The last season to have its first hurricane develop this late was 2013.[5] Activity then increased tremendously towards the end of the month as four named storms formed in quick succession. Among them, Hurricane Fiona became the season's first major hurricane on September 20, which is about three weeks later than when the first one typically forms.[6] Hurricane Ian then became the second major hurricane of the season on September 27, before inflicting catastrophic damage upon Southwestern and Central Florida.