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 1909

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1909
1-Month
51.46°F
(10.81°C)
51.90°F
(11.06°C)
-0.44°F
(-0.25°C)
41st Coolest Coolest since: 1907 1918
87th Warmest Warmest since: 1908 2019
Aug–Sep 1909
2-Month
55.62°F
(13.12°C)
55.48°F
(13.04°C)
0.14°F
(0.08°C)
64th Coolest Coolest since: 1908 1974
64th Warmest Warmest since: 1906 2019
Jul–Sep 1909
3-Month
57.08°F
(13.93°C)
57.16°F
(13.98°C)
-0.08°F
(-0.05°C)
52nd Coolest Coolest since: 1908 1924
76th Warmest Warmest since: 1906 1998
Jun–Sep 1909
4-Month
56.91°F
(13.84°C)
56.78°F
(13.77°C)
0.13°F
(0.07°C)
60th Coolest Coolest since: 1908 1903
68th Warmest Warmest since: 1901 2021
May–Sep 1909
5-Month
54.58°F
(12.54°C)
54.92°F
(12.73°C)
-0.34°F
(-0.19°C)
32nd Coolest Coolest since: 1908 1907, 1924
96th Warmest Warmest since: 1906 2018
Ties: 1979
Apr–Sep 1909
6-Month
51.55°F
(10.86°C)
52.20°F
(11.22°C)
-0.65°F
(-0.36°C)
20th Coolest Coolest since: 1907 1907
108th Warmest Warmest since: 1908 2018
Mar–Sep 1909
7-Month
48.38°F
(9.10°C)
49.02°F
(9.46°C)
-0.64°F
(-0.36°C)
22nd Coolest Coolest since: 1907 1917
106th Warmest Warmest since: 1908 2012
Feb–Sep 1909
8-Month
45.32°F
(7.40°C)
45.75°F
(7.64°C)
-0.43°F
(-0.24°C)
30th Coolest Coolest since: 1907 1917
98th Warmest Warmest since: 1908 2012
Jan–Sep 1909
9-Month
42.76°F
(5.98°C)
42.86°F
(6.03°C)
-0.10°F
(-0.05°C)
54th Coolest Coolest since: 1907 1917
74th Warmest Warmest since: 1908 2012
Ties: 1993
Dec 1908–Sep 1909
10-Month
40.80°F
(4.89°C)
40.84°F
(4.91°C)
-0.04°F
(-0.02°C)
51st Coolest Coolest since: 1907 1917
76th Warmest Warmest since: 1908 2016
Ties: 1977, 1985
Nov 1908–Sep 1909
11-Month
39.88°F
(4.38°C)
39.92°F
(4.40°C)
-0.04°F
(-0.02°C)
55th Coolest Coolest since: 1907 1917
72nd Warmest Warmest since: 1908 2016
Oct 1908–Sep 1909
12-Month
39.81°F
(4.34°C)
40.05°F
(4.47°C)
-0.24°F
(-0.13°C)
45th Coolest Coolest since: 1907 1917
82nd Warmest Warmest since: 1908 2016
Apr 1908–Sep 1909
18-Month
43.79°F
(6.55°C)
44.10°F
(6.72°C)
-0.31°F
(-0.17°C)
33rd Coolest Coolest since: 1908 1917
94th Warmest Warmest since: 1907 2016
Oct 1907–Sep 1909
24-Month
40.00°F
(4.44°C)
40.03°F
(4.46°C)
-0.03°F
(-0.02°C)
56th Coolest Coolest since: 1908 1918
70th Warmest Warmest since: 1901 2017
Oct 1906–Sep 1909
36-Month
39.90°F
(4.39°C)
40.02°F
(4.46°C)
-0.12°F
(-0.07°C)
49th Coolest Coolest since: 1908 1918
76th Warmest Warmest since: 1902 2017, 2018
Oct 1905–Sep 1909
48-Month
39.87°F
(4.37°C)
40.01°F
(4.45°C)
-0.14°F
(-0.08°C)
46th Coolest Coolest since: 1908 1918
78th Warmest Warmest since: 1903 2018
Oct 1904–Sep 1909
60-Month
39.80°F
(4.33°C)
40.00°F
(4.44°C)
-0.20°F
(-0.11°C)
36th Coolest Coolest since: 1908 1920
87th Warmest Warmest since: 1901 2019, 2020
Ties: 1910, 1963

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2022, retrieved on January 23, 2022 from https://www.ncdc.noaa.gov/cag/