Last month was the hottest September ever recorded, beating 2014's previous record by 0.004°C.

According to new NASA data, temperatures were 1.6°F (0.91°C) above the 1951-1980 average.

Monthly temperatures (departure from 1980–2015), superimposed on the 1980–2015 mean seasonal cycle.NASA / GISS / Schmidt

According to an official statement from NASA's Goddard Institute for Space Studies, "September 2016 was the warmest September in 136 years of modern record-keeping, according to a monthly analysis of global temperatures by scientists at NASA's Goddard Institute for Space Studies in New York."

NASA's Gavin Schmidt said it "seems locked in" that 2016 will be the hottest year ever with temperatures approximately 1.25°C above the late 19th century average.

For a deeper dive:

News: Climate Central, Mashable, New York Magazine, IB Times, Independent.

Commentary: Discover, Tom Yulsman column; Minnesota Public Radio, Paul Huttner column; ThinkProgress, Joe Romm column

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