September 2020 was the hottest September on record for the globe, continuing a sweltering year.
The September 2020 temperature and precipitation outlook favors a warmer- and drier-than-average September across the western United States, and a wetter-than-average month across the south-central Plains and much of the East.
Flash drought engulfs the U.S. Southeast in September 2019
October 9, 2019
September 2012 tied with September 2005 as the warmest September worldwide since record keeping began in 1880. See which countries saw warmer-than-average temperatures during last month, and learn how weak El Niño conditions might progress into the Northern Hemisphere winter.