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 1921

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
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)
123rd Coolest Coolest since: 1920 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)
93rd Coolest Coolest since: 1920 1927, 1963
33rd Warmest Warmest since: 1906 2018
Ties: 1947, 1987, 1993, 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: 1920 1909
29th Warmest Warmest since: 1901 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: 1920 1927
26th Warmest Warmest since: 1901 2010
Ties: 1901, 1925
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: 1920 1924, 1927
46th Warmest Warmest since: 1911 2010
Ties: 1901, 1936, 1952, 1983, 1989, 2009
Apr–Sep 1921
6-Month
68.5°F
(20.3°C)
67.0°F
(19.4°C)
1.5°F
(0.9°C)
105th Coolest Coolest since: 1920 1907
21st Warmest Warmest since: 1900 2010
Ties: 1955, 1977, 2007, 2013
Mar–Sep 1921
7-Month
66.3°F
(19.1°C)
63.4°F
(17.4°C)
2.9°F
(1.7°C)
119th Coolest Coolest since: 1920 1924
7th 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)
116th Coolest Coolest since: 1920 1907
10th 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)
117th Coolest Coolest since: 1920 1940
9th 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)
116th Coolest Coolest since: 1920 1904
9th Warmest Warmest to Date 2012
Nov 1920–Sep 1921
11-Month
56.4°F
(13.6°C)
54.0°F
(12.2°C)
2.4°F
(1.4°C)
115th Coolest Coolest since: 1920 1904
10th 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: 1920 1904
12th Warmest Warmest to Date 2012
Apr 1920–Sep 1921
18-Month
59.6°F
(15.3°C)
58.5°F
(14.7°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 1920 1904, 1918
23rd Warmest Warmest to Date 2012
Ties: 1942, 1953, 1986
Oct 1919–Sep 1921
24-Month
54.6°F
(12.6°C)
54.1°F
(12.3°C)
0.5°F
(0.3°C)
74th Coolest Coolest since: 1920 1905
50th Warmest Warmest since: 1914 2017
Ties: 1914, 1942, 1960, 1977, 1989, 1994
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: 1920 1905, 1918
49th 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: 1920 1905
84th Warmest Warmest since: 1916 2019
Ties: 1903, 1914, 1915, 1925, 1938, 1961, 1972, 1984
Oct 1916–Sep 1921
60-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
26th Coolest Coolest since: 1920 1908
95th Warmest Warmest since: 1917 2019
Ties: 1903, 1916, 1917, 1929, 1930, 1963

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/