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


Contiguous U.S.

Minimum Temperature Rankings, September 1917

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1917
1-Month
51.10°F
(10.61°C)
51.90°F
(11.06°C)
-0.80°F
(-0.45°C)
33rd Coolest Coolest since: 1916 1918
95th Warmest Warmest since: 1915 2019
Aug–Sep 1917
2-Month
54.33°F
(12.41°C)
55.48°F
(13.04°C)
-1.15°F
(-0.63°C)
13th Coolest Coolest since: 1912 1974
115th Warmest Warmest since: 1916 2019
Jul–Sep 1917
3-Month
56.62°F
(13.68°C)
57.16°F
(13.98°C)
-0.54°F
(-0.30°C)
25th Coolest Coolest since: 1915 1924
103rd Warmest Warmest since: 1916 1998
Jun–Sep 1917
4-Month
55.75°F
(13.19°C)
56.78°F
(13.77°C)
-1.03°F
(-0.58°C)
11th Coolest Coolest since: 1915 1903
117th Warmest Warmest since: 1916 2021
May–Sep 1917
5-Month
53.21°F
(11.78°C)
54.92°F
(12.73°C)
-1.71°F
(-0.95°C)
3rd Coolest Coolest since: 1907 1907, 1924
125th Warmest Warmest since: 1916 2018
Apr–Sep 1917
6-Month
50.47°F
(10.26°C)
52.19°F
(11.22°C)
-1.72°F
(-0.96°C)
2nd Coolest Coolest since: 1907 1907
126th Warmest Warmest since: 1916 2018
Mar–Sep 1917
7-Month
47.07°F
(8.37°C)
49.02°F
(9.46°C)
-1.95°F
(-1.09°C)
1st Coolest Coolest to Date 1917
127th Warmest Warmest since: 1916 2012
Feb–Sep 1917
8-Month
43.47°F
(6.37°C)
45.75°F
(7.64°C)
-2.28°F
(-1.27°C)
1st Coolest Coolest to Date 1917
127th Warmest Warmest since: 1916 2012
Jan–Sep 1917
9-Month
40.59°F
(4.77°C)
42.86°F
(6.03°C)
-2.27°F
(-1.26°C)
1st Coolest Coolest to Date 1917
127th Warmest Warmest since: 1916 2012
Dec 1916–Sep 1917
10-Month
38.33°F
(3.52°C)
40.84°F
(4.91°C)
-2.51°F
(-1.39°C)
1st Coolest Coolest to Date 1917
126th Warmest Warmest since: 1916 2016
Nov 1916–Sep 1917
11-Month
37.37°F
(2.98°C)
39.91°F
(4.39°C)
-2.54°F
(-1.41°C)
1st Coolest Coolest to Date 1917
126th Warmest Warmest since: 1916 2016
Oct 1916–Sep 1917
12-Month
37.55°F
(3.08°C)
40.05°F
(4.47°C)
-2.50°F
(-1.39°C)
1st Coolest Coolest to Date 1917
126th Warmest Warmest since: 1916 2016
Apr 1916–Sep 1917
18-Month
42.15°F
(5.64°C)
44.10°F
(6.72°C)
-1.95°F
(-1.08°C)
1st Coolest Coolest to Date 1917
126th Warmest Warmest since: 1916 2016
Oct 1915–Sep 1917
24-Month
38.52°F
(3.62°C)
40.03°F
(4.46°C)
-1.51°F
(-0.84°C)
2nd Coolest Coolest to Date 1918
124th Warmest Warmest since: 1916 2017
Oct 1914–Sep 1917
36-Month
38.85°F
(3.81°C)
40.02°F
(4.46°C)
-1.17°F
(-0.65°C)
2nd Coolest Coolest to Date 1918
123rd Warmest Warmest since: 1916 2017, 2018
Oct 1913–Sep 1917
48-Month
39.25°F
(4.03°C)
40.00°F
(4.44°C)
-0.75°F
(-0.41°C)
4th Coolest Coolest to Date 1918
120th Warmest Warmest since: 1916 2018
Oct 1912–Sep 1917
60-Month
39.24°F
(4.02°C)
40.00°F
(4.44°C)
-0.76°F
(-0.42°C)
4th Coolest Coolest to Date 1920
119th Warmest Warmest since: 1916 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 24, 2021 from https://www.ncdc.noaa.gov/cag/