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 1910

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1910
1-Month
68.8°F
(20.4°C)
67.4°F
(19.7°C)
1.4°F
(0.7°C)
87th Coolest Coolest since: 1909 1917
39th Warmest Warmest since: 1906 2018
Aug–Sep 1910
2-Month
70.3°F
(21.3°C)
70.6°F
(21.4°C)
-0.3°F
(-0.1°C)
50th Coolest Coolest since: 1909 1927, 1963
76th Warmest Warmest since: 1906 2018
Ties: 1912
Jul–Sep 1910
3-Month
72.1°F
(22.3°C)
72.2°F
(22.3°C)
-0.1°F
(0.0°C)
48th Coolest Coolest since: 1909 1909
78th Warmest Warmest since: 1906 2016
Ties: 1896, 1915, 1951, 1958, 1965
Jun–Sep 1910
4-Month
71.0°F
(21.7°C)
71.8°F
(22.1°C)
-0.8°F
(-0.4°C)
24th Coolest Coolest since: 1909 1927
102nd Warmest Warmest since: 1906 2010
Ties: 1912, 1920, 1956
May–Sep 1910
5-Month
68.9°F
(20.5°C)
69.9°F
(21.1°C)
-1.0°F
(-0.6°C)
18th Coolest Coolest since: 1909 1924, 1927
108th Warmest Warmest since: 1908 2010
Ties: 1956
Apr–Sep 1910
6-Month
66.6°F
(19.2°C)
66.9°F
(19.4°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1909 1907
88th Warmest Warmest since: 1908 2010
Ties: 1912, 1948, 1978
Mar–Sep 1910
7-Month
63.9°F
(17.7°C)
63.5°F
(17.5°C)
0.4°F
(0.2°C)
67th Coolest Coolest since: 1909 1924
59th Warmest Warmest since: 1900 2010
Ties: 1933, 1989
Feb–Sep 1910
8-Month
60.2°F
(15.7°C)
59.9°F
(15.5°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1909 1907
58th Warmest Warmest since: 1900 2012
Ties: 1929, 1961, 1993, 2014
Jan–Sep 1910
9-Month
57.0°F
(13.9°C)
56.9°F
(13.8°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1909 1940
67th Warmest Warmest since: 1906 2012
Dec 1909–Sep 1910
10-Month
54.4°F
(12.4°C)
54.9°F
(12.7°C)
-0.5°F
(-0.3°C)
42nd Coolest Coolest since: 1907 1904
83rd Warmest Warmest since: 1909 2012
Ties: 1911, 1968, 1981
Nov 1909–Sep 1910
11-Month
53.7°F
(12.1°C)
54.0°F
(12.2°C)
-0.3°F
(-0.1°C)
44th Coolest Coolest since: 1907 1904
81st Warmest Warmest since: 1909 2012
Ties: 1928
Oct 1909–Sep 1910
12-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1908 1904
93rd Warmest Warmest since: 1909 2012
Ties: 1908, 1948, 1962, 1979
Apr 1909–Sep 1910
18-Month
57.6°F
(14.2°C)
58.5°F
(14.7°C)
-0.9°F
(-0.5°C)
19th Coolest Coolest since: 1908 1904, 1918
106th Warmest Warmest since: 1909 2012
Ties: 1912, 1916, 1982
Oct 1908–Sep 1910
24-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
38th Coolest Coolest since: 1909 1905
86th Warmest Warmest since: 1909 2017
Ties: 1900, 1909, 1925, 1959, 1961
Oct 1907–Sep 1910
36-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1909 1905, 1918
90th Warmest Warmest since: 1901 2018
Ties: 1899, 1911, 1937, 1940, 1962, 1980, 1982
Oct 1906–Sep 1910
48-Month
53.4°F
(11.9°C)
54.2°F
(12.3°C)
-0.8°F
(-0.4°C)
13th Coolest Coolest since: 1908 1905
109th Warmest Warmest since: 1909 2019
Ties: 1929, 1966, 1968, 1969
Oct 1905–Sep 1910
60-Month
53.6°F
(12.0°C)
54.1°F
(12.3°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest since: 1909 1908
99th Warmest Warmest since: 1903 2019
Ties: 1926, 1964, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/