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 1921

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1921
1-Month
53.71°F
(12.06°C)
51.90°F
(11.06°C)
1.81°F
(1.00°C)
108th Coolest Coolest since: 1920 1918
20th Warmest Warmest since: 1911 2019
Ties: 1906
Aug–Sep 1921
2-Month
56.36°F
(13.53°C)
55.47°F
(13.04°C)
0.89°F
(0.49°C)
91st Coolest Coolest since: 1920 1974
37th Warmest Warmest since: 1906 2019
Ties: 1955
Jul–Sep 1921
3-Month
58.15°F
(14.53°C)
57.16°F
(13.98°C)
0.99°F
(0.55°C)
100th Coolest Coolest since: 1920 1924
28th Warmest Warmest to Date 1998
Jun–Sep 1921
4-Month
58.04°F
(14.47°C)
56.78°F
(13.77°C)
1.26°F
(0.70°C)
108th Coolest Coolest since: 1920 1903
20th Warmest Warmest to Date 2021
May–Sep 1921
5-Month
55.97°F
(13.32°C)
54.92°F
(12.73°C)
1.05°F
(0.59°C)
102nd Coolest Coolest since: 1920 1907, 1924
26th Warmest Warmest to Date 2018
Apr–Sep 1921
6-Month
53.02°F
(11.68°C)
52.20°F
(11.22°C)
0.82°F
(0.46°C)
97th Coolest Coolest since: 1920 1907
31st Warmest Warmest since: 1900 2018
Mar–Sep 1921
7-Month
50.40°F
(10.22°C)
49.02°F
(9.46°C)
1.38°F
(0.76°C)
110th Coolest Coolest since: 1920 1917
18th Warmest Warmest to Date 2012
Ties: 1986
Feb–Sep 1921
8-Month
47.29°F
(8.49°C)
45.75°F
(7.64°C)
1.54°F
(0.85°C)
115th Coolest Coolest since: 1920 1917
13th Warmest Warmest to Date 2012
Ties: 2005
Jan–Sep 1921
9-Month
44.73°F
(7.07°C)
42.86°F
(6.03°C)
1.87°F
(1.04°C)
116th Coolest Coolest since: 1920 1917
12th Warmest Warmest to Date 2012
Dec 1920–Sep 1921
10-Month
42.60°F
(5.89°C)
40.83°F
(4.91°C)
1.77°F
(0.98°C)
114th Coolest Coolest since: 1920 1917
13th Warmest Warmest to Date 2016
Nov 1920–Sep 1921
11-Month
41.42°F
(5.23°C)
39.91°F
(4.39°C)
1.51°F
(0.84°C)
112th Coolest Coolest since: 1920 1917
15th Warmest Warmest to Date 2016
Oct 1920–Sep 1921
12-Month
41.48°F
(5.27°C)
40.04°F
(4.47°C)
1.44°F
(0.80°C)
112th Coolest Coolest since: 1920 1917
15th Warmest Warmest to Date 2016
Ties: 2019
Apr 1920–Sep 1921
18-Month
44.71°F
(7.06°C)
44.09°F
(6.72°C)
0.62°F
(0.34°C)
92nd Coolest Coolest since: 1920 1917
35th Warmest Warmest to Date 2016
Oct 1919–Sep 1921
24-Month
40.20°F
(4.56°C)
40.04°F
(4.47°C)
0.16°F
(0.09°C)
71st Coolest Coolest since: 1920 1918
55th Warmest Warmest since: 1901 2017
Ties: 1936
Oct 1918–Sep 1921
36-Month
40.37°F
(4.65°C)
40.02°F
(4.46°C)
0.35°F
(0.19°C)
75th Coolest Coolest since: 1920 1918
50th Warmest Warmest to Date 2017, 2018
Ties: 1982
Oct 1917–Sep 1921
48-Month
39.94°F
(4.41°C)
40.01°F
(4.45°C)
-0.07°F
(-0.04°C)
48th Coolest Coolest since: 1920 1918
76th Warmest Warmest since: 1911 2018
Ties: 1946, 1982
Oct 1916–Sep 1921
60-Month
39.46°F
(4.14°C)
40.00°F
(4.44°C)
-0.54°F
(-0.30°C)
9th Coolest Coolest since: 1920 1920
114th Warmest Warmest since: 1915 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2022, retrieved on January 22, 2022 from https://www.ncdc.noaa.gov/cag/