The jump in global temperatures in September 2023 is difficult to explain by natural climate variability alone
Global mean temperature in September in 1940–2023 based on ERA5 reanalysis. Black circles indicate previous record-breaking Septembers before 2023. The temperatures are given in anomalies with respect to the 1991–2020 period. Credit: npj Climate and Atmospheric Science (2024). DOI: 10.1038/s41612-024-00582-9
September 2023 broke the global mean temperature record by a staggering 0.5° C difference from the previous record. A new…