Arctic sea ice extent for September averaged 4.92 MM sq km, the 12th lowest in the 43-year satellite record. This is 1.35 MM sq km above the record low set in September 2012. Read more in our latest sea ice analysis post: https://t.co/nS5v9r4wh0 pic.twitter.com/lfGv71Ywej

— National Snow and Ice Data Center (@NSIDC) October 5, 2021