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 1939

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1939
1-Month
81.23°F
(27.35°C)
77.81°F
(25.45°C)
3.42°F
(1.90°C)
122nd Coolest Coolest since: 1938 1965
6th Warmest Warmest since: 1931 1998
Aug–Sep 1939
2-Month
83.82°F
(28.79°C)
81.48°F
(27.49°C)
2.34°F
(1.30°C)
125th Coolest Coolest since: 1938 1965
3rd Warmest Warmest to Date 1998
Jul–Sep 1939
3-Month
85.41°F
(29.67°C)
83.21°F
(28.45°C)
2.20°F
(1.22°C)
123rd Coolest Coolest since: 1938 1912
5th Warmest Warmest since: 1936 1936
Jun–Sep 1939
4-Month
84.44°F
(29.13°C)
82.74°F
(28.19°C)
1.70°F
(0.94°C)
115th Coolest Coolest since: 1938 1915
13th Warmest Warmest since: 1936 1936
May–Sep 1939
5-Month
82.85°F
(28.25°C)
80.79°F
(27.11°C)
2.06°F
(1.14°C)
123rd Coolest Coolest since: 1938 1915
5th Warmest Warmest since: 1936 1936
Apr–Sep 1939
6-Month
79.80°F
(26.56°C)
77.90°F
(25.50°C)
1.90°F
(1.06°C)
123rd Coolest Coolest since: 1938 1907
5th Warmest Warmest since: 1936 2012
Mar–Sep 1939
7-Month
76.23°F
(24.57°C)
74.35°F
(23.53°C)
1.88°F
(1.04°C)
119th Coolest Coolest since: 1938 1912
9th Warmest Warmest since: 1936 2012
Feb–Sep 1939
8-Month
71.90°F
(22.17°C)
70.66°F
(21.48°C)
1.24°F
(0.69°C)
101st Coolest Coolest since: 1938 1912
27th Warmest Warmest since: 1936 2012
Jan–Sep 1939
9-Month
68.80°F
(20.44°C)
67.31°F
(19.62°C)
1.49°F
(0.82°C)
108th Coolest Coolest since: 1938 1912
20th Warmest Warmest since: 1934 2012
Dec 1938–Sep 1939
10-Month
66.37°F
(19.09°C)
64.85°F
(18.25°C)
1.52°F
(0.84°C)
111th Coolest Coolest since: 1938 1912
16th Warmest Warmest since: 1934 2012
Ties: 1981
Nov 1938–Sep 1939
11-Month
65.06°F
(18.37°C)
63.76°F
(17.64°C)
1.30°F
(0.73°C)
110th Coolest Coolest since: 1938 1912
17th Warmest Warmest since: 1934 2012
Oct 1938–Sep 1939
12-Month
65.47°F
(18.59°C)
64.01°F
(17.78°C)
1.46°F
(0.81°C)
114th Coolest Coolest since: 1938 1912
13th Warmest Warmest since: 1934 2012
Apr 1938–Sep 1939
18-Month
69.85°F
(21.03°C)
68.64°F
(20.36°C)
1.21°F
(0.67°C)
109th Coolest Coolest since: 1938 1912
18th Warmest Warmest since: 1935 2012
Oct 1937–Sep 1939
24-Month
65.07°F
(18.37°C)
64.00°F
(17.78°C)
1.07°F
(0.59°C)
105th Coolest Coolest since: 1938 1913
21st Warmest Warmest since: 1935 2017
Oct 1936–Sep 1939
36-Month
64.60°F
(18.11°C)
63.98°F
(17.77°C)
0.62°F
(0.34°C)
90th Coolest Coolest since: 1938 1917
35th Warmest Warmest since: 1936 2018
Oct 1935–Sep 1939
48-Month
64.48°F
(18.04°C)
63.97°F
(17.76°C)
0.51°F
(0.28°C)
84th Coolest Coolest since: 1938 1915
40th Warmest Warmest since: 1937 2018
Oct 1934–Sep 1939
60-Month
64.51°F
(18.06°C)
63.96°F
(17.76°C)
0.55°F
(0.30°C)
88th Coolest Coolest since: 1933 1907
35th Warmest Warmest since: 1938 2016
Ties: 1999

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/