Anyone who wants to vote — for president, for or against the proposed abortion-rights amendment to the Florida Constitution, on whether to legalize recreational marijuana for adults — faces a Monday deadline. Monday, Oct. 7, is the last day to register to vote in the Nov. 5 election. “In the state of Florida, you do have to be registered to vote 29 days before the election or you won’t be able to participate,” said Broward Supervisor of Elections Joe Scott. How to register People registering online have until 11:59 p.m.