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


Contiguous U.S.

Maximum Temperature Rankings, September 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1900
1-Month
77.00°F
(25.00°C)
77.81°F
(25.45°C)
-0.81°F
(-0.45°C)
32nd Coolest Coolest since: 1896 1965
96th Warmest Warmest since: 1899 1998
Aug–Sep 1900
2-Month
81.42°F
(27.46°C)
81.47°F
(27.48°C)
-0.05°F
(-0.02°C)
52nd Coolest Coolest since: 1896 1965
76th Warmest Warmest since: 1899 1998
Jul–Sep 1900
3-Month
83.00°F
(28.33°C)
83.21°F
(28.45°C)
-0.21°F
(-0.12°C)
50th Coolest Coolest since: 1896 1912
78th Warmest Warmest since: 1899 1936
Jun–Sep 1900
4-Month
83.13°F
(28.41°C)
82.74°F
(28.19°C)
0.39°F
(0.22°C)
73rd Coolest Coolest since: 1899 1915
55th Warmest Warmest to Date 1936
May–Sep 1900
5-Month
81.48°F
(27.49°C)
80.78°F
(27.10°C)
0.70°F
(0.39°C)
88th Coolest Coolest since: 1899 1915
40th Warmest Warmest to Date 1936
Apr–Sep 1900
6-Month
78.46°F
(25.81°C)
77.90°F
(25.50°C)
0.56°F
(0.31°C)
81st Coolest Coolest since: 1899 1907
47th Warmest Warmest to Date 2012
Ties: 1959
Mar–Sep 1900
7-Month
74.83°F
(23.79°C)
74.35°F
(23.53°C)
0.48°F
(0.26°C)
77th Coolest Coolest since: 1899 1912
51st Warmest Warmest to Date 2012
Feb–Sep 1900
8-Month
70.74°F
(21.52°C)
70.65°F
(21.47°C)
0.09°F
(0.05°C)
63rd Coolest Coolest since: 1899 1912
65th Warmest Warmest since: 1898 2012
Jan–Sep 1900
9-Month
67.80°F
(19.89°C)
67.30°F
(19.61°C)
0.50°F
(0.28°C)
81st Coolest Coolest since: 1899 1912
47th Warmest Warmest to Date 2012
Dec 1899–Sep 1900
10-Month
65.17°F
(18.43°C)
64.85°F
(18.25°C)
0.32°F
(0.18°C)
73rd Coolest Coolest since: 1899 1912
54th Warmest Warmest to Date 2012
Ties: 1955
Nov 1899–Sep 1900
11-Month
64.33°F
(17.96°C)
63.76°F
(17.64°C)
0.57°F
(0.32°C)
89th Coolest Coolest since: 1899 1912
38th Warmest Warmest to Date 2012
Oct 1899–Sep 1900
12-Month
64.46°F
(18.03°C)
64.01°F
(17.78°C)
0.45°F
(0.25°C)
80th Coolest Coolest since: 1899 1912
47th Warmest Warmest to Date 2012
Ties: 1910
Apr 1899–Sep 1900
18-Month
68.90°F
(20.50°C)
68.63°F
(20.35°C)
0.27°F
(0.15°C)
73rd Coolest Coolest since: 1899 1912
54th Warmest Warmest to Date 2012
Ties: 1944
Oct 1898–Sep 1900
24-Month
63.22°F
(17.34°C)
64.00°F
(17.78°C)
-0.78°F
(-0.44°C)
15th Coolest Coolest since: 1899 1913
111th Warmest Warmest since: 1898 2017
Oct 1897–Sep 1900
36-Month
63.49°F
(17.49°C)
63.98°F
(17.77°C)
-0.49°F
(-0.28°C)
25th Coolest Coolest since: 1899 1917
100th Warmest Warmest since: 1898 2018
Oct 1896–Sep 1900
48-Month
63.42°F
(17.46°C)
63.97°F
(17.76°C)
-0.55°F
(-0.30°C)
15th Coolest Coolest since: 1899 1915
109th Warmest Warmest to Date 2018
Oct 1895–Sep 1900
60-Month
63.46°F
(17.48°C)
63.97°F
(17.76°C)
-0.51°F
(-0.28°C)
14th Coolest Coolest to Date 1907
109th Warmest Warmest to Date 2016
Ties: 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 2, 2021 from https://www.ncdc.noaa.gov/cag/