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 1905

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1905
1-Month
67.0°F
(19.4°C)
67.4°F
(19.7°C)
-0.4°F
(-0.3°C)
45th Coolest Coolest since: 1904 1917
83rd Warmest Warmest since: 1901 2018
Ties: 1927, 1951, 1952, 1991
Aug–Sep 1905
2-Month
69.7°F
(20.9°C)
70.6°F
(21.4°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 1904 1927, 1963
99th Warmest Warmest since: 1901 2018
Ties: 1922, 1928
Jul–Sep 1905
3-Month
71.5°F
(21.9°C)
72.2°F
(22.3°C)
-0.7°F
(-0.4°C)
27th Coolest Coolest since: 1904 1909
101st Warmest Warmest since: 1901 2016
Ties: 1899, 1920, 1935, 1937, 1964, 1992
Jun–Sep 1905
4-Month
71.1°F
(21.7°C)
71.8°F
(22.1°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1904 1927
100th Warmest Warmest since: 1901 2010
Ties: 1915, 1919, 1926, 1928, 1929, 1958
May–Sep 1905
5-Month
69.5°F
(20.8°C)
69.9°F
(21.1°C)
-0.4°F
(-0.3°C)
37th Coolest Coolest since: 1904 1924, 1927
91st Warmest Warmest since: 1901 2010
Ties: 1908, 1913, 1981
Apr–Sep 1905
6-Month
66.5°F
(19.2°C)
66.9°F
(19.4°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1904 1907
95th Warmest Warmest since: 1901 2010
Ties: 1932, 1958, 1964, 1984
Mar–Sep 1905
7-Month
63.2°F
(17.3°C)
63.5°F
(17.5°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1904 1924
86th Warmest Warmest since: 1901 2010
Ties: 1997
Feb–Sep 1905
8-Month
58.4°F
(14.7°C)
59.8°F
(15.4°C)
-1.4°F
(-0.7°C)
15th Coolest Coolest since: 1904 1907
113th Warmest Warmest since: 1903 2012
Ties: 1934
Jan–Sep 1905
9-Month
55.1°F
(12.8°C)
56.9°F
(13.8°C)
-1.8°F
(-1.0°C)
8th Coolest Coolest since: 1904 1940
120th Warmest Warmest since: 1903 2012
Dec 1904–Sep 1905
10-Month
52.5°F
(11.4°C)
54.8°F
(12.7°C)
-2.3°F
(-1.3°C)
4th Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1903 2012
Nov 1904–Sep 1905
11-Month
51.5°F
(10.8°C)
54.0°F
(12.2°C)
-2.5°F
(-1.4°C)
3rd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1903 2012
Ties: 1918
Oct 1904–Sep 1905
12-Month
51.6°F
(10.9°C)
54.1°F
(12.3°C)
-2.5°F
(-1.4°C)
4th Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1903 2012
Apr 1904–Sep 1905
18-Month
56.3°F
(13.5°C)
58.4°F
(14.7°C)
-2.1°F
(-1.2°C)
3rd Coolest Coolest since: 1904 1904, 1918
124th Warmest Warmest since: 1903 2012
Oct 1903–Sep 1905
24-Month
51.5°F
(10.8°C)
54.2°F
(12.3°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest to Date 1905
125th Warmest Warmest since: 1904 2017
Oct 1902–Sep 1905
36-Month
52.4°F
(11.3°C)
54.2°F
(12.3°C)
-1.8°F
(-1.0°C)
1st Coolest Coolest to Date 1905, 1918
124th Warmest Warmest since: 1904 2018, 2021
Ties: 1918
Oct 1901–Sep 1905
48-Month
52.4°F
(11.3°C)
54.2°F
(12.3°C)
-1.8°F
(-1.0°C)
1st Coolest Coolest to Date 1905
123rd Warmest Warmest since: 1904 2019
Oct 1900–Sep 1905
60-Month
52.8°F
(11.6°C)
54.2°F
(12.3°C)
-1.4°F
(-0.7°C)
2nd Coolest Coolest to Date 1908
121st Warmest Warmest since: 1904 2020
Ties: 1906, 1907

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 24, 2021 from https://www.ncdc.noaa.gov/cag/