
Major Global Extreme Weather Events (September 2026) • Record-Breaking El Niño Temperatures: Daily sea surface temperatures in the central and eastern equatorial Pacific spiked to 3.08°C above average on September 21, breaking previous historical records. This supercharged global heating and altered weather patterns worldwide. • Himalayan Rock-Ice Avalanche & Debris Flood: On August 26 extending into early September impacts, a massive disaster triggered by a rock wall collapse on Langtang Lirung shook the Nepal-China border region, causing over 1,300 deaths and severe regional sediment flooding. • Severe Droughts and Low River Flows: Intense dry conditions plagued parts of South America (Amazon and Central America basins linked to the El Niño spike), alongside lingering European dry spells affecting waterways like the Rhine, Seine, and Danube. • Tropical Storms and Flooding: The Pacific and parts of Asia faced persistent heavy precipitation and tropical cyclone threats, while transition zones experienced erratic flash floods. • Extreme Heat Mortalities Warning: Climate scientists and health labs issued warnings tied to the September El Niño spike, projecting hundreds of thousands of vulnerable global heat-related casualties extending into early 2027


















