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 1917

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1917
1-Month
62.4°F
(16.9°C)
67.4°F
(19.7°C)
-5.0°F
(-2.8°C)
1st Coolest Coolest to Date 1917
127th Warmest Warmest since: 1916 2018
Aug–Sep 1917
2-Month
68.1°F
(20.1°C)
70.6°F
(21.4°C)
-2.5°F
(-1.3°C)
4th Coolest Coolest to Date 1927, 1963
124th Warmest Warmest since: 1916 2018
Jul–Sep 1917
3-Month
70.4°F
(21.3°C)
72.2°F
(22.3°C)
-1.8°F
(-1.0°C)
8th Coolest Coolest since: 1909 1909
120th Warmest Warmest since: 1916 2016
Ties: 1940, 1946
Jun–Sep 1917
4-Month
70.5°F
(21.4°C)
71.8°F
(22.1°C)
-1.3°F
(-0.7°C)
12th Coolest Coolest since: 1909 1927
116th Warmest Warmest since: 1916 2010
Ties: 1904, 1982
May–Sep 1917
5-Month
67.7°F
(19.8°C)
69.9°F
(21.1°C)
-2.2°F
(-1.3°C)
5th Coolest Coolest since: 1907 1924, 1927
123rd Warmest Warmest since: 1916 2010
Apr–Sep 1917
6-Month
65.1°F
(18.4°C)
66.9°F
(19.4°C)
-1.8°F
(-1.0°C)
7th Coolest Coolest since: 1907 1907
121st Warmest Warmest since: 1916 2010
Mar–Sep 1917
7-Month
61.6°F
(16.4°C)
63.4°F
(17.4°C)
-1.8°F
(-1.0°C)
7th Coolest Coolest since: 1916 1924
121st Warmest Warmest since: 1916 2010
Ties: 1916
Feb–Sep 1917
8-Month
57.9°F
(14.4°C)
59.8°F
(15.4°C)
-1.9°F
(-1.0°C)
6th Coolest Coolest since: 1916 1907
122nd Warmest Warmest since: 1916 2012
Ties: 1916, 1978
Jan–Sep 1917
9-Month
55.2°F
(12.9°C)
56.9°F
(13.8°C)
-1.7°F
(-0.9°C)
9th Coolest Coolest since: 1912 1940
119th Warmest Warmest since: 1916 2012
Ties: 1895
Dec 1916–Sep 1917
10-Month
53.1°F
(11.7°C)
54.8°F
(12.7°C)
-1.7°F
(-1.0°C)
8th Coolest Coolest since: 1907 1904
119th Warmest Warmest since: 1916 2012
Ties: 1963
Nov 1916–Sep 1917
11-Month
52.3°F
(11.3°C)
53.9°F
(12.2°C)
-1.6°F
(-0.9°C)
9th Coolest Coolest since: 1907 1904
118th Warmest Warmest since: 1916 2012
Oct 1916–Sep 1917
12-Month
52.7°F
(11.5°C)
54.2°F
(12.3°C)
-1.5°F
(-0.8°C)
12th Coolest Coolest since: 1912 1904
115th Warmest Warmest since: 1916 2012
Ties: 1912
Apr 1916–Sep 1917
18-Month
57.1°F
(13.9°C)
58.4°F
(14.7°C)
-1.3°F
(-0.8°C)
7th Coolest Coolest since: 1908 1904, 1918
120th Warmest Warmest since: 1916 2012
Ties: 1963
Oct 1915–Sep 1917
24-Month
52.8°F
(11.6°C)
54.1°F
(12.3°C)
-1.3°F
(-0.7°C)
5th Coolest Coolest since: 1905 1905
121st Warmest Warmest since: 1916 2017
Ties: 1904
Oct 1914–Sep 1917
36-Month
53.1°F
(11.7°C)
54.1°F
(12.3°C)
-1.0°F
(-0.6°C)
9th Coolest Coolest since: 1907 1905, 1918
116th Warmest Warmest since: 1916 2018, 2021
Oct 1913–Sep 1917
48-Month
53.3°F
(11.8°C)
54.2°F
(12.3°C)
-0.9°F
(-0.5°C)
10th Coolest Coolest since: 1908 1905
114th Warmest Warmest since: 1916 2019
Ties: 1964, 1970
Oct 1912–Sep 1917
60-Month
53.7°F
(12.1°C)
54.1°F
(12.3°C)
-0.4°F
(-0.2°C)
26th Coolest Coolest since: 1916 1908
97th Warmest Warmest since: 1916 2020
Ties: 1903, 1916, 1921, 1929, 1930, 1963

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/