122nd Coolest Coolest since: 1990 1904, 1912
6th Warmest Warmest since: 1987 2012
Ties: 2005, 2017
Dec 1990–Sep 1991
10-Month
52.0°F
(11.1°C)
49.1°F
(9.5°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 1990 1904
7th Warmest Warmest since: 1987 2012
Ties: 2005
Nov 1990–Sep 1991
11-Month
51.3°F
(10.7°C)
48.2°F
(9.0°C)
3.1°F
(1.7°C)
121st Coolest Coolest since: 1990 1904
6th Warmest Warmest since: 1921 2012
Oct 1990–Sep 1991
12-Month
51.2°F
(10.7°C)
48.4°F
(9.1°C)
2.8°F
(1.6°C)
119th Coolest Coolest since: 1990 1904
8th Warmest Warmest since: 1987 2012
Ties: 1987
Apr 1990–Sep 1991
18-Month
55.4°F
(13.0°C)
53.6°F
(12.0°C)
1.8°F
(1.0°C)
114th Coolest Coolest since: 1990 1904
13th Warmest Warmest since: 1988 2012
Ties: 1988, 2021
Oct 1989–Sep 1991
24-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 1990 1918
16th Warmest Warmest since: 1988 2017
Ties: 2002
Oct 1988–Sep 1991
36-Month
49.5°F
(9.7°C)
48.4°F
(9.1°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1990 1979
28th Warmest Warmest since: 1989 2000
Ties: 1922, 2003, 2014, 2020
Oct 1987–Sep 1991
48-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
104th Coolest Coolest since: 1990 1905, 1918
20th Warmest Warmest since: 1990 2001, 2002, 2019
Ties: 1935, 1956, 1990
Oct 1986–Sep 1991
60-Month
49.9°F
(9.9°C)
48.4°F
(9.1°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 1990 1905, 1906
10th Warmest Warmest to Date 2002
Ties: 2005, 2012, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on October 6, 2022 from https://www.ncdc.noaa.gov/cag/