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 1904

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1904
1-Month
63.1°F
(17.3°C)
63.0°F
(17.2°C)
0.1°F
(0.1°C)
62nd Coolest Coolest since: 1903 1896, 1993
64th Warmest Warmest since: 1900 1897, 1931
Ties: 2010
Aug–Sep 1904
2-Month
65.7°F
(18.7°C)
67.2°F
(19.6°C)
-1.5°F
(-0.9°C)
22nd Coolest Coolest since: 1903 1974, 1992
104th Warmest Warmest since: 1901 1947
Ties: 1928
Jul–Sep 1904
3-Month
67.2°F
(19.6°C)
69.4°F
(20.8°C)
-2.2°F
(-1.2°C)
14th Coolest Coolest since: 1903 1992
112th Warmest Warmest since: 1901 1936
Ties: 1962
Jun–Sep 1904
4-Month
67.1°F
(19.5°C)
69.4°F
(20.8°C)
-2.3°F
(-1.3°C)
11th Coolest Coolest since: 1903 1915
115th Warmest Warmest since: 1901 1936
Ties: 2009
May–Sep 1904
5-Month
65.5°F
(18.6°C)
67.4°F
(19.7°C)
-1.9°F
(-1.1°C)
14th Coolest Coolest since: 1903 1915
112th Warmest Warmest since: 1901 1936
Apr–Sep 1904
6-Month
61.8°F
(16.6°C)
64.2°F
(17.9°C)
-2.4°F
(-1.3°C)
8th Coolest Coolest to Date 1907
118th Warmest Warmest since: 1903 1936
Mar–Sep 1904
7-Month
57.8°F
(14.3°C)
60.0°F
(15.6°C)
-2.2°F
(-1.3°C)
10th Coolest Coolest to Date 1951
116th Warmest Warmest since: 1903 2012
Ties: 1907
Feb–Sep 1904
8-Month
52.2°F
(11.2°C)
55.3°F
(12.9°C)
-3.1°F
(-1.7°C)
2nd Coolest Coolest to Date 1950
124th Warmest Warmest since: 1903 2012
Ties: 1917, 1951
Jan–Sep 1904
9-Month
47.8°F
(8.8°C)
51.1°F
(10.6°C)
-3.3°F
(-1.8°C)
3rd Coolest Coolest to Date 1912
123rd Warmest Warmest since: 1903 2012
Dec 1903–Sep 1904
10-Month
44.9°F
(7.2°C)
48.4°F
(9.1°C)
-3.5°F
(-1.9°C)
2nd Coolest Coolest to Date 1979
123rd Warmest Warmest since: 1903 2012
Nov 1903–Sep 1904
11-Month
43.8°F
(6.6°C)
47.2°F
(8.4°C)
-3.4°F
(-1.8°C)
3rd Coolest Coolest to Date 1912
122nd Warmest Warmest since: 1903 2012
Ties: 1951
Oct 1903–Sep 1904
12-Month
44.4°F
(6.9°C)
47.5°F
(8.6°C)
-3.1°F
(-1.7°C)
3rd Coolest Coolest since: 1899 1912
122nd Warmest Warmest since: 1903 2012
Ties: 1899
Apr 1903–Sep 1904
18-Month
50.4°F
(10.2°C)
53.1°F
(11.7°C)
-2.7°F
(-1.5°C)
2nd Coolest Coolest to Date 1951
123rd Warmest Warmest since: 1903 2012
Oct 1902–Sep 1904
24-Month
45.7°F
(7.6°C)
47.6°F
(8.7°C)
-1.9°F
(-1.1°C)
5th Coolest Coolest to Date 1979
119th Warmest Warmest since: 1903 2017
Oct 1901–Sep 1904
36-Month
45.8°F
(7.7°C)
47.5°F
(8.6°C)
-1.7°F
(-0.9°C)
2nd Coolest Coolest to Date 1979
121st Warmest Warmest since: 1903 2000
Oct 1900–Sep 1904
48-Month
46.6°F
(8.1°C)
47.5°F
(8.6°C)
-0.9°F
(-0.5°C)
13th Coolest Coolest since: 1899 1905, 1918
109th Warmest Warmest since: 1903 1934
Ties: 1951
Oct 1899–Sep 1904
60-Month
47.0°F
(8.3°C)
47.5°F
(8.6°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1903 1906, 1907
96th Warmest Warmest since: 1903 2002
Ties: 1903, 1916, 1930, 1961, 1964, 1980

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/