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 September 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1938

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1938
1-Month
66.0°F
(18.9°C)
67.4°F
(19.7°C)
-1.4°F
(-0.8°C)
24th Coolest Coolest since: 1937 1917
102nd Warmest Warmest since: 1936 2018
Ties: 1981, 1990, 1994
Aug–Sep 1938
2-Month
71.0°F
(21.7°C)
70.6°F
(21.4°C)
0.4°F
(0.3°C)
69th Coolest Coolest since: 1937 1927, 1963
57th Warmest Warmest since: 1936 2018
Ties: 1957, 1965, 1971, 1985
Jul–Sep 1938
3-Month
72.7°F
(22.6°C)
72.2°F
(22.3°C)
0.5°F
(0.3°C)
78th Coolest Coolest since: 1937 1909
48th Warmest Warmest since: 1936 2016
Ties: 1934
Jun–Sep 1938
4-Month
71.9°F
(22.2°C)
71.8°F
(22.1°C)
0.1°F
(0.1°C)
55th Coolest Coolest since: 1937 1927
71st Warmest Warmest since: 1936 2010
Ties: 1899, 1960, 1978, 1996
May–Sep 1938
5-Month
69.6°F
(20.9°C)
69.9°F
(21.1°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 1935 1924, 1927
85th Warmest Warmest since: 1937 2010
Ties: 1948, 1966, 1971, 1978, 1984
Apr–Sep 1938
6-Month
67.0°F
(19.4°C)
66.9°F
(19.4°C)
0.1°F
(0.0°C)
54th Coolest Coolest since: 1937 1907
72nd Warmest Warmest since: 1936 2010
Ties: 1895, 1901, 1922, 1976, 2000
Mar–Sep 1938
7-Month
64.1°F
(17.8°C)
63.5°F
(17.5°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1937 1924
48th Warmest Warmest since: 1936 2010
Ties: 1976
Feb–Sep 1938
8-Month
60.9°F
(16.1°C)
59.9°F
(15.5°C)
1.0°F
(0.6°C)
91st Coolest Coolest since: 1937 1907
35th Warmest Warmest since: 1930 2012
Ties: 2013
Jan–Sep 1938
9-Month
57.8°F
(14.3°C)
56.9°F
(13.8°C)
0.9°F
(0.5°C)
86th Coolest Coolest since: 1937 1940
40th Warmest Warmest since: 1933 2012
Ties: 1945, 1993
Dec 1937–Sep 1938
10-Month
55.5°F
(13.1°C)
54.8°F
(12.7°C)
0.7°F
(0.4°C)
78th Coolest Coolest since: 1937 1904
47th Warmest Warmest since: 1937 2012
Ties: 1937, 1980
Nov 1937–Sep 1938
11-Month
54.5°F
(12.5°C)
54.0°F
(12.2°C)
0.5°F
(0.3°C)
74th Coolest Coolest since: 1937 1904
51st Warmest Warmest since: 1933 2012
Ties: 1900, 1959
Oct 1937–Sep 1938
12-Month
54.4°F
(12.4°C)
54.2°F
(12.3°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 1936 1904
67th Warmest Warmest since: 1937 2012
Ties: 1945, 1992, 2001
Apr 1937–Sep 1938
18-Month
58.5°F
(14.7°C)
58.4°F
(14.7°C)
0.1°F
(0.0°C)
53rd Coolest Coolest since: 1936 1904, 1918
72nd Warmest Warmest since: 1937 2012
Ties: 1906, 1946, 1971, 1972, 1996
Oct 1936–Sep 1938
24-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1937 1905
57th Warmest Warmest since: 1933 2017
Ties: 1931, 1951
Oct 1935–Sep 1938
36-Month
54.1°F
(12.3°C)
54.1°F
(12.3°C)
0.0°F
(0.0°C)
51st Coolest Coolest since: 1937 1905, 1918
72nd Warmest Warmest since: 1934 2018
Ties: 1898, 1948, 1960, 1981
Oct 1934–Sep 1938
48-Month
53.9°F
(12.2°C)
54.1°F
(12.3°C)
-0.2°F
(-0.1°C)
38th Coolest Coolest since: 1937 1905
84th Warmest Warmest since: 1935 2019
Ties: 1903, 1914, 1915, 1921, 1925, 1961, 1972, 1984
Oct 1933–Sep 1938
60-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1930 1908
88th Warmest Warmest since: 1937 2019
Ties: 1914, 1915, 1962, 1972

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/