September 2023 was the warmest September on record globally, with an average surface air temperature of 16.38°C, 0.93°C above the 1991-2020 average for September and 0.5°C above the temperature of the previous warmest September, in 2020. #globalwarming #ClimateChange https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/media_attachments/files/111/183/744/310/708/568/original/0924624f52252bd6.png