Scientists Disagree About Drivers of September’s Global Temperature Spike, but It Has Most of Them Worried

The month’s shocking surge is likely to make 2023 the hottest year on record and drive extreme impact around the globe. It could also be a harbinger of even higher temperatures next year.

Bob Berwyn, October 11th 2023, Inside Climate News

September’s stunning rise of the average global temperature is all but certain to make 2023 the warmest year on record, and 2024 is likely to be even hotter, edging close to the “red line” of 1.5 degrees Celsius of warming above the pre-industrial level that the 2015 Paris climate agreement is striving to avoid.

As of Oct. 10, the daily average Northern Hemisphere temperature had been at a record high for 100 consecutive days. At least 65 countries recorded their warmest Septembers on record, and even after record heat in July and August, the September spike was a shock, said Carlo Buontempo, director of the European Union’s Copernicus climate change service.

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