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 December 2019. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2009
1-Month
63.3°F
(17.4°C)
63.0°F
(17.2°C)
0.3°F
(0.2°C)
66th Coolest Coolest since: 2006 1896, 1993
60th Warmest Warmest since: 2008 1897, 1931
Aug–Sep 2009
2-Month
65.8°F
(18.8°C)
67.2°F
(19.6°C)
-1.4°F
(-0.8°C)
24th Coolest Coolest since: 1999 1974, 1992
102nd Warmest Warmest since: 2008 1947
Ties: 1912, 1942, 1986, 1989
Jul–Sep 2009
3-Month
66.5°F
(19.2°C)
69.4°F
(20.8°C)
-2.9°F
(-1.6°C)
7th Coolest Coolest since: 1992 1992
119th Warmest Warmest since: 2008 1936
Ties: 1951
Jun–Sep 2009
4-Month
67.1°F
(19.5°C)
69.3°F
(20.7°C)
-2.2°F
(-1.2°C)
11th Coolest Coolest since: 1993 1915
115th Warmest Warmest since: 2008 1936
Ties: 1904
May–Sep 2009
5-Month
65.7°F
(18.7°C)
67.5°F
(19.7°C)
-1.8°F
(-1.0°C)
17th Coolest Coolest since: 1996 1915
109th Warmest Warmest since: 2008 1936
Apr–Sep 2009
6-Month
62.6°F
(17.0°C)
64.3°F
(17.9°C)
-1.7°F
(-0.9°C)
18th Coolest Coolest since: 1996 1907
108th Warmest Warmest since: 2008 1936
Ties: 1920
Mar–Sep 2009
7-Month
58.9°F
(14.9°C)
60.0°F
(15.6°C)
-1.1°F
(-0.7°C)
29th Coolest Coolest since: 2008 1951
97th Warmest Warmest since: 2007 2012
Ties: 1902, 1920
Feb–Sep 2009
8-Month
54.9°F
(12.7°C)
55.3°F
(12.9°C)
-0.4°F
(-0.2°C)
47th Coolest Coolest since: 2008 1950
79th Warmest Warmest since: 2007 2012
Ties: 1992, 1994, 2001, 2003
Jan–Sep 2009
9-Month
50.3°F
(10.2°C)
51.2°F
(10.7°C)
-0.9°F
(-0.5°C)
34th Coolest Coolest since: 2008 1912
92nd Warmest Warmest since: 2007 2012
Ties: 1895, 1903, 1909, 1916, 1997
Dec 2008–Sep 2009
10-Month
47.0°F
(8.3°C)
48.3°F
(9.1°C)
-1.3°F
(-0.8°C)
25th Coolest Coolest since: 2008 1979
100th Warmest Warmest since: 2007 2012
Ties: 1907, 1943, 2001
Nov 2008–Sep 2009
11-Month
46.1°F
(7.8°C)
47.2°F
(8.4°C)
-1.1°F
(-0.6°C)
29th Coolest Coolest since: 2008 1912
96th Warmest Warmest since: 2007 2012
Ties: 1918, 1943
Oct 2008–Sep 2009
12-Month
46.5°F
(8.1°C)
47.5°F
(8.6°C)
-1.0°F
(-0.5°C)
29th Coolest Coolest since: 2001 1912
96th Warmest Warmest since: 2008 2012
Ties: 1897, 1956, 1994
Apr 2008–Sep 2009
18-Month
52.1°F
(11.2°C)
53.1°F
(11.7°C)
-1.0°F
(-0.5°C)
21st Coolest Coolest since: 1997 1951
104th Warmest Warmest since: 2008 2012
Ties: 1903, 1960, 1965, 1969
Oct 2007–Sep 2009
24-Month
46.5°F
(8.1°C)
47.5°F
(8.6°C)
-1.0°F
(-0.5°C)
19th Coolest Coolest since: 1997 1979
105th Warmest Warmest since: 2008 2017
Ties: 1900, 1960, 1962, 1966
Oct 2006–Sep 2009
36-Month
47.5°F
(8.6°C)
47.5°F
(8.6°C)
0.0°F
(0.0°C)
67th Coolest Coolest since: 1998 1979
56th Warmest Warmest since: 2008 2000
Ties: 1910, 1925, 1959, 1964, 1978
Oct 2005–Sep 2009
48-Month
48.0°F
(8.9°C)
47.4°F
(8.6°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1999 1905, 1918
40th Warmest Warmest since: 2008 1934
Ties: 1937, 1939, 1987
Oct 2004–Sep 2009
60-Month
48.5°F
(9.2°C)
47.5°F
(8.6°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 2000 1906, 1907
19th Warmest Warmest since: 2008 2002
Ties: 1925, 1989, 2013, 2018

Citing This Page

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