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 1900

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1900
1-Month
71.4°F
(21.9°C)
67.4°F
(19.7°C)
4.0°F
(2.2°C)
116th Coolest Coolest since: 1899 1917
10th Warmest Warmest to Date 2018
Ties: 2010
Aug–Sep 1900
2-Month
74.9°F
(23.8°C)
70.6°F
(21.4°C)
4.3°F
(2.4°C)
123rd Coolest Coolest since: 1899 1927, 1963
3rd Warmest Warmest to Date 2018
Ties: 2005
Jul–Sep 1900
3-Month
75.9°F
(24.4°C)
72.2°F
(22.3°C)
3.7°F
(2.1°C)
121st Coolest Coolest since: 1899 1909
5th Warmest Warmest to Date 2016
Ties: 2005
Jun–Sep 1900
4-Month
74.8°F
(23.8°C)
71.8°F
(22.1°C)
3.0°F
(1.7°C)
119th Coolest Coolest since: 1899 1927
7th Warmest Warmest to Date 2010
Ties: 2002, 2012
May–Sep 1900
5-Month
72.4°F
(22.4°C)
69.9°F
(21.1°C)
2.5°F
(1.3°C)
118th Coolest Coolest since: 1899 1924, 1927
8th Warmest Warmest to Date 2010
Ties: 2002
Apr–Sep 1900
6-Month
68.9°F
(20.5°C)
66.9°F
(19.4°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1899 1907
14th Warmest Warmest to Date 2010
Ties: 2006
Mar–Sep 1900
7-Month
64.4°F
(18.0°C)
63.4°F
(17.4°C)
1.0°F
(0.6°C)
93rd Coolest Coolest since: 1899 1924
33rd Warmest Warmest since: 1898 2010
Ties: 1898, 1925, 1930, 1936, 1949, 1953, 1994, 2000
Feb–Sep 1900
8-Month
60.5°F
(15.8°C)
59.8°F
(15.4°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1899 1907
47th Warmest Warmest since: 1898 2012
Ties: 1933, 1943, 1994
Jan–Sep 1900
9-Month
57.5°F
(14.2°C)
56.8°F
(13.8°C)
0.7°F
(0.4°C)
77th Coolest Coolest since: 1899 1940
49th Warmest Warmest since: 1898 2012
Ties: 1944, 1985, 1997
Dec 1899–Sep 1900
10-Month
55.4°F
(13.0°C)
54.8°F
(12.7°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1899 1904
50th Warmest Warmest since: 1898 2012
Ties: 1906, 1919, 1975, 1988
Nov 1899–Sep 1900
11-Month
54.5°F
(12.5°C)
54.0°F
(12.2°C)
0.5°F
(0.3°C)
74th Coolest Coolest since: 1899 1904
51st Warmest Warmest since: 1898 2012
Ties: 1938, 1959
Oct 1899–Sep 1900
12-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 1899 1904
48th Warmest Warmest since: 1898 2012
Ties: 1947, 1959, 1989, 1997, 2014
Apr 1899–Sep 1900
18-Month
58.7°F
(14.8°C)
58.4°F
(14.7°C)
0.3°F
(0.1°C)
68th Coolest Coolest since: 1899 1904, 1918
57th Warmest Warmest to Date 2012
Ties: 1919, 1931
Oct 1898–Sep 1900
24-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
38th Coolest Coolest since: 1897 1905
86th Warmest Warmest since: 1899 2017
Ties: 1909, 1910, 1925, 1959, 1961
Oct 1897–Sep 1900
36-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1899 1905, 1918
65th Warmest Warmest to Date 2018
Ties: 1915
Oct 1896–Sep 1900
48-Month
54.0°F
(12.2°C)
54.1°F
(12.3°C)
-0.1°F
(-0.1°C)
47th Coolest Coolest since: 1899 1905
75th Warmest Warmest to Date 2019
Ties: 1916, 1940, 1942, 1962
Oct 1895–Sep 1900
60-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest to Date 1908
77th Warmest Warmest to Date 2019
Ties: 1922, 1924, 1979

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/