Mistake to try do a beach vacation here in mid-Sept?

We booked a trip to visit Boca Raton, hoping for a relaxing beach vacation towards the mid to end of Sept. Minus the risk of hurricanes, which hopefully we can track beforehand to know if we should cancel, is it still a mistake to go? Will be it raining all day every day or is it more sporadic? Don’t want to waste the precious days off we have if we won’t be able to enjoy the outside