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2mo ago

September Ranked Third-Warmest on Record as 12-Month Global Average Tops 1.5°C

The rolling year crosses the Paris benchmark under Copernicus data, with any official breach judged over longer spans.

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Der zurückliegende Monat war der drittheißeste September weltweit seit Beginn der Aufzeichnungen. Die Durchschnittstemperatur von 16,11 Grad lag um 1,47 Grad über dem vorindustriellen Niveau, wie das EU-Erdbeobachtungsprogramm Copernicus mitteilte.

Overview

  • Copernicus reports a global average of 16.11°C for September 2025, which is 1.47°C above the pre‑industrial baseline and the third-warmest September on record.
  • The October 2024 to September 2025 period averaged 1.51°C above pre‑industrial levels, marking a full year above the 1.5°C threshold.
  • September 2025 was 0.27°C cooler than the record September of 2023 and 0.07°C cooler than September 2024, keeping temperatures near recent peaks.
  • Regional anomalies were strongest across parts of Europe from the Baltics to the Balkans, as well as in Canada, parts of Greenland, northwest Siberia and coastal areas, and large regions of Antarctica.
  • Copernicus bases its assessments on billions of satellite, ship, aircraft and station measurements dating back to 1940, and scientists say current warmth likely rivals the hottest period in about 125,000 years, with experts urging rapid emissions cuts and large-scale carbon removal.