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


Contiguous U.S.

Minimum Temperature Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2009
1-Month
53.83°F
(12.13°C)
51.90°F
(11.06°C)
1.93°F
(1.07°C)
111th Coolest Coolest since: 2008 1918
17th Warmest Warmest since: 2005 2019
Ties: 1911
Aug–Sep 2009
2-Month
56.50°F
(13.61°C)
55.47°F
(13.04°C)
1.03°F
(0.57°C)
96th Coolest Coolest since: 2008 1974
32nd Warmest Warmest since: 2007 2019
Jul–Sep 2009
3-Month
57.65°F
(14.25°C)
57.16°F
(13.98°C)
0.49°F
(0.27°C)
83rd Coolest Coolest since: 2004 1924
45th Warmest Warmest since: 2008 1998
Ties: 1919, 1925
Jun–Sep 2009
4-Month
57.36°F
(14.09°C)
56.78°F
(13.77°C)
0.58°F
(0.32°C)
85th Coolest Coolest since: 2004 1903
43rd Warmest Warmest since: 2008 2021
Ties: 1922
May–Sep 2009
5-Month
55.71°F
(13.17°C)
54.91°F
(12.73°C)
0.80°F
(0.44°C)
94th Coolest Coolest since: 2008 1907, 1924
34th Warmest Warmest since: 2007 2018
Apr–Sep 2009
6-Month
52.83°F
(11.57°C)
52.20°F
(11.22°C)
0.63°F
(0.35°C)
89th Coolest Coolest since: 2008 1907
39th Warmest Warmest since: 2007 2018
Ties: 1959
Mar–Sep 2009
7-Month
49.70°F
(9.83°C)
49.03°F
(9.46°C)
0.67°F
(0.37°C)
93rd Coolest Coolest since: 2008 1917
35th Warmest Warmest since: 2007 2012
Feb–Sep 2009
8-Month
46.61°F
(8.12°C)
45.74°F
(7.63°C)
0.87°F
(0.49°C)
96th Coolest Coolest since: 2008 1917
32nd Warmest Warmest since: 2007 2012
Ties: 1954
Jan–Sep 2009
9-Month
43.63°F
(6.46°C)
42.86°F
(6.03°C)
0.77°F
(0.43°C)
91st Coolest Coolest since: 2008 1917
37th Warmest Warmest since: 2007 2012
Dec 2008–Sep 2009
10-Month
41.38°F
(5.21°C)
40.84°F
(4.91°C)
0.54°F
(0.30°C)
85th Coolest Coolest since: 2008 1917
42nd Warmest Warmest since: 2007 2016
Nov 2008–Sep 2009
11-Month
40.61°F
(4.78°C)
39.92°F
(4.40°C)
0.69°F
(0.38°C)
91st Coolest Coolest since: 2008 1917
36th Warmest Warmest since: 2007 2016
Oct 2008–Sep 2009
12-Month
40.66°F
(4.81°C)
40.05°F
(4.47°C)
0.61°F
(0.34°C)
89th Coolest Coolest since: 2008 1917
38th Warmest Warmest since: 2007 2016
Apr 2008–Sep 2009
18-Month
44.53°F
(6.96°C)
44.10°F
(6.72°C)
0.43°F
(0.24°C)
87th Coolest Coolest since: 1997 1917
40th Warmest Warmest since: 2008 2016
Ties: 1931, 1997
Oct 2007–Sep 2009
24-Month
40.59°F
(4.77°C)
40.04°F
(4.47°C)
0.55°F
(0.30°C)
87th Coolest Coolest since: 1997 1918
39th Warmest Warmest since: 2008 2017
Ties: 1954
Oct 2006–Sep 2009
36-Month
40.93°F
(4.96°C)
40.02°F
(4.46°C)
0.91°F
(0.50°C)
102nd Coolest Coolest since: 1997 1918
23rd Warmest Warmest since: 2008 2017, 2018
Oct 2005–Sep 2009
48-Month
41.22°F
(5.12°C)
40.01°F
(4.45°C)
1.21°F
(0.67°C)
105th Coolest Coolest since: 2004 1918
19th Warmest Warmest since: 2008 2018
Oct 2004–Sep 2009
60-Month
41.40°F
(5.22°C)
40.00°F
(4.44°C)
1.40°F
(0.78°C)
109th Coolest Coolest since: 2005 1920
14th Warmest Warmest since: 2008 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 15, 2021 from https://www.ncdc.noaa.gov/cag/