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September 2026 second hottest on record, Copernicus data shows

Original: Monthly global climate data update from @ CopernicusECMWF ERA5 for the month of September 2026. Second hottest month of

The Copernicus Climate Change Service's ERA5 dataset shows September 2026 was the second hottest September globally since records began in 1940, according to a monthly update from Copernicus ECMWF. Climate observers are sharing the figures as further evidence that global temperatures remain persistently high despite year-to-year variation.

Why now: Monthly temperature records are closely watched indicators of ongoing global warming, and a near-record September fuels debate about climate trends

Copernicus ECMWFERA5

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Evidence

• Monthly global climate data update from @ CopernicusECMWF ERA5 for the month of September 2026. Second hottest month of September since 1940. # climate https:// datagraver.com/climate-data-se t-copernicus-era5/ · Datagraver · 8

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