The most intense hurricane in US history hit the Florida Keys on September 5, 1935. It was a very cool day across most of the US.
Compare vs. ten years earlier, when the southeastern US was extremely hot.
Conditions for Irma are very similar to 1935 with cool weather on the East Coast, and the forecast track for Irma is very similar to that of the 1935 Labor Day hurricane.
10-Day Temperature Outlook for the Conterminous U.S.
