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 1908

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1908
1-Month
65.4°F
(18.6°C)
67.4°F
(19.7°C)
-2.0°F
(-1.1°C)
16th Coolest Coolest since: 1899 1917
110th Warmest Warmest since: 1907 2018
Ties: 1899
Aug–Sep 1908
2-Month
68.4°F
(20.2°C)
70.6°F
(21.4°C)
-2.2°F
(-1.2°C)
8th Coolest Coolest to Date 1927, 1963
118th Warmest Warmest since: 1907 2018
Ties: 1950
Jul–Sep 1908
3-Month
71.2°F
(21.8°C)
72.2°F
(22.3°C)
-1.0°F
(-0.5°C)
20th Coolest Coolest since: 1904 1909
106th Warmest Warmest since: 1907 2016
Ties: 1981
Jun–Sep 1908
4-Month
70.9°F
(21.6°C)
71.8°F
(22.1°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1907 1927
104th Warmest Warmest since: 1906 2010
Ties: 1974
May–Sep 1908
5-Month
69.5°F
(20.8°C)
69.9°F
(21.1°C)
-0.4°F
(-0.3°C)
37th Coolest Coolest since: 1907 1924, 1927
89th Warmest Warmest since: 1906 2010
Ties: 1905, 1913, 1981
Apr–Sep 1908
6-Month
66.8°F
(19.3°C)
66.9°F
(19.4°C)
-0.1°F
(-0.1°C)
46th Coolest Coolest since: 1907 1907
80th Warmest Warmest since: 1906 2010
Ties: 1899, 1913, 1915, 1951, 1961, 1965
Mar–Sep 1908
7-Month
63.7°F
(17.6°C)
63.4°F
(17.4°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 1907 1924
62nd Warmest Warmest since: 1900 2010
Ties: 1922
Feb–Sep 1908
8-Month
59.6°F
(15.3°C)
59.8°F
(15.4°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1907 1907
81st Warmest Warmest since: 1906 2012
Ties: 1932, 1936, 1975
Jan–Sep 1908
9-Month
56.6°F
(13.7°C)
56.8°F
(13.8°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1907 1940
81st Warmest Warmest since: 1906 2012
Ties: 1903, 1915, 1947, 1960, 1981
Dec 1907–Sep 1908
10-Month
54.8°F
(12.7°C)
54.8°F
(12.7°C)
0.0°F
(0.0°C)
51st Coolest Coolest since: 1907 1904
74th Warmest Warmest since: 1906 2012
Ties: 1896, 1909, 1947, 1972, 1994
Nov 1907–Sep 1908
11-Month
53.8°F
(12.1°C)
54.0°F
(12.2°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1907 1904
79th Warmest Warmest since: 1906 2012
Ties: 1909, 1941, 2003
Oct 1907–Sep 1908
12-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1907 1904
93rd Warmest Warmest since: 1906 2012
Ties: 1910, 1948, 1962, 1979
Apr 1907–Sep 1908
18-Month
57.0°F
(13.9°C)
58.5°F
(14.7°C)
-1.5°F
(-0.8°C)
5th Coolest Coolest since: 1905 1904, 1918
120th Warmest Warmest since: 1907 2012
Ties: 1927
Oct 1906–Sep 1908
24-Month
52.9°F
(11.6°C)
54.2°F
(12.3°C)
-1.3°F
(-0.7°C)
7th Coolest Coolest since: 1905 1905
117th Warmest Warmest since: 1907 2017
Oct 1905–Sep 1908
36-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
22nd Coolest Coolest since: 1907 1905, 1918
101st Warmest Warmest since: 1903 2018
Ties: 1916, 1941, 1970
Oct 1904–Sep 1908
48-Month
53.0°F
(11.7°C)
54.1°F
(12.3°C)
-1.1°F
(-0.6°C)
5th Coolest Coolest since: 1907 1905
117th Warmest Warmest since: 1906 2019
Ties: 1904, 1906, 1919
Oct 1903–Sep 1908
60-Month
52.7°F
(11.5°C)
54.2°F
(12.3°C)
-1.5°F
(-0.8°C)
1st Coolest Coolest to Date 1908
120th Warmest Warmest since: 1907 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/