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 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1904

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1904
1-Month
66.8°F
(19.3°C)
67.4°F
(19.7°C)
-0.6°F
(-0.4°C)
41st Coolest Coolest since: 1903 1917
87th Warmest Warmest since: 1901 2018
Ties: 1974, 1978
Aug–Sep 1904
2-Month
69.6°F
(20.9°C)
70.6°F
(21.4°C)
-1.0°F
(-0.5°C)
25th Coolest Coolest since: 1903 1927, 1963
103rd Warmest Warmest since: 1901 2018
Ties: 1913, 1919, 2000
Jul–Sep 1904
3-Month
70.8°F
(21.6°C)
72.2°F
(22.3°C)
-1.4°F
(-0.7°C)
13th Coolest Coolest to Date 1909
115th Warmest Warmest since: 1903 2016
Jun–Sep 1904
4-Month
70.5°F
(21.4°C)
71.9°F
(22.2°C)
-1.4°F
(-0.8°C)
12th Coolest Coolest since: 1903 1927
116th Warmest Warmest since: 1902 2010
Ties: 1917, 1982
May–Sep 1904
5-Month
69.0°F
(20.6°C)
69.9°F
(21.1°C)
-0.9°F
(-0.5°C)
20th Coolest Coolest since: 1903 1924, 1927
108th Warmest Warmest since: 1902 2010
Ties: 1915, 1926, 1962, 1974
Apr–Sep 1904
6-Month
65.6°F
(18.7°C)
66.9°F
(19.4°C)
-1.3°F
(-0.7°C)
12th Coolest Coolest since: 1903 1907
116th Warmest Warmest since: 1902 2010
Ties: 1909, 1928, 1946, 1972
Mar–Sep 1904
7-Month
61.9°F
(16.6°C)
63.4°F
(17.4°C)
-1.5°F
(-0.8°C)
10th Coolest Coolest to Date 1924
118th Warmest Warmest since: 1903 2010
Feb–Sep 1904
8-Month
57.5°F
(14.2°C)
59.8°F
(15.4°C)
-2.3°F
(-1.2°C)
3rd Coolest Coolest to Date 1907
125th Warmest Warmest since: 1903 2012
Jan–Sep 1904
9-Month
54.1°F
(12.3°C)
56.9°F
(13.8°C)
-2.8°F
(-1.5°C)
2nd Coolest Coolest to Date 1940
126th Warmest Warmest since: 1903 2012
Dec 1903–Sep 1904
10-Month
51.8°F
(11.0°C)
54.8°F
(12.7°C)
-3.0°F
(-1.7°C)
1st Coolest Coolest to Date 1904
126th Warmest Warmest since: 1903 2012
Nov 1903–Sep 1904
11-Month
50.8°F
(10.4°C)
54.0°F
(12.2°C)
-3.2°F
(-1.8°C)
1st Coolest Coolest to Date 1904
126th Warmest Warmest since: 1903 2012
Oct 1903–Sep 1904
12-Month
51.3°F
(10.7°C)
54.2°F
(12.3°C)
-2.9°F
(-1.6°C)
1st Coolest Coolest to Date 1904
126th Warmest Warmest since: 1903 2012
Apr 1903–Sep 1904
18-Month
56.0°F
(13.3°C)
58.4°F
(14.7°C)
-2.4°F
(-1.4°C)
1st Coolest Coolest to Date 1904, 1918
126th Warmest Warmest since: 1903 2012
Ties: 1918
Oct 1902–Sep 1904
24-Month
52.8°F
(11.6°C)
54.2°F
(12.3°C)
-1.4°F
(-0.7°C)
5th Coolest Coolest to Date 1905
121st Warmest Warmest since: 1903 2017
Ties: 1917
Oct 1901–Sep 1904
36-Month
52.7°F
(11.5°C)
54.2°F
(12.3°C)
-1.5°F
(-0.8°C)
4th Coolest Coolest to Date 1905, 1918
121st Warmest Warmest since: 1903 2018, 2021
Oct 1900–Sep 1904
48-Month
53.0°F
(11.7°C)
54.1°F
(12.3°C)
-1.1°F
(-0.6°C)
5th Coolest Coolest to Date 1905
119th Warmest Warmest since: 1903 2019
Ties: 1906, 1908, 1919
Oct 1899–Sep 1904
60-Month
53.4°F
(11.9°C)
54.2°F
(12.3°C)
-0.8°F
(-0.4°C)
11th Coolest Coolest to Date 1908
112th Warmest Warmest since: 1903 2020
Ties: 1911, 1928, 1965, 1966, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 27, 2021 from https://www.ncdc.noaa.gov/cag/