September third-hottest globally on record: climate monitor

Data aligns with a decade-long trend of rising global temperatures

Last updated: October 09, 2025 | 06:21

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AFP

September 2025 marked the third hottest September since 1940, aligning with a decade-long trend of rising global temperatures, according to the Copernicus Climate Change Service data integrated by Our World in Data.

"The global temperature in September 2025 was the third warmest on record, nearly as high as in September 2024, less than a tenth of a degree cooler," said Samantha Burgess, strategic lead for climate at Copernicus.

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