Climate at a Glance

National 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 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, September 1991

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
September 1991
1-Month
64.90°F
(18.28°C)
64.86°F
(18.26°C)
0.04°F
(0.02°C)
57th Coolest Coolest since: 1989 1965
68th Warmest Warmest since: 1990 1998
Aug–Sep 1991
2-Month
68.94°F
(20.52°C)
68.47°F
(20.26°C)
0.47°F
(0.26°C)
74th Coolest Coolest since: 1989 1974
51st Warmest Warmest since: 1990 1998
Jul–Sep 1991
3-Month
70.59°F
(21.44°C)
70.19°F
(21.22°C)
0.40°F
(0.22°C)
78th Coolest Coolest since: 1989 1950
47th Warmest Warmest since: 1990 1998
Jun–Sep 1991
4-Month
70.22°F
(21.23°C)
69.77°F
(20.98°C)
0.45°F
(0.25°C)
80th Coolest Coolest since: 1989 1903
45th Warmest Warmest since: 1990 1936
May–Sep 1991
5-Month
68.57°F
(20.32°C)
67.86°F
(19.92°C)
0.71°F
(0.40°C)
93rd Coolest Coolest since: 1990 1907
32nd Warmest Warmest since: 1988 2018
Apr–Sep 1991
6-Month
65.90°F
(18.83°C)
65.06°F
(18.37°C)
0.84°F
(0.46°C)
95th Coolest Coolest since: 1990 1907
30th Warmest Warmest since: 1988 2012
Mar–Sep 1991
7-Month
62.67°F
(17.04°C)
61.69°F
(16.49°C)
0.98°F
(0.55°C)
95th Coolest Coolest since: 1989 1912
30th Warmest Warmest since: 1990 2012
Feb–Sep 1991
8-Month
59.81°F
(15.45°C)
58.20°F
(14.56°C)
1.61°F
(0.89°C)
113th Coolest Coolest since: 1990 1917
12th Warmest Warmest since: 1934 2012
Jan–Sep 1991
9-Month
56.44°F
(13.58°C)
55.08°F
(12.82°C)
1.36°F
(0.76°C)
107th Coolest Coolest since: 1989 1912
18th Warmest Warmest since: 1990 2012
Dec 1990–Sep 1991
10-Month
53.88°F
(12.16°C)
52.85°F
(11.58°C)
1.03°F
(0.58°C)
100th Coolest Coolest since: 1989 1917
24th Warmest Warmest since: 1990 2012
Ties: 1986
Nov 1990–Sep 1991
11-Month
53.07°F
(11.71°C)
51.84°F
(11.02°C)
1.23°F
(0.69°C)
106th Coolest Coolest since: 1990 1912
18th Warmest Warmest since: 1987 2012
Oct 1990–Sep 1991
12-Month
53.14°F
(11.74°C)
52.03°F
(11.13°C)
1.11°F
(0.61°C)
107th Coolest Coolest since: 1990 1912
17th Warmest Warmest since: 1987 2012
Apr 1990–Sep 1991
18-Month
57.34°F
(14.08°C)
56.36°F
(13.53°C)
0.98°F
(0.55°C)
106th Coolest Coolest since: 1990 1917
18th Warmest Warmest since: 1981 2012
Ties: 1981
Oct 1989–Sep 1991
24-Month
53.13°F
(11.74°C)
52.02°F
(11.12°C)
1.11°F
(0.62°C)
108th Coolest Coolest since: 1990 1913, 1918
15th Warmest Warmest since: 1935 2017
Oct 1988–Sep 1991
36-Month
52.86°F
(11.59°C)
52.01°F
(11.12°C)
0.85°F
(0.47°C)
98th Coolest Coolest since: 1990 1917
24th Warmest Warmest since: 1988 2018
Oct 1987–Sep 1991
48-Month
52.82°F
(11.57°C)
52.00°F
(11.11°C)
0.82°F
(0.46°C)
97th Coolest Coolest since: 1989 1918
24th Warmest Warmest since: 1990 2018
Oct 1986–Sep 1991
60-Month
52.89°F
(11.61°C)
51.98°F
(11.10°C)
0.91°F
(0.51°C)
101st Coolest Coolest since: 1990 1920
19th Warmest Warmest to Date 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/