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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, September 1930

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1930
1-Month
65.75°F
(18.75°C)
64.86°F
(18.26°C)
0.89°F
(0.49°C)
84th Coolest Coolest since: 1929 1965
42nd Warmest Warmest since: 1925 1998
Aug–Sep 1930
2-Month
69.32°F
(20.73°C)
68.47°F
(20.26°C)
0.85°F
(0.47°C)
93rd Coolest Coolest since: 1929 1974
33rd Warmest Warmest since: 1922 1998
Ties: 1954
Jul–Sep 1930
3-Month
71.23°F
(21.79°C)
70.19°F
(21.22°C)
1.04°F
(0.57°C)
99th Coolest Coolest since: 1929 1950
27th Warmest Warmest to Date 1998
Jun–Sep 1930
4-Month
70.53°F
(21.41°C)
69.77°F
(20.98°C)
0.76°F
(0.43°C)
91st Coolest Coolest since: 1929 1903
35th Warmest Warmest since: 1922 1936
May–Sep 1930
5-Month
68.27°F
(20.15°C)
67.86°F
(19.92°C)
0.41°F
(0.23°C)
76th Coolest Coolest since: 1929 1907
50th Warmest Warmest since: 1925 2018
Apr–Sep 1930
6-Month
65.96°F
(18.87°C)
65.06°F
(18.37°C)
0.90°F
(0.50°C)
99th Coolest Coolest since: 1929 1907
27th Warmest Warmest since: 1925 2012
Ties: 1937
Mar–Sep 1930
7-Month
62.31°F
(16.84°C)
61.69°F
(16.49°C)
0.62°F
(0.35°C)
89th Coolest Coolest since: 1929 1912
37th Warmest Warmest since: 1925 2012
Feb–Sep 1930
8-Month
59.53°F
(15.29°C)
58.20°F
(14.56°C)
1.33°F
(0.73°C)
108th Coolest Coolest since: 1929 1917
18th Warmest Warmest since: 1925 2012
Jan–Sep 1930
9-Month
55.53°F
(13.07°C)
55.08°F
(12.82°C)
0.45°F
(0.25°C)
81st Coolest Coolest since: 1929 1912
45th Warmest Warmest since: 1925 2012
Dec 1929–Sep 1930
10-Month
53.38°F
(11.88°C)
52.85°F
(11.58°C)
0.53°F
(0.30°C)
84th Coolest Coolest since: 1929 1917
41st Warmest Warmest since: 1925 2012
Nov 1929–Sep 1930
11-Month
52.01°F
(11.12°C)
51.83°F
(11.02°C)
0.18°F
(0.10°C)
68th Coolest Coolest since: 1929 1912
57th Warmest Warmest since: 1925 2012
Ties: 1957
Oct 1929–Sep 1930
12-Month
52.17°F
(11.21°C)
52.03°F
(11.13°C)
0.14°F
(0.08°C)
64th Coolest Coolest since: 1929 1912
61st Warmest Warmest since: 1925 2012
Ties: 1972
Apr 1929–Sep 1930
18-Month
56.29°F
(13.49°C)
56.37°F
(13.54°C)
-0.08°F
(-0.05°C)
52nd Coolest Coolest since: 1929 1917
73rd Warmest Warmest since: 1926 2012
Oct 1928–Sep 1930
24-Month
51.65°F
(10.92°C)
52.02°F
(11.12°C)
-0.37°F
(-0.20°C)
28th Coolest Coolest since: 1929 1913, 1918
96th Warmest Warmest since: 1928 2017
Oct 1927–Sep 1930
36-Month
51.71°F
(10.95°C)
52.00°F
(11.11°C)
-0.29°F
(-0.16°C)
33rd Coolest Coolest since: 1929 1917
90th Warmest Warmest since: 1928 2018
Oct 1926–Sep 1930
48-Month
51.78°F
(10.99°C)
51.99°F
(11.11°C)
-0.21°F
(-0.12°C)
37th Coolest Coolest since: 1929 1918
85th Warmest Warmest since: 1928 2018
Oct 1925–Sep 1930
60-Month
51.73°F
(10.96°C)
51.98°F
(11.10°C)
-0.25°F
(-0.14°C)
29th Coolest Coolest since: 1921 1920
92nd Warmest Warmest since: 1929 2019

Citing This Page

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