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 1897

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1897
1-Month
67.3°F
(19.6°C)
67.4°F
(19.7°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1896 1917
74th Warmest Warmest since: 1895 2018
Ties: 1919, 1926, 1955, 1972, 1992
Aug–Sep 1897
2-Month
70.0°F
(21.1°C)
70.5°F
(21.4°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest to Date 1927, 1963
89th Warmest Warmest since: 1896 2018
Ties: 1923, 1948, 1969, 1984, 2013
Jul–Sep 1897
3-Month
71.6°F
(22.0°C)
72.2°F
(22.3°C)
-0.6°F
(-0.3°C)
34th Coolest Coolest to Date 1909
92nd Warmest Warmest since: 1896 2016
Ties: 1912
Jun–Sep 1897
4-Month
70.6°F
(21.4°C)
71.9°F
(22.2°C)
-1.3°F
(-0.8°C)
15th Coolest Coolest to Date 1927
111th Warmest Warmest since: 1896 2010
Ties: 1916, 1940, 1992
May–Sep 1897
5-Month
68.6°F
(20.3°C)
69.9°F
(21.1°C)
-1.3°F
(-0.8°C)
13th Coolest Coolest to Date 1924, 1927
113th Warmest Warmest since: 1896 2010
Apr–Sep 1897
6-Month
65.7°F
(18.7°C)
66.9°F
(19.4°C)
-1.2°F
(-0.7°C)
17th Coolest Coolest to Date 1907
109th Warmest Warmest since: 1896 2010
Ties: 1956
Mar–Sep 1897
7-Month
62.6°F
(17.0°C)
63.5°F
(17.5°C)
-0.9°F
(-0.5°C)
21st Coolest Coolest to Date 1924
105th Warmest Warmest since: 1896 2010
Ties: 1958, 1960, 1982
Feb–Sep 1897
8-Month
59.1°F
(15.1°C)
59.8°F
(15.4°C)
-0.7°F
(-0.3°C)
31st Coolest Coolest since: 1895 1907
95th Warmest Warmest since: 1896 2012
Ties: 1956
Jan–Sep 1897
9-Month
55.9°F
(13.3°C)
56.9°F
(13.8°C)
-1.0°F
(-0.5°C)
23rd Coolest Coolest since: 1895 1940
103rd Warmest Warmest since: 1896 2012
Ties: 1928, 1935, 1966
Dec 1896–Sep 1897
10-Month
53.7°F
(12.1°C)
54.8°F
(12.7°C)
-1.1°F
(-0.6°C)
20th Coolest Coolest to Date 1904
105th Warmest Warmest since: 1896 2012
Ties: 1899, 1958
Nov 1896–Sep 1897
11-Month
53.4°F
(11.9°C)
54.0°F
(12.2°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest to Date 1904
93rd Warmest Warmest since: 1896 2012
Ties: 1914, 1923, 1966, 1971, 1979, 1981, 1984
Oct 1896–Sep 1897
12-Month
53.3°F
(11.8°C)
54.2°F
(12.3°C)
-0.9°F
(-0.5°C)
23rd Coolest Coolest to Date 1904
102nd Warmest Warmest since: 1896 2012
Ties: 1935, 1936, 1968
Apr 1896–Sep 1897
18-Month
58.1°F
(14.5°C)
58.4°F
(14.7°C)
-0.3°F
(-0.2°C)
36th Coolest Coolest to Date 1904, 1918
89th Warmest Warmest since: 1896 2012
Ties: 1914, 1915, 1935, 1948, 1961
Oct 1895–Sep 1897
24-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
30th Coolest Coolest to Date 1905
94th Warmest Warmest to Date 2017
Ties: 1966, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/