National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Average Temperature Rankings, September 1915

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1915
1-Month 		64.42°F
(18.01°C)		 64.86°F
(18.26°C)		 -0.44°F
(-0.25°C)		 43rd Coolest
Coolest since:
 1965
86th Warmest
Warmest since:
 1998
Aug–Sep 1915
2-Month 		67.29°F
(19.61°C)		 68.48°F
(20.27°C)		 -1.19°F
(-0.66°C)		 14th Coolest
Coolest since:
 1974
115th Warmest
Warmest since:
 1998
Jul–Sep 1915
3-Month 		68.53°F
(20.29°C)		 70.19°F
(21.22°C)		 -1.66°F
(-0.93°C)		 4th Coolest
Coolest since:
 1950
125th Warmest
Warmest since:
 2022
Jun–Sep 1915
4-Month 		67.92°F
(19.96°C)		 69.77°F
(20.98°C)		 -1.85°F
(-1.02°C)		 2nd Coolest
Coolest since:
 1903
127th Warmest
Warmest since:
 2021, 2022
May–Sep 1915
5-Month 		65.97°F
(18.87°C)		 67.85°F
(19.92°C)		 -1.88°F
(-1.05°C)		 2nd Coolest
Coolest since:
 1907
127th Warmest
Warmest since:
 2018
Apr–Sep 1915
6-Month 		64.07°F
(17.82°C)		 65.05°F
(18.36°C)		 -0.98°F
(-0.54°C)		 12th Coolest
Coolest since:
 1907
117th Warmest
Warmest since:
 2012
Mar–Sep 1915
7-Month 		60.19°F
(15.66°C)		 61.69°F
(16.49°C)		 -1.50°F
(-0.83°C)		 6th Coolest
Coolest since:
 1912
123rd Warmest
Warmest since:
 2012
Feb–Sep 1915
8-Month 		57.16°F
(13.98°C)		 58.21°F
(14.56°C)		 -1.05°F
(-0.58°C)		 13th Coolest
Coolest since:
 1917
116th Warmest
Warmest since:
 2012
Jan–Sep 1915
9-Month 		53.97°F
(12.21°C)		 55.08°F
(12.82°C)		 -1.11°F
(-0.61°C)		 13th Coolest
Coolest since:
 1912
116th Warmest
Warmest since:
 2012
Dec 1914–Sep 1915
10-Month 		51.25°F
(10.69°C)		 52.85°F
(11.58°C)		 -1.60°F
(-0.89°C)		 5th Coolest
Coolest since:
 1917
123rd Warmest
Warmest since:
 2012
Nov 1914–Sep 1915
11-Month 		50.54°F
(10.30°C)		 51.84°F
(11.02°C)		 -1.30°F
(-0.72°C)		 7th Coolest
Coolest since:
 1912
121st Warmest
Warmest since:
 2012
Oct 1914–Sep 1915
12-Month 		50.93°F
(10.52°C)		 52.03°F
(11.13°C)		 -1.10°F
(-0.61°C)		 7th Coolest
Coolest since:
 1912
121st Warmest
Warmest since:
 2012
Apr 1914–Sep 1915
18-Month 		55.72°F
(13.18°C)		 56.37°F
(13.54°C)		 -0.65°F
(-0.36°C)		 19th Coolest
Coolest since:
 1917
109th Warmest
Warmest since:
 2012
Oct 1913–Sep 1915
24-Month 		51.58°F
(10.88°C)		 52.02°F
(11.12°C)		 -0.44°F
(-0.24°C)		 26th Coolest
Coolest since:
 1913, 1918
101st Warmest
Warmest since:
 2017
Oct 1912–Sep 1915
36-Month 		51.52°F
(10.84°C)		 52.00°F
(11.11°C)		 -0.48°F
(-0.27°C)		 17th Coolest
Coolest since:
 1917
109th Warmest
Warmest since:
 2018
Oct 1911–Sep 1915
48-Month 		51.07°F
(10.59°C)		 51.99°F
(11.11°C)		 -0.92°F
(-0.52°C)		 3rd Coolest
Coolest to Date
 1918
122nd Warmest
Warmest since:
 2018
Oct 1910–Sep 1915
60-Month 		51.37°F
(10.76°C)		 51.98°F
(11.10°C)		 -0.61°F
(-0.34°C)		 8th Coolest
Coolest since:
 1920
116th Warmest
Warmest since:
 2020
Ties: 1905

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