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.

Maximum Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1991
1-Month
77.56°F
(25.31°C)
77.81°F
(25.45°C)
-0.25°F
(-0.14°C)
53rd Coolest Coolest since: 1989 1965
75th Warmest Warmest since: 1990 1998
Aug–Sep 1991
2-Month
81.63°F
(27.57°C)
81.47°F
(27.48°C)
0.16°F
(0.09°C)
65th Coolest Coolest since: 1989 1965
63rd Warmest Warmest since: 1990 1998
Jul–Sep 1991
3-Month
83.30°F
(28.50°C)
83.21°F
(28.45°C)
0.09°F
(0.05°C)
65th Coolest Coolest since: 1989 1912
63rd Warmest Warmest since: 1990 1936
Jun–Sep 1991
4-Month
82.80°F
(28.22°C)
82.74°F
(28.19°C)
0.06°F
(0.03°C)
60th Coolest Coolest since: 1989 1915
68th Warmest Warmest since: 1990 1936
May–Sep 1991
5-Month
80.95°F
(27.19°C)
80.79°F
(27.11°C)
0.16°F
(0.08°C)
65th Coolest Coolest since: 1989 1915
63rd Warmest Warmest since: 1990 1936
Ties: 2008
Apr–Sep 1991
6-Month
78.19°F
(25.66°C)
77.90°F
(25.50°C)
0.29°F
(0.16°C)
69th Coolest Coolest since: 1989 1907
59th Warmest Warmest since: 1990 2012
Mar–Sep 1991
7-Month
74.84°F
(23.80°C)
74.35°F
(23.53°C)
0.49°F
(0.27°C)
78th Coolest Coolest since: 1989 1912
50th Warmest Warmest since: 1990 2012
Feb–Sep 1991
8-Month
71.93°F
(22.18°C)
70.65°F
(21.47°C)
1.28°F
(0.71°C)
103rd Coolest Coolest since: 1990 1912
25th Warmest Warmest since: 1988 2012
Jan–Sep 1991
9-Month
68.30°F
(20.17°C)
67.30°F
(19.61°C)
1.00°F
(0.56°C)
97th Coolest Coolest since: 1989 1912
31st Warmest Warmest since: 1990 2012
Dec 1990–Sep 1991
10-Month
65.66°F
(18.70°C)
64.86°F
(18.26°C)
0.80°F
(0.44°C)
94th Coolest Coolest since: 1989 1912
33rd Warmest Warmest since: 1990 2012
Ties: 1946
Nov 1990–Sep 1991
11-Month
64.86°F
(18.26°C)
63.75°F
(17.64°C)
1.11°F
(0.62°C)
103rd Coolest Coolest since: 1989 1912
24th Warmest Warmest since: 1990 2012
Ties: 1987
Oct 1990–Sep 1991
12-Month
65.06°F
(18.37°C)
64.01°F
(17.78°C)
1.05°F
(0.59°C)
104th Coolest Coolest since: 1989 1912
23rd Warmest Warmest since: 1990 2012
Apr 1990–Sep 1991
18-Month
69.49°F
(20.83°C)
68.63°F
(20.35°C)
0.86°F
(0.48°C)
101st Coolest Coolest since: 1990 1912
26th Warmest Warmest since: 1988 2012
Ties: 2005
Oct 1989–Sep 1991
24-Month
65.15°F
(18.42°C)
64.00°F
(17.78°C)
1.15°F
(0.64°C)
108th Coolest Coolest since: 1990 1913
18th Warmest Warmest since: 1955 2017
Oct 1988–Sep 1991
36-Month
64.88°F
(18.27°C)
63.98°F
(17.77°C)
0.90°F
(0.50°C)
98th Coolest Coolest since: 1989 1917
27th Warmest Warmest since: 1990 2018
Ties: 2005
Oct 1987–Sep 1991
48-Month
64.95°F
(18.31°C)
63.97°F
(17.76°C)
0.98°F
(0.55°C)
99th Coolest Coolest since: 1990 1915
25th Warmest Warmest since: 1956 2018
Oct 1986–Sep 1991
60-Month
64.95°F
(18.31°C)
63.96°F
(17.76°C)
0.99°F
(0.55°C)
99th Coolest Coolest since: 1990 1907
24th Warmest Warmest since: 1935 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 5, 2021 from https://www.ncdc.noaa.gov/cag/