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 April 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, September 1939

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1939
1-Month
53.51°F
(11.95°C)
51.90°F
(11.06°C)
1.61°F
(0.89°C)
106th Coolest Coolest since: 1938 1918
22nd Warmest Warmest since: 1933 2019
Aug–Sep 1939
2-Month
56.19°F
(13.44°C)
55.48°F
(13.04°C)
0.71°F
(0.40°C)
84th Coolest Coolest since: 1935 1974
44th Warmest Warmest since: 1938 2019
Jul–Sep 1939
3-Month
57.84°F
(14.36°C)
57.16°F
(13.98°C)
0.68°F
(0.38°C)
91st Coolest Coolest since: 1935 1924
37th Warmest Warmest since: 1938 1998
Jun–Sep 1939
4-Month
57.42°F
(14.12°C)
56.78°F
(13.77°C)
0.64°F
(0.35°C)
86th Coolest Coolest since: 1935 1903
42nd Warmest Warmest since: 1938 2021
May–Sep 1939
5-Month
55.73°F
(13.18°C)
54.91°F
(12.73°C)
0.82°F
(0.45°C)
95th Coolest Coolest since: 1938 1907, 1924
33rd Warmest Warmest since: 1937 2018
Apr–Sep 1939
6-Month
52.85°F
(11.58°C)
52.19°F
(11.22°C)
0.66°F
(0.36°C)
90th Coolest Coolest since: 1935 1907
38th Warmest Warmest since: 1938 2018
Mar–Sep 1939
7-Month
49.62°F
(9.79°C)
49.02°F
(9.46°C)
0.60°F
(0.33°C)
88th Coolest Coolest since: 1937 1917
40th Warmest Warmest since: 1938 2012
Ties: 1910
Feb–Sep 1939
8-Month
45.72°F
(7.62°C)
45.75°F
(7.64°C)
-0.03°F
(-0.02°C)
55th Coolest Coolest since: 1933 1917
73rd Warmest Warmest since: 1938 2012
Jan–Sep 1939
9-Month
43.28°F
(6.27°C)
42.85°F
(6.03°C)
0.43°F
(0.24°C)
81st Coolest Coolest since: 1937 1917
47th Warmest Warmest since: 1938 2012
Ties: 1957
Dec 1938–Sep 1939
10-Month
41.34°F
(5.19°C)
40.84°F
(4.91°C)
0.50°F
(0.28°C)
82nd Coolest Coolest since: 1937 1917
45th Warmest Warmest since: 1938 2016
Nov 1938–Sep 1939
11-Month
40.13°F
(4.52°C)
39.92°F
(4.40°C)
0.21°F
(0.12°C)
72nd Coolest Coolest since: 1937 1917
55th Warmest Warmest since: 1938 2016
Oct 1938–Sep 1939
12-Month
40.35°F
(4.64°C)
40.05°F
(4.47°C)
0.30°F
(0.17°C)
77th Coolest Coolest since: 1937 1917
50th Warmest Warmest since: 1938 2016
Apr 1938–Sep 1939
18-Month
44.52°F
(6.96°C)
44.09°F
(6.72°C)
0.43°F
(0.24°C)
84th Coolest Coolest since: 1937 1917
43rd Warmest Warmest since: 1938 2016
Ties: 2014
Oct 1937–Sep 1939
24-Month
40.75°F
(4.86°C)
40.03°F
(4.46°C)
0.72°F
(0.40°C)
95th Coolest Coolest since: 1938 1918
31st Warmest Warmest since: 1935 2017
Oct 1936–Sep 1939
36-Month
40.34°F
(4.63°C)
40.02°F
(4.46°C)
0.32°F
(0.17°C)
72nd Coolest Coolest since: 1938 1918
53rd Warmest Warmest since: 1936 2017, 2018
Oct 1935–Sep 1939
48-Month
40.14°F
(4.52°C)
40.01°F
(4.45°C)
0.13°F
(0.07°C)
69th Coolest Coolest since: 1932 1918
55th Warmest Warmest since: 1938 2018
Oct 1934–Sep 1939
60-Month
40.28°F
(4.60°C)
40.00°F
(4.44°C)
0.28°F
(0.16°C)
77th Coolest Coolest since: 1937 1920
46th Warmest Warmest since: 1938 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2022, retrieved on May 18, 2022 from https://www.ncdc.noaa.gov/cag/