{"sections":[{"id":"temperature","question":"How warm is the planet?","answer":{"verdict":"September 2026 was the 2nd warmest September since 1880","value":1.38,"unit":"°C","digits":2,"format":"signed","label":"Global surface temperature, September 2026, against the 1951–1980 average (NASA GISTEMP)","lines":["+1.38°C against 1951–1980: the 2nd warmest September of 147 (NASA GISTEMP v4)","+1.28°C against 1961–1990 (95% range +1.22 to +1.34°C): the 2nd warmest September of 177 (Met Office HadCRUT5)","2025 averaged +1.19°C, the 2nd warmest of 146 complete years; the warmest were 2024 (+1.28°C), 2025 (+1.19°C), 2023 (+1.17°C)"]},"charts":[{"id":"planet-temp-years","title":"Every year since 1880, the whole planet","description":"2025 averaged +1.19°C against 1951–1980, the 2nd warmest of 146 complete years since 1880.","indicator":"Global land-ocean surface temperature anomaly, annual mean of 12 monthly values, °C, against 1951–1980 (NASA GISTEMP v4)","subtitle":"Annual mean surface 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