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 August 2022. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1991
1-Month
67.0°F
(19.4°C)
67.4°F
(19.7°C)
-0.4°F
(-0.3°C)
45th Coolest Coolest since: 1990 1917
83rd Warmest Warmest since: 1989 2018
Ties: 1905, 1927, 1951, 1952
Aug–Sep 1991
2-Month
71.4°F
(21.9°C)
70.6°F
(21.4°C)
0.8°F
(0.5°C)
78th Coolest Coolest since: 1990 1927, 1963
50th Warmest Warmest since: 1989 2018
Ties: 1911, 1989
Jul–Sep 1991
3-Month
73.3°F
(22.9°C)
72.2°F
(22.3°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 1990 1909
38th Warmest Warmest since: 1988 2016
Jun–Sep 1991
4-Month
73.1°F
(22.8°C)
71.8°F
(22.1°C)
1.3°F
(0.7°C)
94th Coolest Coolest since: 1990 1927
34th Warmest Warmest since: 1988 2010
Ties: 1934, 1952, 1961, 1983
May–Sep 1991
5-Month
72.2°F
(22.3°C)
69.9°F
(21.1°C)
2.3°F
(1.2°C)
117th Coolest Coolest since: 1990 1924, 1927
11th Warmest Warmest since: 1900 2010
Ties: 2020
Apr–Sep 1991
6-Month
69.3°F
(20.7°C)
66.9°F
(19.4°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 1990 1907
11th Warmest Warmest to Date 2010
Mar–Sep 1991
7-Month
66.0°F
(18.9°C)
63.5°F
(17.5°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 1990 1924
10th Warmest Warmest since: 1921 2010
Ties: 2017, 2020
Feb–Sep 1991
8-Month
62.8°F
(17.1°C)
59.8°F
(15.4°C)
3.0°F
(1.7°C)
118th Coolest Coolest since: 1990 1907
10th Warmest Warmest to Date 2012
Jan–Sep 1991
9-Month
59.8°F
(15.4°C)
56.9°F
(13.8°C)
2.9°F
(1.6°C)
119th Coolest Coolest since: 1990 1940
9th Warmest Warmest to Date 2012
Ties: 2018
Dec 1990–Sep 1991
10-Month
58.1°F
(14.5°C)
54.8°F
(12.7°C)
3.3°F
(1.8°C)
120th Coolest Coolest since: 1990 1904
7th Warmest Warmest to Date 2012
Ties: 1998
Nov 1990–Sep 1991
11-Month
57.3°F
(14.1°C)
54.0°F
(12.2°C)
3.3°F
(1.9°C)
121st Coolest Coolest since: 1990 1904
6th Warmest Warmest to Date 2012
Ties: 2010
Oct 1990–Sep 1991
12-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 1990 1904
5th Warmest Warmest to Date 2012
Ties: 2019
Apr 1990–Sep 1991
18-Month
60.8°F
(16.0°C)
58.5°F
(14.7°C)
2.3°F
(1.3°C)
117th Coolest Coolest since: 1990 1904, 1918
10th Warmest Warmest to Date 2012
Ties: 2006, 2008, 2010, 2013
Oct 1989–Sep 1991
24-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
113th Coolest Coolest since: 1990 1905
13th Warmest Warmest to Date 2017
Ties: 2002
Oct 1988–Sep 1991
36-Month
55.8°F
(13.2°C)
54.1°F
(12.3°C)
1.7°F
(0.9°C)
105th Coolest Coolest since: 1990 1905, 1918
20th Warmest Warmest to Date 2018
Oct 1987–Sep 1991
48-Month
55.5°F
(13.1°C)
54.1°F
(12.3°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1990 1905
23rd Warmest Warmest to Date 2019
Ties: 1992, 1993
Oct 1986–Sep 1991
60-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1990 1908
24th Warmest Warmest to Date 2020
Ties: 1993, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 30, 2022 from https://www.ncdc.noaa.gov/cag/