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


Iowa

Average Temperature Rankings, September 1928

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1928
1-Month
59.5°F
(15.3°C)
63.0°F
(17.2°C)
-3.5°F
(-1.9°C)
12th Coolest Coolest since: 1924 1896, 1993
114th Warmest Warmest since: 1927 1897, 1931
Aug–Sep 1928
2-Month
65.7°F
(18.7°C)
67.2°F
(19.6°C)
-1.5°F
(-0.9°C)
22nd Coolest Coolest since: 1924 1974, 1992
104th Warmest Warmest since: 1927 1947
Ties: 1904
Jul–Sep 1928
3-Month
68.2°F
(20.1°C)
69.4°F
(20.8°C)
-1.2°F
(-0.7°C)
24th Coolest Coolest since: 1924 1992
102nd Warmest Warmest since: 1927 1936
Ties: 1945, 1966
Jun–Sep 1928
4-Month
67.2°F
(19.6°C)
69.4°F
(20.8°C)
-2.2°F
(-1.2°C)
13th Coolest Coolest since: 1924 1915
113th Warmest Warmest since: 1927 1936
May–Sep 1928
5-Month
66.1°F
(18.9°C)
67.5°F
(19.7°C)
-1.4°F
(-0.8°C)
22nd Coolest Coolest since: 1927 1915
104th Warmest Warmest since: 1926 1936
Apr–Sep 1928
6-Month
62.2°F
(16.8°C)
64.2°F
(17.9°C)
-2.0°F
(-1.1°C)
13th Coolest Coolest since: 1924 1907
113th Warmest Warmest since: 1927 1936
Ties: 1915
Mar–Sep 1928
7-Month
58.7°F
(14.8°C)
60.0°F
(15.6°C)
-1.3°F
(-0.8°C)
24th Coolest Coolest since: 1924 1951
102nd Warmest Warmest since: 1927 2012
Feb–Sep 1928
8-Month
54.8°F
(12.7°C)
55.4°F
(13.0°C)
-0.6°F
(-0.3°C)
42nd Coolest Coolest since: 1924 1950
84th Warmest Warmest since: 1927 2012
Ties: 1906, 1940, 1944, 1997
Jan–Sep 1928
9-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
65th Coolest Coolest since: 1924 1912
61st Warmest Warmest since: 1927 2012
Ties: 1906, 1948
Dec 1927–Sep 1928
10-Month
47.8°F
(8.8°C)
48.3°F
(9.1°C)
-0.5°F
(-0.3°C)
46th Coolest Coolest since: 1924 1979
79th Warmest Warmest since: 1927 2012
Ties: 1909, 1936, 1966, 2011
Nov 1927–Sep 1928
11-Month
46.8°F
(8.2°C)
47.2°F
(8.4°C)
-0.4°F
(-0.2°C)
49th Coolest Coolest since: 1927 1912
76th Warmest Warmest since: 1927 2012
Ties: 1898, 1916, 1927, 1959, 1974
Oct 1927–Sep 1928
12-Month
47.4°F
(8.6°C)
47.6°F
(8.7°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1927 1912
69th Warmest Warmest since: 1925 2012
Ties: 1959, 1966, 1973, 1977, 1989, 2003
Apr 1927–Sep 1928
18-Month
52.5°F
(11.4°C)
53.1°F
(11.7°C)
-0.6°F
(-0.3°C)
35th Coolest Coolest since: 1924 1951
90th Warmest Warmest since: 1927 2012
Ties: 1943, 1946, 1958, 1968, 1978
Oct 1926–Sep 1928
24-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
44th Coolest Coolest since: 1927 1979
80th Warmest Warmest since: 1926 2017
Ties: 1908, 1910, 1930, 1944, 1968, 1975, 2010
Oct 1925–Sep 1928
36-Month
46.9°F
(8.3°C)
47.5°F
(8.6°C)
-0.6°F
(-0.3°C)
24th Coolest Coolest since: 1919 1979
99th Warmest Warmest since: 1927 2000
Ties: 1900, 1929, 1963, 1969, 1970, 1995, 1996
Oct 1924–Sep 1928
48-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1927 1905, 1918
69th Warmest Warmest since: 1925 1934
Ties: 1946, 1954, 1964, 1966
Oct 1923–Sep 1928
60-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 1920 1906, 1907
89th Warmest Warmest since: 1927 2002
Ties: 1902, 1909, 1912, 1913, 1917, 1954, 1965, 1966, 1974, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 10, 2019 from https://www.ncdc.noaa.gov/cag/