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 1941

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1941
1-Month
65.4°F
(18.6°C)
63.0°F
(17.2°C)
2.4°F
(1.4°C)
98th Coolest Coolest since: 1940 1896, 1993
28th Warmest Warmest since: 1939 1897, 1931
Ties: 1920, 1955
Aug–Sep 1941
2-Month
69.8°F
(21.0°C)
67.2°F
(19.6°C)
2.6°F
(1.4°C)
113th Coolest Coolest since: 1940 1974, 1992
13th Warmest Warmest since: 1938 1947
Ties: 1925
Jul–Sep 1941
3-Month
71.3°F
(21.8°C)
69.4°F
(20.8°C)
1.9°F
(1.0°C)
108th Coolest Coolest since: 1940 1992
18th Warmest Warmest since: 1938 1936
Ties: 1900, 1919, 2005
Jun–Sep 1941
4-Month
70.8°F
(21.6°C)
69.3°F
(20.7°C)
1.5°F
(0.9°C)
101st Coolest Coolest since: 1940 1915
25th Warmest Warmest since: 1939 1936
Ties: 1947, 2007
May–Sep 1941
5-Month
69.7°F
(20.9°C)
67.4°F
(19.7°C)
2.3°F
(1.2°C)
113th Coolest Coolest since: 1940 1915
13th Warmest Warmest since: 1939 1936
Apr–Sep 1941
6-Month
66.9°F
(19.4°C)
64.2°F
(17.9°C)
2.7°F
(1.5°C)
119th Coolest Coolest since: 1940 1907
7th Warmest Warmest since: 1936 1936
Ties: 2012
Mar–Sep 1941
7-Month
61.9°F
(16.6°C)
60.0°F
(15.6°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 1940 1951
16th Warmest Warmest since: 1938 2012
Ties: 1931, 2005
Feb–Sep 1941
8-Month
56.8°F
(13.8°C)
55.4°F
(13.0°C)
1.4°F
(0.8°C)
104th Coolest Coolest since: 1940 1950
22nd Warmest Warmest since: 1938 2012
Ties: 1981, 2006
Jan–Sep 1941
9-Month
52.9°F
(11.6°C)
51.2°F
(10.7°C)
1.7°F
(0.9°C)
105th Coolest Coolest since: 1940 1912
21st Warmest Warmest since: 1939 2012
Ties: 1976, 1977
Dec 1940–Sep 1941
10-Month
50.2°F
(10.1°C)
48.3°F
(9.1°C)
1.9°F
(1.0°C)
105th Coolest Coolest since: 1940 1979
20th Warmest Warmest since: 1939 2012
Ties: 1939, 1954, 1955, 1976, 1981
Nov 1940–Sep 1941
11-Month
48.5°F
(9.2°C)
47.1°F
(8.4°C)
1.4°F
(0.8°C)
97th Coolest Coolest since: 1940 1912
28th Warmest Warmest since: 1939 2012
Ties: 1942
Oct 1940–Sep 1941
12-Month
49.2°F
(9.6°C)
47.5°F
(8.6°C)
1.7°F
(1.0°C)
103rd Coolest Coolest since: 1940 1912
22nd Warmest Warmest since: 1939 2012
Ties: 1914, 1988
Apr 1940–Sep 1941
18-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 1940 1951
29th Warmest Warmest since: 1939 2012
Ties: 1998, 2013
Oct 1939–Sep 1941
24-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1938 1979
37th Warmest Warmest since: 1940 2017
Ties: 1923
Oct 1938–Sep 1941
36-Month
48.7°F
(9.3°C)
47.5°F
(8.6°C)
1.2°F
(0.7°C)
103rd Coolest Coolest since: 1940 1979
20th Warmest Warmest since: 1935 2000
Oct 1937–Sep 1941
48-Month
48.7°F
(9.3°C)
47.5°F
(8.6°C)
1.2°F
(0.7°C)
105th Coolest Coolest since: 1940 1905, 1918
17th Warmest Warmest since: 1935 1934
Ties: 1932, 1942, 1988
Oct 1936–Sep 1941
60-Month
48.3°F
(9.1°C)
47.4°F
(8.6°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1940 1906, 1907
28th Warmest Warmest since: 1936 2002
Ties: 1943, 1957

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/