UPDATE: September 2021 was tied with 2019 for the second hottest September since 1880 (behind September 2020), at 0.92°C (1.66°F) above the 1951-1980 long-term average. The 9 most recent Septembers have been the hottest: https://t.co/mYnLws5cIG pic.twitter.com/vorkAl4aCo

— NASA Climate (@NASAClimate) October 14, 2021