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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, September 1901

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1901
1-Month
50.79°F
(10.44°C)
51.90°F
(11.06°C)
-1.11°F
(-0.62°C)
24th Coolest Coolest since: 1899 1918
103rd Warmest Warmest since: 1900 2019
Ties: 1964
Aug–Sep 1901
2-Month
55.52°F
(13.07°C)
55.48°F
(13.04°C)
0.04°F
(0.03°C)
58th Coolest Coolest since: 1899 1974
69th Warmest Warmest since: 1900 2019
Jul–Sep 1901
3-Month
57.86°F
(14.37°C)
57.16°F
(13.98°C)
0.70°F
(0.39°C)
92nd Coolest Coolest since: 1900 1924
35th Warmest Warmest to Date 1998
Jun–Sep 1901
4-Month
57.26°F
(14.03°C)
56.78°F
(13.77°C)
0.48°F
(0.26°C)
78th Coolest Coolest since: 1899 1903
49th Warmest Warmest since: 1900 2018
May–Sep 1901
5-Month
55.45°F
(13.03°C)
54.91°F
(12.73°C)
0.54°F
(0.30°C)
84th Coolest Coolest since: 1899 1907, 1924
43rd Warmest Warmest since: 1900 2018
Apr–Sep 1901
6-Month
52.39°F
(11.33°C)
52.20°F
(11.22°C)
0.19°F
(0.11°C)
62nd Coolest Coolest since: 1899 1907
65th Warmest Warmest since: 1900 2018
Ties: 1957
Mar–Sep 1901
7-Month
49.04°F
(9.47°C)
49.02°F
(9.46°C)
0.02°F
(0.01°C)
55th Coolest Coolest since: 1899 1917
72nd Warmest Warmest since: 1900 2012
Ties: 1953, 2008
Feb–Sep 1901
8-Month
45.35°F
(7.42°C)
45.75°F
(7.64°C)
-0.40°F
(-0.22°C)
32nd Coolest Coolest since: 1899 1917
95th Warmest Warmest since: 1900 2012
Ties: 1944
Jan–Sep 1901
9-Month
42.65°F
(5.92°C)
42.85°F
(6.03°C)
-0.20°F
(-0.11°C)
49th Coolest Coolest since: 1899 1917
78th Warmest Warmest since: 1900 2012
Dec 1900–Sep 1901
10-Month
40.82°F
(4.90°C)
40.84°F
(4.91°C)
-0.02°F
(-0.01°C)
55th Coolest Coolest since: 1899 1917
71st Warmest Warmest since: 1900 2016
Ties: 1976
Nov 1900–Sep 1901
11-Month
39.91°F
(4.39°C)
39.92°F
(4.40°C)
-0.01°F
(-0.01°C)
59th Coolest Coolest since: 1899 1917
67th Warmest Warmest since: 1900 2016
Oct 1900–Sep 1901
12-Month
40.32°F
(4.62°C)
40.05°F
(4.47°C)
0.27°F
(0.15°C)
76th Coolest Coolest since: 1899 1917
50th Warmest Warmest since: 1900 2016
Ties: 1925
Apr 1900–Sep 1901
18-Month
44.59°F
(6.99°C)
44.10°F
(6.72°C)
0.49°F
(0.27°C)
90th Coolest Coolest since: 1900 1917
36th Warmest Warmest to Date 2016
Oct 1899–Sep 1901
24-Month
40.55°F
(4.75°C)
40.04°F
(4.47°C)
0.51°F
(0.28°C)
85th Coolest Coolest since: 1900 1918
40th Warmest Warmest to Date 2017
Oct 1898–Sep 1901
36-Month
39.71°F
(4.28°C)
40.02°F
(4.46°C)
-0.31°F
(-0.18°C)
31st Coolest Coolest since: 1900 1918
93rd Warmest Warmest since: 1898 2017, 2018
Ties: 1915, 1968, 1977
Oct 1897–Sep 1901
48-Month
39.83°F
(4.35°C)
40.01°F
(4.45°C)
-0.18°F
(-0.10°C)
42nd Coolest Coolest since: 1900 1918
81st Warmest Warmest to Date 2018
Oct 1896–Sep 1901
60-Month
39.81°F
(4.34°C)
40.00°F
(4.44°C)
-0.19°F
(-0.10°C)
39th Coolest Coolest since: 1900 1920
83rd Warmest Warmest to Date 2019, 2020
Ties: 1928

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2020, retrieved on October 20, 2020 from https://www.ncdc.noaa.gov/cag/