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 October 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1903

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1903
1-Month
66.5°F
(19.2°C)
67.4°F
(19.7°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 1902 1917
92nd Warmest Warmest since: 1901 2018
Ties: 2001
Aug–Sep 1903
2-Month
69.2°F
(20.7°C)
70.6°F
(21.4°C)
-1.4°F
(-0.7°C)
16th Coolest Coolest since: 1902 1927, 1963
112th Warmest Warmest since: 1901 2018
Ties: 1935
Jul–Sep 1903
3-Month
71.1°F
(21.7°C)
72.2°F
(22.3°C)
-1.1°F
(-0.6°C)
17th Coolest Coolest since: 1902 1909
111th Warmest Warmest since: 1902 2016
Ties: 1902, 1982
Jun–Sep 1903
4-Month
69.7°F
(20.9°C)
71.8°F
(22.1°C)
-2.1°F
(-1.2°C)
3rd Coolest Coolest to Date 1927
125th Warmest Warmest since: 1902 2010
May–Sep 1903
5-Month
68.3°F
(20.2°C)
69.9°F
(21.1°C)
-1.6°F
(-0.9°C)
7th Coolest Coolest to Date 1924, 1927
121st Warmest Warmest since: 1902 2010
Ties: 1920, 1992
Apr–Sep 1903
6-Month
65.5°F
(18.6°C)
66.9°F
(19.4°C)
-1.4°F
(-0.8°C)
10th Coolest Coolest to Date 1907
118th Warmest Warmest since: 1902 2010
Ties: 1992
Mar–Sep 1903
7-Month
63.1°F
(17.3°C)
63.5°F
(17.5°C)
-0.4°F
(-0.2°C)
38th Coolest Coolest since: 1902 1924
90th Warmest Warmest since: 1902 2010
Ties: 1895, 1899, 1902
Feb–Sep 1903
8-Month
59.7°F
(15.4°C)
59.9°F
(15.5°C)
-0.2°F
(-0.1°C)
49th Coolest Coolest since: 1902 1907
79th Warmest Warmest since: 1900 2012
Ties: 1969, 1984
Jan–Sep 1903
9-Month
56.6°F
(13.7°C)
56.9°F
(13.8°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1902 1940
83rd Warmest Warmest since: 1900 2012
Ties: 1908, 1915, 1947, 1960, 1981
Dec 1902–Sep 1903
10-Month
54.3°F
(12.4°C)
54.8°F
(12.7°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1902 1904
87th Warmest Warmest since: 1900 2012
Ties: 1969
Nov 1902–Sep 1903
11-Month
54.0°F
(12.2°C)
54.0°F
(12.2°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1902 1904
75th Warmest Warmest since: 1900 2012
Ties: 1922, 1931, 1946, 1950, 1960
Oct 1902–Sep 1903
12-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 1902 1904
70th Warmest Warmest since: 1900 2012
Apr 1902–Sep 1903
18-Month
58.2°F
(14.6°C)
58.4°F
(14.7°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1902 1904, 1918
85th Warmest Warmest since: 1901 2012
Ties: 1896, 1923, 1929, 1956
Oct 1901–Sep 1903
24-Month
53.3°F
(11.8°C)
54.1°F
(12.3°C)
-0.8°F
(-0.5°C)
20th Coolest Coolest since: 1902 1905
106th Warmest Warmest since: 1901 2017
Ties: 1924, 1928, 1936
Oct 1900–Sep 1903
36-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
26th Coolest Coolest to Date 1905, 1918
99th Warmest Warmest since: 1902 2018, 2021
Ties: 1924, 1942
Oct 1899–Sep 1903
48-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
38th Coolest Coolest since: 1902 1905
86th Warmest Warmest since: 1901 2019
Ties: 1914, 1915, 1921, 1925, 1938, 1961, 1972, 1984
Oct 1898–Sep 1903
60-Month
53.7°F
(12.1°C)
54.1°F
(12.3°C)
-0.4°F
(-0.2°C)
26th Coolest Coolest to Date 1908
97th Warmest Warmest since: 1902 2020
Ties: 1916, 1917, 1921, 1929, 1930, 1963

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/