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 2021

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2021
1-Month
81.14°F
(27.30°C)
77.81°F
(25.45°C)
3.33°F
(1.85°C)
121st Coolest Coolest since: 2020 1965
7th Warmest Warmest since: 2015 1998
Aug–Sep 2021
2-Month
83.72°F
(28.73°C)
81.47°F
(27.48°C)
2.25°F
(1.25°C)
120th Coolest Coolest since: 2020 1965
8th Warmest Warmest since: 2012 1998
Jul–Sep 2021
3-Month
85.04°F
(29.47°C)
83.21°F
(28.45°C)
1.83°F
(1.02°C)
119th Coolest Coolest since: 2020 1912
9th Warmest Warmest since: 2012 1936
Jun–Sep 2021
4-Month
85.18°F
(29.54°C)
82.74°F
(28.19°C)
2.44°F
(1.35°C)
125th Coolest Coolest since: 2020 1915
3rd Warmest Warmest since: 2012 1936
May–Sep 2021
5-Month
82.72°F
(28.18°C)
80.78°F
(27.10°C)
1.94°F
(1.08°C)
122nd Coolest Coolest since: 2020 1915
6th Warmest Warmest since: 2018 1936
Apr–Sep 2021
6-Month
79.75°F
(26.53°C)
77.90°F
(25.50°C)
1.85°F
(1.03°C)
122nd Coolest Coolest since: 2020 1907
6th Warmest Warmest since: 2012 2012
Mar–Sep 2021
7-Month
76.63°F
(24.79°C)
74.35°F
(23.53°C)
2.28°F
(1.26°C)
124th Coolest Coolest since: 2020 1912
4th Warmest Warmest since: 2012 2012
Feb–Sep 2021
8-Month
72.15°F
(22.31°C)
70.66°F
(21.48°C)
1.49°F
(0.83°C)
112th Coolest Coolest since: 2019 1912
16th Warmest Warmest since: 2020 2012
Ties: 2015
Jan–Sep 2021
9-Month
69.02°F
(20.57°C)
67.30°F
(19.61°C)
1.72°F
(0.96°C)
114th Coolest Coolest since: 2019 1912
14th Warmest Warmest since: 2020 2012
Dec 2020–Sep 2021
10-Month
66.78°F
(19.32°C)
64.86°F
(18.26°C)
1.92°F
(1.06°C)
118th Coolest Coolest since: 2019 1912
9th Warmest Warmest since: 2020 2012
Nov 2020–Sep 2021
11-Month
66.01°F
(18.89°C)
63.76°F
(17.64°C)
2.25°F
(1.25°C)
119th Coolest Coolest since: 2020 1912
8th Warmest Warmest since: 2017 2012
Oct 2020–Sep 2021
12-Month
66.09°F
(18.94°C)
64.01°F
(17.78°C)
2.08°F
(1.16°C)
119th Coolest Coolest since: 2020 1912
8th Warmest Warmest since: 2017 2012
Apr 2020–Sep 2021
18-Month
70.46°F
(21.37°C)
68.64°F
(20.36°C)
1.82°F
(1.01°C)
119th Coolest Coolest since: 2020 1912
8th Warmest Warmest since: 2017 2012
Oct 2019–Sep 2021
24-Month
65.82°F
(18.79°C)
64.00°F
(17.78°C)
1.82°F
(1.01°C)
117th Coolest Coolest since: 2020 1913
9th Warmest Warmest since: 2018 2017
Oct 2018–Sep 2021
36-Month
65.15°F
(18.42°C)
63.98°F
(17.77°C)
1.17°F
(0.65°C)
106th Coolest Coolest since: 2020 1917
19th Warmest Warmest since: 2019 2018
Oct 2017–Sep 2021
48-Month
65.35°F
(18.53°C)
63.97°F
(17.76°C)
1.38°F
(0.77°C)
111th Coolest Coolest since: 2016 1915
13th Warmest Warmest since: 2020 2018
Ties: 2012
Oct 2016–Sep 2021
60-Month
65.59°F
(18.66°C)
63.96°F
(17.76°C)
1.63°F
(0.90°C)
118th Coolest Coolest since: 2017 1907
5th Warmest Warmest since: 2020 2016
Ties: 2002

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on November 26, 2021 from https://www.ncdc.noaa.gov/cag/