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 1901

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1901
1-Month
62.4°F
(16.9°C)
63.0°F
(17.2°C)
-0.6°F
(-0.3°C)
50th Coolest Coolest since: 1899 1896, 1993
76th Warmest Warmest since: 1900 1897, 1931
Ties: 1910, 1976, 1991
Aug–Sep 1901
2-Month
67.8°F
(19.9°C)
67.2°F
(19.6°C)
0.6°F
(0.3°C)
77th Coolest Coolest since: 1899 1974, 1992
49th Warmest Warmest since: 1900 1947
Ties: 1958
Jul–Sep 1901
3-Month
72.5°F
(22.5°C)
69.4°F
(20.8°C)
3.1°F
(1.7°C)
120th Coolest Coolest since: 1900 1992
6th Warmest Warmest to Date 1936
Jun–Sep 1901
4-Month
72.3°F
(22.4°C)
69.3°F
(20.7°C)
3.0°F
(1.7°C)
121st Coolest Coolest since: 1900 1915
5th Warmest Warmest to Date 1936
Ties: 1983
May–Sep 1901
5-Month
69.9°F
(21.1°C)
67.5°F
(19.7°C)
2.4°F
(1.4°C)
117th Coolest Coolest since: 1900 1915
9th Warmest Warmest to Date 1936
Ties: 1931, 1955
Apr–Sep 1901
6-Month
66.4°F
(19.1°C)
64.2°F
(17.9°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1900 1907
11th Warmest Warmest to Date 1936
Ties: 1933
Mar–Sep 1901
7-Month
61.7°F
(16.5°C)
60.0°F
(15.6°C)
1.7°F
(0.9°C)
105th Coolest Coolest since: 1900 1951
21st Warmest Warmest to Date 2012
Ties: 1939
Feb–Sep 1901
8-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1900 1950
39th Warmest Warmest to Date 2012
Ties: 1910, 1935, 1952, 1964
Jan–Sep 1901
9-Month
52.2°F
(11.2°C)
51.1°F
(10.6°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 1900 1912
36th Warmest Warmest to Date 2012
Ties: 1914, 1922
Dec 1900–Sep 1901
10-Month
49.5°F
(9.7°C)
48.3°F
(9.1°C)
1.2°F
(0.6°C)
92nd Coolest Coolest since: 1900 1979
33rd Warmest Warmest to Date 2012
Ties: 1942
Nov 1900–Sep 1901
11-Month
47.9°F
(8.8°C)
47.1°F
(8.4°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1899 1912
40th Warmest Warmest since: 1900 2012
Ties: 1930, 1953, 1964, 2004
Oct 1900–Sep 1901
12-Month
48.8°F
(9.3°C)
47.5°F
(8.6°C)
1.3°F
(0.7°C)
96th Coolest Coolest since: 1900 1912
29th Warmest Warmest to Date 2012
Ties: 1911, 1925
Apr 1900–Sep 1901
18-Month
54.6°F
(12.6°C)
53.1°F
(11.7°C)
1.5°F
(0.9°C)
104th Coolest Coolest since: 1900 1951
21st Warmest Warmest to Date 2012
Ties: 1919, 1955, 1981
Oct 1899–Sep 1901
24-Month
48.8°F
(9.3°C)
47.6°F
(8.7°C)
1.2°F
(0.6°C)
102nd Coolest Coolest since: 1900 1979
22nd Warmest Warmest to Date 2017
Ties: 1914, 1954, 1987, 1991
Oct 1898–Sep 1901
36-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1900 1979
76th Warmest Warmest to Date 2000
Ties: 1903, 1908, 1930, 1937, 1968, 1975, 2011
Oct 1897–Sep 1901
48-Month
47.3°F
(8.5°C)
47.4°F
(8.6°C)
-0.1°F
(-0.1°C)
47th Coolest Coolest since: 1900 1905, 1918
75th Warmest Warmest to Date 1934
Ties: 1909, 1950, 1975, 1978, 1985
Oct 1896–Sep 1901
60-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
43rd Coolest Coolest since: 1900 1906, 1907
78th Warmest Warmest to Date 2002
Ties: 1927, 1929, 1986

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/