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 1931

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1931
1-Month
70.0°F
(21.1°C)
63.0°F
(17.2°C)
7.0°F
(3.9°C)
125th Coolest Coolest since: 1930 1896, 1993
1st Warmest Warmest since: 1897 1897, 1931
Ties: 1897
Aug–Sep 1931
2-Month
70.9°F
(21.6°C)
67.2°F
(19.6°C)
3.7°F
(2.0°C)
122nd Coolest Coolest since: 1930 1974, 1992
4th Warmest Warmest to Date 1947
Ties: 1937
Jul–Sep 1931
3-Month
72.8°F
(22.7°C)
69.4°F
(20.8°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 1930 1992
4th Warmest Warmest to Date 1936
Jun–Sep 1931
4-Month
73.2°F
(22.9°C)
69.3°F
(20.7°C)
3.9°F
(2.2°C)
124th Coolest Coolest since: 1930 1915
2nd Warmest Warmest to Date 1936
May–Sep 1931
5-Month
69.9°F
(21.1°C)
67.4°F
(19.7°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 1930 1915
9th Warmest Warmest since: 1921 1936
Ties: 1901, 1955
Apr–Sep 1931
6-Month
66.6°F
(19.2°C)
64.2°F
(17.9°C)
2.4°F
(1.3°C)
116th Coolest Coolest since: 1930 1907
10th Warmest Warmest since: 1921 1936
Mar–Sep 1931
7-Month
61.9°F
(16.6°C)
60.0°F
(15.6°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 1930 1951
16th Warmest Warmest since: 1925 2012
Ties: 1941, 2005
Feb–Sep 1931
8-Month
58.4°F
(14.7°C)
55.3°F
(12.9°C)
3.1°F
(1.8°C)
121st Coolest Coolest since: 1930 1950
5th Warmest Warmest since: 1921 2012
Jan–Sep 1931
9-Month
54.9°F
(12.7°C)
51.1°F
(10.6°C)
3.8°F
(2.1°C)
122nd Coolest Coolest since: 1930 1912
4th Warmest Warmest since: 1921 2012
Dec 1930–Sep 1931
10-Month
51.9°F
(11.1°C)
48.3°F
(9.1°C)
3.6°F
(2.0°C)
121st Coolest Coolest since: 1930 1979
4th Warmest Warmest since: 1921 2012
Nov 1930–Sep 1931
11-Month
50.8°F
(10.4°C)
47.2°F
(8.4°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 1930 1912
3rd Warmest Warmest since: 1921 2012
Ties: 1921, 2002
Oct 1930–Sep 1931
12-Month
50.7°F
(10.4°C)
47.5°F
(8.6°C)
3.2°F
(1.8°C)
119th Coolest Coolest since: 1930 1912
6th Warmest Warmest since: 1921 2012
Ties: 2000
Apr 1930–Sep 1931
18-Month
55.7°F
(13.2°C)
53.1°F
(11.7°C)
2.6°F
(1.5°C)
122nd Coolest Coolest since: 1930 1951
3rd Warmest Warmest to Date 2012
Ties: 2016
Oct 1929–Sep 1931
24-Month
49.4°F
(9.7°C)
47.5°F
(8.6°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 1930 1979
13th Warmest Warmest since: 1922 2017
Ties: 2016
Oct 1928–Sep 1931
36-Month
48.4°F
(9.1°C)
47.5°F
(8.6°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 1930 1979
28th Warmest Warmest since: 1923 2000
Ties: 1922, 1939, 1942, 1990, 1992, 2014
Oct 1927–Sep 1931
48-Month
48.1°F
(8.9°C)
47.5°F
(8.6°C)
0.6°F
(0.3°C)
88th Coolest Coolest since: 1930 1905, 1918
34th Warmest Warmest since: 1924 1934
Ties: 1921, 1940, 1944, 1983, 1992
Oct 1926–Sep 1931
60-Month
47.9°F
(8.8°C)
47.5°F
(8.6°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1930 1906, 1907
44th Warmest Warmest since: 1925 2002
Ties: 1944, 1945

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/