National Rankings

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Contiguous U.S.

Average Temperature Rankings, September 1909

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1909 1-Month	64.40°F (18.00°C)	64.86°F (18.26°C)	-0.46°F (-0.26°C)	41st Coolest	Coolest since: 1907	1965
	64.40°F (18.00°C)	64.86°F (18.26°C)	-0.46°F (-0.26°C)	88th Warmest	Warmest since: 1908	1998
	Ties: 1973
Aug–Sep 1909 2-Month	68.67°F (20.37°C)	68.48°F (20.27°C)	0.19°F (0.10°C)	63rd Coolest	Coolest since: 1908	1974
Aug–Sep 1909 2-Month	68.67°F (20.37°C)	68.48°F (20.27°C)	0.19°F (0.10°C)	66th Warmest	Warmest since: 1906	1998
Jul–Sep 1909 3-Month	69.99°F (21.11°C)	70.19°F (21.22°C)	-0.20°F (-0.11°C)	47th Coolest	Coolest since: 1908	1950
Jul–Sep 1909 3-Month	69.99°F (21.11°C)	70.19°F (21.22°C)	-0.20°F (-0.11°C)	82nd Warmest	Warmest since: 1906	2022
Jun–Sep 1909 4-Month	69.73°F (20.96°C)	69.77°F (20.98°C)	-0.04°F (-0.02°C)	52nd Coolest	Coolest since: 1908	1903
Jun–Sep 1909 4-Month	69.73°F (20.96°C)	69.77°F (20.98°C)	-0.04°F (-0.02°C)	77th Warmest	Warmest since: 1901	2021, 2022
May–Sep 1909 5-Month	67.41°F (19.67°C)	67.85°F (19.92°C)	-0.44°F (-0.25°C)	30th Coolest	Coolest since: 1908	1907
	67.41°F (19.67°C)	67.85°F (19.92°C)	-0.44°F (-0.25°C)	99th Warmest	Warmest since: 1906	2018
	Ties: 1972
Apr–Sep 1909 6-Month	64.33°F (17.96°C)	65.05°F (18.36°C)	-0.72°F (-0.40°C)	20th Coolest	Coolest since: 1907	1907
Apr–Sep 1909 6-Month	64.33°F (17.96°C)	65.05°F (18.36°C)	-0.72°F (-0.40°C)	109th Warmest	Warmest since: 1908	2012
Mar–Sep 1909 7-Month	60.91°F (16.06°C)	61.69°F (16.49°C)	-0.78°F (-0.43°C)	16th Coolest	Coolest since: 1907	1912
Mar–Sep 1909 7-Month	60.91°F (16.06°C)	61.69°F (16.49°C)	-0.78°F (-0.43°C)	113th Warmest	Warmest since: 1908	2012
Feb–Sep 1909 8-Month	57.67°F (14.26°C)	58.21°F (14.56°C)	-0.54°F (-0.30°C)	31st Coolest	Coolest since: 1907	1917
	57.67°F (14.26°C)	58.21°F (14.56°C)	-0.54°F (-0.30°C)	98th Warmest	Warmest since: 1908	2012
	Ties: 1947
Jan–Sep 1909 9-Month	54.85°F (12.69°C)	55.08°F (12.82°C)	-0.23°F (-0.13°C)	46th Coolest	Coolest since: 1907	1912
Jan–Sep 1909 9-Month	54.85°F (12.69°C)	55.08°F (12.82°C)	-0.23°F (-0.13°C)	83rd Warmest	Warmest since: 1908	2012
Dec 1908–Sep 1909 10-Month	52.70°F (11.50°C)	52.85°F (11.58°C)	-0.15°F (-0.08°C)	43rd Coolest	Coolest since: 1907	1917
Dec 1908–Sep 1909 10-Month	52.70°F (11.50°C)	52.85°F (11.58°C)	-0.15°F (-0.08°C)	85th Warmest	Warmest since: 1908	2012
Nov 1908–Sep 1909 11-Month	51.77°F (10.98°C)	51.84°F (11.02°C)	-0.07°F (-0.04°C)	47th Coolest	Coolest since: 1907	1912
	51.77°F (10.98°C)	51.84°F (11.02°C)	-0.07°F (-0.04°C)	81st Warmest	Warmest since: 1908	2012
	Ties: 1967
Oct 1908–Sep 1909 12-Month	51.77°F (10.98°C)	52.03°F (11.13°C)	-0.26°F (-0.15°C)	40th Coolest	Coolest since: 1907	1912
	51.77°F (10.98°C)	52.03°F (11.13°C)	-0.26°F (-0.15°C)	88th Warmest	Warmest since: 1908	2012
	Ties: 1951
Apr 1908–Sep 1909 18-Month	56.07°F (13.37°C)	56.37°F (13.54°C)	-0.30°F (-0.17°C)	31st Coolest	Coolest since: 1908	1917
Apr 1908–Sep 1909 18-Month	56.07°F (13.37°C)	56.37°F (13.54°C)	-0.30°F (-0.17°C)	97th Warmest	Warmest since: 1902	2012
Oct 1907–Sep 1909 24-Month	52.00°F (11.11°C)	52.02°F (11.12°C)	-0.02°F (-0.01°C)	60th Coolest	Coolest since: 1908	1913, 1918
Oct 1907–Sep 1909 24-Month	52.00°F (11.11°C)	52.02°F (11.12°C)	-0.02°F (-0.01°C)	67th Warmest	Warmest since: 1901	2017
Oct 1906–Sep 1909 36-Month	51.79°F (10.99°C)	52.00°F (11.11°C)	-0.21°F (-0.12°C)	39th Coolest	Coolest since: 1908	1917
	51.79°F (10.99°C)	52.00°F (11.11°C)	-0.21°F (-0.12°C)	87th Warmest	Warmest since: 1902	2018
	Ties: 1928, 1965, 1968
Oct 1905–Sep 1909 48-Month	51.71°F (10.95°C)	51.99°F (11.11°C)	-0.28°F (-0.16°C)	28th Coolest	Coolest since: 1908	1918
	51.71°F (10.95°C)	51.99°F (11.11°C)	-0.28°F (-0.16°C)	97th Warmest	Warmest since: 1903	2018
	Ties: 1969
Oct 1904–Sep 1909 60-Month	51.64°F (10.91°C)	51.98°F (11.10°C)	-0.34°F (-0.19°C)	22nd Coolest	Coolest since: 1908	1920
Oct 1904–Sep 1909 60-Month	51.64°F (10.91°C)	51.98°F (11.10°C)	-0.34°F (-0.19°C)	102nd Warmest	Warmest since: 1902	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings