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 December 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, September 1930

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1930
1-Month
52.57°F
(11.43°C)
51.90°F
(11.06°C)
0.67°F
(0.37°C)
81st Coolest Coolest since: 1929 1918
47th Warmest Warmest since: 1925 2019
Aug–Sep 1930
2-Month
55.91°F
(13.28°C)
55.48°F
(13.04°C)
0.43°F
(0.24°C)
76th Coolest Coolest since: 1929 1974
52nd Warmest Warmest since: 1925 2019
Jul–Sep 1930
3-Month
57.58°F
(14.21°C)
57.16°F
(13.98°C)
0.42°F
(0.23°C)
75th Coolest Coolest since: 1929 1924
53rd Warmest Warmest since: 1925 1998
Jun–Sep 1930
4-Month
56.86°F
(13.81°C)
56.78°F
(13.77°C)
0.08°F
(0.04°C)
53rd Coolest Coolest since: 1929 1903
75th Warmest Warmest since: 1925 2021
Ties: 1905, 1932, 1947
May–Sep 1930
5-Month
54.88°F
(12.71°C)
54.91°F
(12.73°C)
-0.03°F
(-0.02°C)
48th Coolest Coolest since: 1929 1907, 1924
80th Warmest Warmest since: 1925 2018
Ties: 1953
Apr–Sep 1930
6-Month
52.57°F
(11.43°C)
52.19°F
(11.22°C)
0.38°F
(0.21°C)
73rd Coolest Coolest since: 1929 1907
55th Warmest Warmest since: 1925 2018
Mar–Sep 1930
7-Month
49.15°F
(9.53°C)
49.02°F
(9.46°C)
0.13°F
(0.07°C)
59th Coolest Coolest since: 1929 1917
69th Warmest Warmest since: 1925 2012
Ties: 1940, 1983
Feb–Sep 1930
8-Month
46.58°F
(8.10°C)
45.75°F
(7.64°C)
0.83°F
(0.46°C)
94th Coolest Coolest since: 1929 1917
34th Warmest Warmest since: 1925 2012
Ties: 1931
Jan–Sep 1930
9-Month
42.88°F
(6.04°C)
42.86°F
(6.03°C)
0.02°F
(0.01°C)
60th Coolest Coolest since: 1929 1917
68th Warmest Warmest since: 1927 2012
Ties: 1984
Dec 1929–Sep 1930
10-Month
40.91°F
(4.95°C)
40.83°F
(4.91°C)
0.08°F
(0.04°C)
65th Coolest Coolest since: 1929 1917
62nd Warmest Warmest since: 1927 2016
Ties: 1996
Nov 1929–Sep 1930
11-Month
39.70°F
(4.28°C)
39.92°F
(4.40°C)
-0.22°F
(-0.12°C)
41st Coolest Coolest since: 1929 1917
86th Warmest Warmest since: 1927 2016
Ties: 1952
Oct 1929–Sep 1930
12-Month
39.84°F
(4.36°C)
40.04°F
(4.47°C)
-0.20°F
(-0.11°C)
47th Coolest Coolest since: 1929 1917
80th Warmest Warmest since: 1927 2016
Apr 1929–Sep 1930
18-Month
43.76°F
(6.53°C)
44.10°F
(6.72°C)
-0.34°F
(-0.19°C)
31st Coolest Coolest since: 1929 1917
96th Warmest Warmest since: 1927 2016
Ties: 1952
Oct 1928–Sep 1930
24-Month
39.49°F
(4.16°C)
40.03°F
(4.46°C)
-0.54°F
(-0.30°C)
16th Coolest Coolest since: 1929 1918
110th Warmest Warmest since: 1928 2017
Ties: 1971
Oct 1927–Sep 1930
36-Month
39.55°F
(4.19°C)
40.02°F
(4.46°C)
-0.47°F
(-0.27°C)
15th Coolest Coolest since: 1920 1918
110th Warmest Warmest since: 1929 2017, 2018
Ties: 1952
Oct 1926–Sep 1930
48-Month
39.77°F
(4.32°C)
40.01°F
(4.45°C)
-0.24°F
(-0.13°C)
36th Coolest Coolest since: 1929 1918
88th Warmest Warmest since: 1928 2018
Ties: 1964
Oct 1925–Sep 1930
60-Month
39.76°F
(4.31°C)
40.00°F
(4.44°C)
-0.24°F
(-0.13°C)
33rd Coolest Coolest since: 1926 1920
90th Warmest Warmest since: 1929 2019, 2020
Ties: 1902, 1926

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2022, retrieved on January 20, 2022 from https://www.ncdc.noaa.gov/cag/