Climate at a Glance | Global Rankings | National Centers for Environmental Information (NCEI)

Global Rankings

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Please note, global and hemispheric temperature anomalies are with respect to the 1901-2000 average. Coordinate temperature anomalies are with respect to the 1991-2020 average. All other regional temperature anomalies are with respect to the 1910-2000 average. Monthly precipitation data are not available until a few days after temperature data are released.

Global Land and Ocean

September 1911 Average Temperature Anomalies Rankings

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Record Warmest
Period	Anomaly (1901-2000)	Rank (1850-2025)	Coolest/Warmest Since	Record
September 1911 1-Month	-0.36°C (-0.65°F)	6th Coolest	Coolest since: 1908	1912
September 1911 1-Month	-0.36°C (-0.65°F)	170th Warmest	Warmest since: 1910	2023
Aug–Sep 1911 2-Month	-0.38°C (-0.68°F)	5th Coolest	Coolest since: 1908	1912
Aug–Sep 1911 2-Month	-0.38°C (-0.68°F)	171st Warmest	Warmest since: 1910	2023
Jul–Sep 1911 3-Month	-0.39°C (-0.70°F)	5th Coolest	Coolest since: 1908	1904
Jul–Sep 1911 3-Month	-0.39°C (-0.70°F)	171st Warmest	Warmest since: 1910	2023
Jun–Sep 1911 4-Month	-0.40°C (-0.72°F)	2nd Coolest	Coolest since: 1904	1904
Jun–Sep 1911 4-Month	-0.40°C (-0.72°F)	174th Warmest	Warmest since: 1910	2023, 2024
May–Sep 1911 5-Month	-0.42°C (-0.76°F)	2nd Coolest	Coolest since: 1904	1904
May–Sep 1911 5-Month	-0.42°C (-0.76°F)	174th Warmest	Warmest since: 1910	2024
Apr–Sep 1911 6-Month	-0.41°C (-0.74°F)	3rd Coolest	Coolest since: 1909	1904
	-0.41°C (-0.74°F)	173rd Warmest	Warmest since: 1910	2024
	Ties: 1908
Mar–Sep 1911 7-Month	-0.44°C (-0.79°F)	2nd Coolest	Coolest since: 1904	1904
Mar–Sep 1911 7-Month	-0.44°C (-0.79°F)	174th Warmest	Warmest since: 1910	2024
Feb–Sep 1911 8-Month	-0.46°C (-0.83°F)	1st Coolest	Coolest since: 1904	1904, 1911
	-0.46°C (-0.83°F)	175th Warmest	Warmest since: 1910	2024
	Ties: 1904
Jan–Sep 1911 9-Month	-0.47°C (-0.85°F)	2nd Coolest	Coolest since: 1904	1904
Jan–Sep 1911 9-Month	-0.47°C (-0.85°F)	174th Warmest	Warmest since: 1910	2024
Dec 1910–Sep 1911 10-Month	-0.48°C (-0.86°F)	1st Coolest	Coolest since: 1904	1904, 1911
	-0.48°C (-0.86°F)	174th Warmest	Warmest since: 1910	2024
	Ties: 1904
Nov 1910–Sep 1911 11-Month	-0.47°C (-0.85°F)	1st Coolest	Coolest since: 1904	1904, 1911
	-0.47°C (-0.85°F)	174th Warmest	Warmest since: 1910	2024
	Ties: 1904
Oct 1910–Sep 1911 12-Month	-0.46°C (-0.83°F)	2nd Coolest	Coolest since: 1904	1904
Oct 1910–Sep 1911 12-Month	-0.46°C (-0.83°F)	173rd Warmest	Warmest since: 1910	2024
Apr 1910–Sep 1911 18-Month	-0.42°C (-0.76°F)	3rd Coolest	Coolest since: 1909	1904, 1909
Apr 1910–Sep 1911 18-Month	-0.42°C (-0.76°F)	172nd Warmest	Warmest since: 1910	2024
Oct 1909–Sep 1911 24-Month	-0.40°C (-0.72°F)	3rd Coolest	Coolest since: 1910	1909
	-0.40°C (-0.72°F)	171st Warmest	Warmest since: 1910	2024
	Ties: 1910
Oct 1908–Sep 1911 36-Month	-0.42°C (-0.76°F)	1st Coolest	Coolest to Date	1911
Oct 1908–Sep 1911 36-Month	-0.42°C (-0.76°F)	172nd Warmest	Warmest since: 1910	2024
Oct 1907–Sep 1911 48-Month	-0.41°C (-0.74°F)	1st Coolest	Coolest to Date	1911
Oct 1907–Sep 1911 48-Month	-0.41°C (-0.74°F)	171st Warmest	Warmest since: 1910	2024
Oct 1906–Sep 1911 60-Month	-0.39°C (-0.70°F)	1st Coolest	Coolest to Date	1911, 1912
Oct 1906–Sep 1911 60-Month	-0.39°C (-0.70°F)	170th Warmest	Warmest since: 1910	2024

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Global Rankings, published March 2025, retrieved on March 24, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/global/rankings

Climate at a Glance Global Rankings

Global Rankings

Global Land and Ocean

September 1911 Average Temperature Anomalies Rankings

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