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


Iowa

Average Temperature Rankings, September 1909

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1909
1-Month
61.5°F
(16.4°C)
63.0°F
(17.2°C)
-1.5°F
(-0.8°C)
34th Coolest Coolest since: 1903 1896, 1993
92nd Warmest Warmest since: 1908 1897, 1931
Aug–Sep 1909
2-Month
68.4°F
(20.2°C)
67.1°F
(19.5°C)
1.3°F
(0.7°C)
88th Coolest Coolest since: 1908 1974, 1992
38th Warmest Warmest since: 1906 1947
Ties: 1935, 1960
Jul–Sep 1909
3-Month
69.6°F
(20.9°C)
69.5°F
(20.8°C)
0.1°F
(0.1°C)
73rd Coolest Coolest since: 1907 1992
53rd Warmest Warmest since: 1908 1936
Ties: 1898, 1905, 1923, 1926, 1957, 1977, 2001
Jun–Sep 1909
4-Month
69.3°F
(20.7°C)
69.3°F
(20.7°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1908 1915
74th Warmest Warmest since: 1906 1936
Ties: 1944, 1976, 1984, 2000, 2001
May–Sep 1909
5-Month
66.9°F
(19.4°C)
67.4°F
(19.7°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1908 1915
83rd Warmest Warmest since: 1908 1936
Ties: 1908, 1972, 1994
Apr–Sep 1909
6-Month
62.9°F
(17.2°C)
64.2°F
(17.9°C)
-1.3°F
(-0.7°C)
23rd Coolest Coolest since: 1907 1907
103rd Warmest Warmest since: 1908 1936
Mar–Sep 1909
7-Month
58.4°F
(14.7°C)
60.0°F
(15.6°C)
-1.6°F
(-0.9°C)
15th Coolest Coolest since: 1907 1951
111th Warmest Warmest since: 1908 2012
Ties: 1899, 1975, 1984
Feb–Sep 1909
8-Month
54.2°F
(12.3°C)
55.4°F
(13.0°C)
-1.2°F
(-0.7°C)
29th Coolest Coolest since: 1907 1950
97th Warmest Warmest since: 1908 2012
Ties: 1969, 1972
Jan–Sep 1909
9-Month
50.3°F
(10.2°C)
51.1°F
(10.6°C)
-0.8°F
(-0.4°C)
34th Coolest Coolest since: 1907 1912
92nd Warmest Warmest since: 1908 2012
Ties: 1895, 1903, 1916, 1997, 2009
Dec 1908–Sep 1909
10-Month
47.8°F
(8.8°C)
48.3°F
(9.1°C)
-0.5°F
(-0.3°C)
46th Coolest Coolest since: 1907 1979
79th Warmest Warmest since: 1908 2012
Ties: 1928, 1936, 1966, 2011
Nov 1908–Sep 1909
11-Month
46.9°F
(8.3°C)
47.2°F
(8.4°C)
-0.3°F
(-0.1°C)
55th Coolest Coolest since: 1907 1912
70th Warmest Warmest since: 1908 2012
Ties: 1966, 2011
Oct 1908–Sep 1909
12-Month
47.2°F
(8.4°C)
47.6°F
(8.7°C)
-0.4°F
(-0.3°C)
49th Coolest Coolest since: 1907 1912
76th Warmest Warmest since: 1908 2012
Ties: 1896, 1910, 1940
Apr 1908–Sep 1909
18-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
47th Coolest Coolest since: 1908 1951
78th Warmest Warmest since: 1906 2012
Ties: 1926, 1945, 1961, 1971, 1973, 1986, 2010, 2019
Oct 1907–Sep 1909
24-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
75th Coolest Coolest since: 1908 1979
49th Warmest Warmest since: 1901 2017
Ties: 1915, 1943, 1949, 1984, 2011
Oct 1906–Sep 1909
36-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 1907 1979
82nd Warmest Warmest since: 1908 2000
Ties: 1914, 1950, 1958, 1981, 1998
Oct 1905–Sep 1909
48-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1908 1905, 1918
75th Warmest Warmest since: 1903 1934
Ties: 1901, 1950, 1975, 1978, 1985
Oct 1904–Sep 1909
60-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 1908 1906, 1907
89th Warmest Warmest since: 1902 2002
Ties: 1902, 1912, 1913, 1917, 1928, 1954, 1965, 1966, 1974, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 9, 2019 from https://www.ncdc.noaa.gov/cag/