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 1905

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1905
1-Month
65.0°F
(18.3°C)
63.0°F
(17.2°C)
2.0°F
(1.1°C)
92nd Coolest Coolest since: 1904 1896, 1993
34th Warmest Warmest since: 1897 1897, 1931
Aug–Sep 1905
2-Month
69.4°F
(20.8°C)
67.2°F
(19.6°C)
2.2°F
(1.2°C)
108th Coolest Coolest since: 1904 1974, 1992
18th Warmest Warmest since: 1900 1947
Ties: 1922, 1930, 1978, 2007, 2013
Jul–Sep 1905
3-Month
69.6°F
(20.9°C)
69.4°F
(20.8°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 1904 1992
53rd Warmest Warmest since: 1901 1936
Ties: 1898, 1909, 1923, 1926, 1957, 1977, 2001
Jun–Sep 1905
4-Month
69.6°F
(20.9°C)
69.3°F
(20.7°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1904 1915
59th Warmest Warmest since: 1901 1936
Ties: 1916, 1986
May–Sep 1905
5-Month
67.2°F
(19.6°C)
67.4°F
(19.7°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1904 1915
73rd Warmest Warmest since: 1901 1936
Ties: 1971
Apr–Sep 1905
6-Month
63.8°F
(17.7°C)
64.2°F
(17.9°C)
-0.4°F
(-0.2°C)
42nd Coolest Coolest since: 1904 1907
84th Warmest Warmest since: 1901 1936
Ties: 1926, 1973, 1989, 2013
Mar–Sep 1905
7-Month
60.5°F
(15.8°C)
60.0°F
(15.6°C)
0.5°F
(0.2°C)
76th Coolest Coolest since: 1904 1951
50th Warmest Warmest since: 1901 2012
Ties: 1942, 1983, 1999
Feb–Sep 1905
8-Month
54.4°F
(12.4°C)
55.4°F
(13.0°C)
-1.0°F
(-0.6°C)
33rd Coolest Coolest since: 1904 1950
93rd Warmest Warmest since: 1901 2012
Ties: 1920, 1961, 1966
Jan–Sep 1905
9-Month
49.4°F
(9.7°C)
51.2°F
(10.7°C)
-1.8°F
(-1.0°C)
18th Coolest Coolest since: 1904 1912
108th Warmest Warmest since: 1903 2012
Ties: 1940
Dec 1904–Sep 1905
10-Month
46.6°F
(8.1°C)
48.3°F
(9.1°C)
-1.7°F
(-1.0°C)
17th Coolest Coolest since: 1904 1979
108th Warmest Warmest since: 1903 2012
Ties: 1924, 1984, 1996, 2008
Nov 1904–Sep 1905
11-Month
45.9°F
(7.7°C)
47.2°F
(8.4°C)
-1.3°F
(-0.7°C)
27th Coolest Coolest since: 1904 1912
98th Warmest Warmest since: 1903 2012
Oct 1904–Sep 1905
12-Month
46.4°F
(8.0°C)
47.5°F
(8.6°C)
-1.1°F
(-0.6°C)
26th Coolest Coolest since: 1904 1912
99th Warmest Warmest since: 1903 2012
Ties: 1926, 2001
Apr 1904–Sep 1905
18-Month
51.5°F
(10.8°C)
53.1°F
(11.7°C)
-1.6°F
(-0.9°C)
12th Coolest Coolest since: 1904 1951
113th Warmest Warmest since: 1903 2012
Oct 1903–Sep 1905
24-Month
45.4°F
(7.4°C)
47.5°F
(8.6°C)
-2.1°F
(-1.2°C)
3rd Coolest Coolest to Date 1979
121st Warmest Warmest since: 1904 2017
Oct 1902–Sep 1905
36-Month
45.9°F
(7.7°C)
47.5°F
(8.6°C)
-1.6°F
(-0.9°C)
3rd Coolest Coolest since: 1904 1979
120th Warmest Warmest since: 1903 2000
Ties: 1918
Oct 1901–Sep 1905
48-Month
46.0°F
(7.8°C)
47.5°F
(8.6°C)
-1.5°F
(-0.8°C)
1st Coolest Coolest to Date 1905, 1918
121st Warmest Warmest since: 1904 1934
Ties: 1918
Oct 1900–Sep 1905
60-Month
46.5°F
(8.1°C)
47.4°F
(8.6°C)
-0.9°F
(-0.5°C)
4th Coolest Coolest to Date 1906, 1907
117th Warmest Warmest since: 1904 2002
Ties: 1962, 1982

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/