Climate: 2d-warmest September ever for Planet Earth

Northern hemisphere shows marked autumn warmth

NASA’s monthly GIS mapping shows that most of the world saw above average temperatures during Sept. 2016.

Global temperatures stayed near record-high levels in Autumn, with last month ending up as the second-warmest September on record, going back to 1880. For the month, the average sea- and land-surface temperature was 1.60 degrees Fahrenheit above the 20th century average, just 0.07 degrees Fahrenheit cooler than September 2015, according to the latest monthly State of the Climate report from NOAA’s National Centers for Environmental Information.

The average land-surface temperature was record-warm for the month, at 2.32 degrees above the 20th century average, beating last year by 0.20 degrees.  The average global sea surface temperature was the second-warmest on record, behind 2014.

Many more record highs than lows. Visit this NOAA data page to see more graphics.

The year to-date (January-September has been record warm and climate trackers are all but sure that 2016 will end up being the warmest year on record — the third year in a row to set that mark, NOAA reported.

For September, record warmth was reported from various parts of the world, including the Great Lakes region,  parts of central and northern Europe, part of north central Russia, a region extending from central Asia southwest to northern Yemen and southern Oman, along with a couple of areas in equatorial Africa.  Europe and Asia were both record warm for September, while Africa was second warmest and North America third, according to NCEI’s Global Regional analysis. Only western Australia observed below to well-below average temperatures for the month. No land areas experienced record cold temperatures during September 2016.

In Europe, Norway and Germany reported a record high monthly average temperature for the month, while it was the third-warmest September on record in France, and the fifth-warmest in Austria, at 4.3 degrees Fahrenheit above the 20th century average.

Record ocean warmth was present across parts of the northeastern, southeastern and western Pacific, parts of the Gulf of Mexico and the Caribbean, the Atlantic near the northeastern U.S. seaboard, and the Indian Ocean waters south of Indonesia.

Cooler-than-average conditions were limited to small areas of the mid-North Atlantic, the central equatorial Pacific, the eastern Indian Ocean near southwestern Australia and to the east of Madagascar, and part of the Southern Ocean surrounding Antarctica.

Compiled from the NOAA National Centers for Environmental Information, State of the Climate: Global Analysis for September 2016, published online October 2016, retrieved on October 18, 2016 from


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