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 August 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, September 1940

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
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
September 1940
1-Month
65.35°F
(18.53°C)
64.86°F
(18.26°C)
0.49°F
(0.27°C)
69th Coolest Coolest since: 1935 1965
56th Warmest Warmest since: 1939 1998
Aug–Sep 1940
2-Month
68.74°F
(20.41°C)
68.47°F
(20.26°C)
0.27°F
(0.15°C)
67th Coolest Coolest since: 1934 1974
58th Warmest Warmest since: 1939 1998
Ties: 2008
Jul–Sep 1940
3-Month
70.54°F
(21.41°C)
70.19°F
(21.22°C)
0.35°F
(0.19°C)
76th Coolest Coolest since: 1932 1950
49th Warmest Warmest since: 1939 1998
Jun–Sep 1940
4-Month
70.31°F
(21.28°C)
69.77°F
(20.98°C)
0.54°F
(0.30°C)
83rd Coolest Coolest since: 1935 1903
42nd Warmest Warmest since: 1939 1936
May–Sep 1940
5-Month
68.42°F
(20.23°C)
67.86°F
(19.92°C)
0.56°F
(0.31°C)
88th Coolest Coolest since: 1935 1907
37th Warmest Warmest since: 1939 2018
Apr–Sep 1940
6-Month
65.39°F
(18.55°C)
65.06°F
(18.37°C)
0.33°F
(0.18°C)
72nd Coolest Coolest since: 1935 1907
53rd Warmest Warmest since: 1939 2012
Ties: 1985
Mar–Sep 1940
7-Month
61.98°F
(16.66°C)
61.69°F
(16.49°C)
0.29°F
(0.17°C)
74th Coolest Coolest since: 1935 1912
51st Warmest Warmest since: 1939 2012
Ties: 1919, 1949
Feb–Sep 1940
8-Month
58.46°F
(14.70°C)
58.20°F
(14.56°C)
0.26°F
(0.14°C)
75th Coolest Coolest since: 1937 1917
50th Warmest Warmest since: 1939 2012
Ties: 1997
Jan–Sep 1940
9-Month
54.61°F
(12.56°C)
55.08°F
(12.82°C)
-0.47°F
(-0.26°C)
33rd Coolest Coolest since: 1937 1912
92nd Warmest Warmest since: 1939 2012
Dec 1939–Sep 1940
10-Month
52.92°F
(11.62°C)
52.85°F
(11.58°C)
0.07°F
(0.04°C)
56th Coolest Coolest since: 1937 1917
68th Warmest Warmest since: 1939 2012
Ties: 1926, 1955, 1963
Nov 1939–Sep 1940
11-Month
51.96°F
(11.09°C)
51.84°F
(11.02°C)
0.12°F
(0.07°C)
65th Coolest Coolest since: 1937 1912
59th Warmest Warmest since: 1939 2012
Ties: 1922
Oct 1939–Sep 1940
12-Month
52.19°F
(11.22°C)
52.03°F
(11.13°C)
0.16°F
(0.09°C)
66th Coolest Coolest since: 1937 1912
58th Warmest Warmest since: 1939 2012
Ties: 1901
Apr 1939–Sep 1940
18-Month
56.90°F
(13.83°C)
56.37°F
(13.54°C)
0.53°F
(0.29°C)
88th Coolest Coolest since: 1937 1917
36th Warmest Warmest since: 1939 2012
Oct 1938–Sep 1940
24-Month
52.55°F
(11.42°C)
52.02°F
(11.12°C)
0.53°F
(0.30°C)
88th Coolest Coolest since: 1938 1913, 1918
35th Warmest Warmest since: 1939 2017
Oct 1937–Sep 1940
36-Month
52.67°F
(11.48°C)
52.00°F
(11.11°C)
0.67°F
(0.37°C)
92nd Coolest Coolest since: 1939 1917
30th Warmest Warmest since: 1936 2018
Oct 1936–Sep 1940
48-Month
52.40°F
(11.33°C)
51.99°F
(11.11°C)
0.41°F
(0.22°C)
83rd Coolest Coolest since: 1939 1918
38th Warmest Warmest since: 1937 2018
Ties: 1933, 1994
Oct 1935–Sep 1940
60-Month
52.29°F
(11.27°C)
51.99°F
(11.11°C)
0.30°F
(0.16°C)
75th Coolest Coolest since: 1933 1920
45th Warmest Warmest since: 1939 2018
Ties: 1954

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/