Statewide Rankings

Statewide Data Info
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Delaware

Average Temperature Rankings, September 1921

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1921
1-Month		72.4°F
(22.4°C)		67.4°F
(19.7°C)		5.0°F
(2.7°C)		126th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2018
Aug–Sep 1921
2-Month		71.9°F
(22.2°C)		70.6°F
(21.4°C)		1.3°F
(0.8°C)		91st Coolest
Coolest since:
1927, 1963
38th Warmest
Warmest since:
2018
Ties: 1987, 2017
Jul–Sep 1921
3-Month		73.8°F
(23.2°C)		72.2°F
(22.3°C)		1.6°F
(0.9°C)		97th Coolest
Coolest since:
1909
32nd Warmest
Warmest since:
2016
Ties: 1983, 1988
Jun–Sep 1921
4-Month		73.3°F
(22.9°C)		71.9°F
(22.2°C)		1.4°F
(0.7°C)		100th Coolest
Coolest since:
1927
29th Warmest
Warmest since:
2010
Ties: 1901, 1925, 1988
May–Sep 1921
5-Month		70.7°F
(21.5°C)		69.9°F
(21.1°C)		0.8°F
(0.4°C)		80th Coolest
Coolest since:
1924, 1927
49th Warmest
Warmest since:
2010
Ties: 1901, 1936, 1952, 1983, 1989, 2009
Apr–Sep 1921
6-Month		68.5°F
(20.3°C)		66.9°F
(19.4°C)		1.6°F
(0.9°C)		105th Coolest
Coolest since:
1907
24th Warmest
Warmest since:
2010
Ties: 1955, 1977, 2007, 2013
Mar–Sep 1921
7-Month		66.3°F
(19.1°C)		63.5°F
(17.5°C)		2.8°F
(1.6°C)		121st Coolest
Coolest since:
1924
8th Warmest
Warmest to Date
2010
Feb–Sep 1921
8-Month		62.7°F
(17.1°C)		59.8°F
(15.4°C)		2.9°F
(1.7°C)		117th Coolest
Coolest since:
1907
12th Warmest
Warmest to Date
2012
Jan–Sep 1921
9-Month		59.7°F
(15.4°C)		56.9°F
(13.8°C)		2.8°F
(1.6°C)		118th Coolest
Coolest since:
1940
11th Warmest
Warmest to Date
2012
Ties: 2006, 2011
Dec 1920–Sep 1921
10-Month		57.6°F
(14.2°C)		54.8°F
(12.7°C)		2.8°F
(1.5°C)		117th Coolest
Coolest since:
1904
11th Warmest
Warmest to Date
2012
Ties: 2021
Nov 1920–Sep 1921
11-Month		56.4°F
(13.6°C)		54.0°F
(12.2°C)		2.4°F
(1.4°C)		114th Coolest
Coolest since:
1904
14th Warmest
Warmest to Date
2012
Ties: 1949, 2007
Oct 1920–Sep 1921
12-Month		56.7°F
(13.7°C)		54.2°F
(12.3°C)		2.5°F
(1.4°C)		113th Coolest
Coolest since:
1904
15th Warmest
Warmest to Date
2012
Apr 1920–Sep 1921
18-Month		59.6°F
(15.3°C)		58.4°F
(14.7°C)		1.2°F
(0.6°C)		102nd Coolest
Coolest since:
1918
26th Warmest
Warmest to Date
2012
Ties: 1942, 1953, 1986
Oct 1919–Sep 1921
24-Month		54.7°F
(12.6°C)		54.2°F
(12.3°C)		0.5°F
(0.3°C)		76th Coolest
Coolest since:
1905
51st Warmest
Warmest to Date
2017
Ties: 1984, 1993
Oct 1918–Sep 1921
36-Month		54.7°F
(12.6°C)		54.2°F
(12.3°C)		0.5°F
(0.3°C)		74th Coolest
Coolest since:
1905, 1918
52nd Warmest
Warmest to Date
2018
Ties: 1944, 1957, 1996
Oct 1917–Sep 1921
48-Month		53.9°F
(12.2°C)		54.2°F
(12.3°C)		-0.3°F
(-0.1°C)		38th Coolest
Coolest since:
1905
87th Warmest
Warmest since:
2019
Ties: 1903, 1914, 1915, 1925, 1938, 1961, 1972, 1984
Oct 1916–Sep 1921
60-Month		53.7°F
(12.1°C)		54.1°F
(12.3°C)		-0.4°F
(-0.2°C)		26th Coolest
Coolest since:
1908
98th Warmest
Warmest since:
2020
Ties: 1903, 1916, 1917, 1929, 1930, 1963

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