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 May 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, September 1988

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1988
1-Month
51.60°F
(10.89°C)
51.90°F
(11.06°C)
-0.30°F
(-0.17°C)
45th Coolest Coolest since: 1985 1918
83rd Warmest Warmest since: 1987 2019
Aug–Sep 1988
2-Month
56.03°F
(13.35°C)
55.48°F
(13.04°C)
0.55°F
(0.31°C)
79th Coolest Coolest since: 1987 1974
49th Warmest Warmest since: 1983 2019
Jul–Sep 1988
3-Month
57.81°F
(14.34°C)
57.16°F
(13.98°C)
0.65°F
(0.36°C)
90th Coolest Coolest since: 1987 1924
38th Warmest Warmest since: 1983 1998
Ties: 1954
Jun–Sep 1988
4-Month
57.54°F
(14.19°C)
56.78°F
(13.77°C)
0.76°F
(0.42°C)
95th Coolest Coolest since: 1987 1903
33rd Warmest Warmest since: 1986 2021
Ties: 1983
May–Sep 1988
5-Month
55.52°F
(13.07°C)
54.91°F
(12.73°C)
0.61°F
(0.34°C)
85th Coolest Coolest since: 1985 1907, 1924
43rd Warmest Warmest since: 1987 2018
Apr–Sep 1988
6-Month
52.66°F
(11.48°C)
52.20°F
(11.22°C)
0.46°F
(0.26°C)
78th Coolest Coolest since: 1985 1907
50th Warmest Warmest since: 1987 2018
Mar–Sep 1988
7-Month
49.41°F
(9.67°C)
49.03°F
(9.46°C)
0.38°F
(0.21°C)
79th Coolest Coolest since: 1984 1917
49th Warmest Warmest since: 1987 2012
Ties: 1978
Feb–Sep 1988
8-Month
45.95°F
(7.75°C)
45.75°F
(7.64°C)
0.20°F
(0.11°C)
70th Coolest Coolest since: 1985 1917
58th Warmest Warmest since: 1987 2012
Jan–Sep 1988
9-Month
42.78°F
(5.99°C)
42.86°F
(6.03°C)
-0.08°F
(-0.04°C)
56th Coolest Coolest since: 1985 1917
72nd Warmest Warmest since: 1987 2012
Dec 1987–Sep 1988
10-Month
41.02°F
(5.01°C)
40.84°F
(4.91°C)
0.18°F
(0.10°C)
73rd Coolest Coolest since: 1985 1917
54th Warmest Warmest since: 1987 2016
Ties: 1898
Nov 1987–Sep 1988
11-Month
40.30°F
(4.61°C)
39.92°F
(4.40°C)
0.38°F
(0.21°C)
81st Coolest Coolest since: 1985 1917
46th Warmest Warmest since: 1987 2016
Oct 1987–Sep 1988
12-Month
40.19°F
(4.55°C)
40.04°F
(4.47°C)
0.15°F
(0.08°C)
68th Coolest Coolest since: 1985 1917
59th Warmest Warmest since: 1987 2016
Ties: 1898
Apr 1987–Sep 1988
18-Month
44.50°F
(6.94°C)
44.09°F
(6.72°C)
0.41°F
(0.22°C)
82nd Coolest Coolest since: 1985 1917
45th Warmest Warmest since: 1987 2016
Oct 1986–Sep 1988
24-Month
40.83°F
(4.91°C)
40.04°F
(4.47°C)
0.79°F
(0.44°C)
98th Coolest Coolest since: 1986 1918
28th Warmest Warmest since: 1987 2017
Oct 1985–Sep 1988
36-Month
40.91°F
(4.95°C)
40.02°F
(4.46°C)
0.89°F
(0.49°C)
101st Coolest Coolest since: 1987 1918
24th Warmest Warmest to Date 2017, 2018
Oct 1984–Sep 1988
48-Month
40.72°F
(4.84°C)
40.01°F
(4.45°C)
0.71°F
(0.39°C)
94th Coolest Coolest since: 1987 1918
30th Warmest Warmest to Date 2018
Oct 1983–Sep 1988
60-Month
40.56°F
(4.76°C)
40.00°F
(4.44°C)
0.56°F
(0.32°C)
88th Coolest Coolest since: 1986 1920
35th Warmest Warmest since: 1987 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on June 28, 2022 from https://www.ncdc.noaa.gov/cag/