The global average surface temperature for the month of January–. September 2026 was about 1.47 degrees Celsius above the pre-industrial average, the World Meteorological Organization (WMO) said.
According to her report, "Earth's energy imbalance is increasing and the Earth system is gaining heat at an accelerated rate." The imbalance has now reached its highest level since monitoring began, as "greenhouse gases trap unprecedented amounts of heat," disrupting the balance between incoming energy from the sun and outgoing energy.