National Rankings

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Contiguous U.S.

Maximum Temperature Rankings, September 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1940 1-Month	78.15°F (25.64°C)	77.81°F (25.45°C)	0.34°F (0.19°C)	64th Coolest	Coolest since: 1934	1965
September 1940 1-Month	78.15°F (25.64°C)	77.81°F (25.45°C)	0.34°F (0.19°C)	65th Warmest	Warmest since: 1939	1998
Aug–Sep 1940 2-Month	81.70°F (27.61°C)	81.48°F (27.49°C)	0.22°F (0.12°C)	69th Coolest	Coolest since: 1929	1965
	81.70°F (27.61°C)	81.48°F (27.49°C)	0.22°F (0.12°C)	60th Warmest	Warmest since: 1939	1998
	Ties: 1909
Jul–Sep 1940 3-Month	83.66°F (28.70°C)	83.21°F (28.45°C)	0.45°F (0.25°C)	76th Coolest	Coolest since: 1929	1912
Jul–Sep 1940 3-Month	83.66°F (28.70°C)	83.21°F (28.45°C)	0.45°F (0.25°C)	53rd Warmest	Warmest since: 1939	1936
Jun–Sep 1940 4-Month	83.49°F (28.61°C)	82.74°F (28.19°C)	0.75°F (0.42°C)	86th Coolest	Coolest since: 1935	1915
Jun–Sep 1940 4-Month	83.49°F (28.61°C)	82.74°F (28.19°C)	0.75°F (0.42°C)	43rd Warmest	Warmest since: 1939	1936
May–Sep 1940 5-Month	81.70°F (27.61°C)	80.78°F (27.10°C)	0.92°F (0.51°C)	101st Coolest	Coolest since: 1938	1915
May–Sep 1940 5-Month	81.70°F (27.61°C)	80.78°F (27.10°C)	0.92°F (0.51°C)	28th Warmest	Warmest since: 1939	1936
Apr–Sep 1940 6-Month	78.45°F (25.81°C)	77.90°F (25.50°C)	0.55°F (0.31°C)	79th Coolest	Coolest since: 1935	1907
Apr–Sep 1940 6-Month	78.45°F (25.81°C)	77.90°F (25.50°C)	0.55°F (0.31°C)	50th Warmest	Warmest since: 1939	2012
Mar–Sep 1940 7-Month	74.80°F (23.78°C)	74.34°F (23.52°C)	0.46°F (0.26°C)	76th Coolest	Coolest since: 1935	1912
Mar–Sep 1940 7-Month	74.80°F (23.78°C)	74.34°F (23.52°C)	0.46°F (0.26°C)	53rd Warmest	Warmest since: 1939	2012
Feb–Sep 1940 8-Month	70.88°F (21.60°C)	70.66°F (21.48°C)	0.22°F (0.12°C)	70th Coolest	Coolest since: 1937	1912
Feb–Sep 1940 8-Month	70.88°F (21.60°C)	70.66°F (21.48°C)	0.22°F (0.12°C)	59th Warmest	Warmest since: 1939	2012
Jan–Sep 1940 9-Month	66.73°F (19.29°C)	67.30°F (19.61°C)	-0.57°F (-0.32°C)	33rd Coolest	Coolest since: 1929	1912
Jan–Sep 1940 9-Month	66.73°F (19.29°C)	67.30°F (19.61°C)	-0.57°F (-0.32°C)	96th Warmest	Warmest since: 1939	2012
Dec 1939–Sep 1940 10-Month	64.94°F (18.30°C)	64.85°F (18.25°C)	0.09°F (0.05°C)	60th Coolest	Coolest since: 1937	1912
Dec 1939–Sep 1940 10-Month	64.94°F (18.30°C)	64.85°F (18.25°C)	0.09°F (0.05°C)	68th Warmest	Warmest since: 1939	2012
Nov 1939–Sep 1940 11-Month	64.03°F (17.79°C)	63.75°F (17.64°C)	0.28°F (0.15°C)	70th Coolest	Coolest since: 1937	1912
Nov 1939–Sep 1940 11-Month	64.03°F (17.79°C)	63.75°F (17.64°C)	0.28°F (0.15°C)	58th Warmest	Warmest since: 1939	2012
Oct 1939–Sep 1940 12-Month	64.36°F (17.98°C)	64.01°F (17.78°C)	0.35°F (0.20°C)	76th Coolest	Coolest since: 1937	1912
	64.36°F (17.98°C)	64.01°F (17.78°C)	0.35°F (0.20°C)	52nd Warmest	Warmest since: 1939	2012
	Ties: 1995
Apr 1939–Sep 1940 18-Month	69.50°F (20.83°C)	68.63°F (20.35°C)	0.87°F (0.48°C)	102nd Coolest	Coolest since: 1938	1912
Apr 1939–Sep 1940 18-Month	69.50°F (20.83°C)	68.63°F (20.35°C)	0.87°F (0.48°C)	26th Warmest	Warmest since: 1939	2012
Oct 1938–Sep 1940 24-Month	64.91°F (18.28°C)	63.99°F (17.77°C)	0.92°F (0.51°C)	103rd Coolest	Coolest since: 1938	1913
Oct 1938–Sep 1940 24-Month	64.91°F (18.28°C)	63.99°F (17.77°C)	0.92°F (0.51°C)	24th Warmest	Warmest since: 1939	2017
Oct 1937–Sep 1940 36-Month	64.83°F (18.24°C)	63.98°F (17.77°C)	0.85°F (0.47°C)	96th Coolest	Coolest since: 1939	1917
Oct 1937–Sep 1940 36-Month	64.83°F (18.24°C)	63.98°F (17.77°C)	0.85°F (0.47°C)	30th Warmest	Warmest since: 1936	2018
Oct 1936–Sep 1940 48-Month	64.54°F (18.08°C)	63.97°F (17.76°C)	0.57°F (0.32°C)	88th Coolest	Coolest since: 1939	1915
	64.54°F (18.08°C)	63.97°F (17.76°C)	0.57°F (0.32°C)	37th Warmest	Warmest since: 1937	2018
	Ties: 1933, 1999
Oct 1935–Sep 1940 60-Month	64.46°F (18.03°C)	63.97°F (17.76°C)	0.49°F (0.27°C)	83rd Coolest	Coolest since: 1933	1907
Oct 1935–Sep 1940 60-Month	64.46°F (18.03°C)	63.97°F (17.76°C)	0.49°F (0.27°C)	41st Warmest	Warmest since: 1939	2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings