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 October 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
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
71st 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
54th 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
50th 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
48th Warmest Warmest since: 1990 2021
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
35th 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
33rd 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)
96th Coolest Coolest since: 1989 1912
32nd 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)
115th Coolest Coolest since: 1990 1917
13th 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)
108th Coolest Coolest since: 1989 1912
20th 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)
101st Coolest Coolest since: 1989 1917
26th 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)
107th Coolest Coolest since: 1990 1912
20th 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)
108th Coolest Coolest since: 1990 1912
19th 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
21st 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
18th 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
27th 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
27th 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
22nd Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on November 28, 2021 from https://www.ncdc.noaa.gov/cag/