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 January 2020. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, September 1949

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1949
1-Month
58.2°F
(14.6°C)
63.0°F
(17.2°C)
-4.8°F
(-2.6°C)
5th Coolest Coolest since: 1924 1896, 1993
121st Warmest Warmest since: 1948 1897, 1931
Ties: 1902
Aug–Sep 1949
2-Month
65.2°F
(18.4°C)
67.2°F
(19.6°C)
-2.0°F
(-1.2°C)
15th Coolest Coolest since: 1946 1974, 1992
111th Warmest Warmest since: 1948 1947
Ties: 1917, 1964
Jul–Sep 1949
3-Month
68.6°F
(20.3°C)
69.4°F
(20.8°C)
-0.8°F
(-0.5°C)
37th Coolest Coolest since: 1946 1992
89th Warmest Warmest since: 1948 1936
Ties: 1929, 1968, 1982
Jun–Sep 1949
4-Month
69.4°F
(20.8°C)
69.3°F
(20.7°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1946 1915
68th Warmest Warmest since: 1948 1936
Ties: 1943, 1997
May–Sep 1949
5-Month
68.1°F
(20.1°C)
67.5°F
(19.7°C)
0.6°F
(0.4°C)
87th Coolest Coolest since: 1948 1915
39th Warmest Warmest since: 1948 1936
Ties: 1895, 1932, 1948, 1964
Apr–Sep 1949
6-Month
64.8°F
(18.2°C)
64.2°F
(17.9°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1947 1907
48th Warmest Warmest since: 1948 1936
Ties: 1896, 1978
Mar–Sep 1949
7-Month
60.3°F
(15.7°C)
60.0°F
(15.6°C)
0.3°F
(0.1°C)
71st Coolest Coolest since: 1947 1951
55th Warmest Warmest since: 1948 2012
Ties: 1898, 1954, 1994, 2002
Feb–Sep 1949
8-Month
55.0°F
(12.8°C)
55.3°F
(12.9°C)
-0.3°F
(-0.1°C)
52nd Coolest Coolest since: 1947 1950
74th Warmest Warmest since: 1948 2012
Ties: 1897, 1974, 1984
Jan–Sep 1949
9-Month
50.7°F
(10.4°C)
51.1°F
(10.6°C)
-0.4°F
(-0.2°C)
48th Coolest Coolest since: 1947 1912
78th Warmest Warmest since: 1948 2012
Ties: 1923
Dec 1948–Sep 1949
10-Month
48.0°F
(8.9°C)
48.3°F
(9.1°C)
-0.3°F
(-0.2°C)
52nd Coolest Coolest since: 1945 1979
73rd Warmest Warmest since: 1948 2012
Ties: 1937, 1958, 1963
Nov 1948–Sep 1949
11-Month
47.0°F
(8.3°C)
47.2°F
(8.4°C)
-0.2°F
(-0.1°C)
58th Coolest Coolest since: 1948 1912
67th Warmest Warmest since: 1948 2012
Ties: 1926, 1948
Oct 1948–Sep 1949
12-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1945 1912
72nd Warmest Warmest since: 1948 2012
Ties: 1916, 1972
Apr 1948–Sep 1949
18-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
76th Coolest Coolest since: 1948 1951
49th Warmest Warmest since: 1948 2012
Ties: 1948, 1953, 1956
Oct 1947–Sep 1949
24-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
75th Coolest Coolest since: 1946 1979
49th Warmest Warmest since: 1948 2017
Ties: 1909, 1915, 1943, 1984, 2011
Oct 1946–Sep 1949
36-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
74th Coolest Coolest since: 1947 1979
49th Warmest Warmest since: 1948 2000
Ties: 1911, 1944, 1982
Oct 1945–Sep 1949
48-Month
47.8°F
(8.8°C)
47.5°F
(8.6°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1948 1905, 1918
48th Warmest Warmest since: 1944 1934
Ties: 1911, 1925, 1999
Oct 1944–Sep 1949
60-Month
47.6°F
(8.7°C)
47.5°F
(8.6°C)
0.1°F
(0.1°C)
66th Coolest Coolest since: 1947 1906, 1907
55th Warmest Warmest since: 1948 2002
Ties: 1959, 1985, 1993, 2011

Citing This Page

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