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 1981

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1981
1-Month
66.0°F
(18.9°C)
67.4°F
(19.7°C)
-1.4°F
(-0.8°C)
24th Coolest Coolest since: 1975 1917
102nd Warmest Warmest since: 1980 2018
Ties: 1938, 1990, 1994
Aug–Sep 1981
2-Month
68.9°F
(20.5°C)
70.6°F
(21.4°C)
-1.7°F
(-0.9°C)
12th Coolest Coolest since: 1967 1927, 1963
114th Warmest Warmest since: 1980 2018
Ties: 1946
Jul–Sep 1981
3-Month
71.2°F
(21.8°C)
72.2°F
(22.3°C)
-1.0°F
(-0.5°C)
20th Coolest Coolest since: 1976 1909
106th Warmest Warmest since: 1980 2016
Ties: 1908
Jun–Sep 1981
4-Month
71.6°F
(22.0°C)
71.9°F
(22.2°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1979 1927
81st Warmest Warmest since: 1980 2010
Ties: 1922, 1923, 1937, 1951, 1984
May–Sep 1981
5-Month
69.5°F
(20.8°C)
69.9°F
(21.1°C)
-0.4°F
(-0.3°C)
37th Coolest Coolest since: 1979 1924, 1927
89th Warmest Warmest since: 1980 2010
Ties: 1905, 1908, 1913
Apr–Sep 1981
6-Month
67.2°F
(19.6°C)
67.0°F
(19.4°C)
0.2°F
(0.2°C)
65th Coolest Coolest since: 1979 1907
61st Warmest Warmest since: 1980 2010
Ties: 1936, 1990, 2003
Mar–Sep 1981
7-Month
63.4°F
(17.4°C)
63.5°F
(17.5°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1978 1924
78th Warmest Warmest since: 1980 2010
Ties: 1896, 1911, 1919, 1946
Feb–Sep 1981
8-Month
60.3°F
(15.7°C)
59.8°F
(15.4°C)
0.5°F
(0.3°C)
71st Coolest Coolest since: 1979 1907
55th Warmest Warmest since: 1980 2012
Ties: 1913, 1922
Jan–Sep 1981
9-Month
56.6°F
(13.7°C)
56.9°F
(13.8°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1979 1940
81st Warmest Warmest since: 1980 2012
Ties: 1903, 1908, 1915, 1947, 1960
Dec 1980–Sep 1981
10-Month
54.4°F
(12.4°C)
54.8°F
(12.7°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1979 1904
83rd Warmest Warmest since: 1980 2012
Ties: 1910, 1911, 1968
Nov 1980–Sep 1981
11-Month
53.4°F
(11.9°C)
54.0°F
(12.2°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1979 1904
93rd Warmest Warmest since: 1980 2012
Ties: 1897, 1914, 1923, 1966, 1971, 1979, 1984
Oct 1980–Sep 1981
12-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
30th Coolest Coolest since: 1978 1904
95th Warmest Warmest since: 1980 2012
Ties: 1911
Apr 1980–Sep 1981
18-Month
58.6°F
(14.8°C)
58.4°F
(14.7°C)
0.2°F
(0.1°C)
59th Coolest Coolest since: 1979 1904, 1918
66th Warmest Warmest since: 1980 2012
Ties: 1898, 1944, 1959, 1973, 1975, 2001
Oct 1979–Sep 1981
24-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
55th Coolest Coolest since: 1980 1905
69th Warmest Warmest since: 1980 2017
Ties: 1929, 1945, 1972, 1980
Oct 1978–Sep 1981
36-Month
54.1°F
(12.3°C)
54.2°F
(12.3°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1980 1905, 1918
72nd Warmest Warmest since: 1977 2018
Ties: 1898, 1938, 1948, 1960
Oct 1977–Sep 1981
48-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
28th Coolest Coolest since: 1980 1905
94th Warmest Warmest since: 1980 2019
Ties: 1911, 1941, 1980, 1982
Oct 1976–Sep 1981
60-Month
53.6°F
(12.0°C)
54.1°F
(12.3°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest since: 1971 1908
99th Warmest Warmest since: 1980 2019
Ties: 1910, 1926, 1964

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/