Well, most active season or hyperactive like this year is likely to be, have a significant hurricane threat around August 28th or so.
August 28, 2004 - Hurricane Frances becomes a Category 4 hurricane in the Central Atlantic headed west towards land
August 28, 2005 - Hurricane Katrina a Category 5 hurricane in the Gulf of Mexico headed for New Orleans area
August 28, 2008 - Hurricane Gustav organizing in the Caribbean, to become a Category 4 storm before striking Cuba
August 28, 2012 - Hurricane Isaac lashing the Gulf Coast
August 28, 2017 - Hurricane Harvey flooding Texas after striking as a Category 4, Hurricane Irma forming in Eastern Atlantic
August 28, 2019 - Hurricane Dorian organizing north of Greater Antilles, headed towards Bahamas
August 28, 2020 - Hurricane Laura moving inland after striking Gulf Coast as a Category 4 hurricane
August 28, 2021 - Hurricane Ida strengthening into a Category 4 hurricane before Gulf Coast landfall
August 28, 2023 - Hurricane Idalia organizing south of Cuba, eventually to be Category 3 hurricane for Western Florida
Last year, I took note of when we were approaching August 20th or so and I thought "I bet we get something notable the next ten days" and sure enough, we got Hurricane Idalia.