Frances dropped up to a foot of rain along Florida's central east coast, causing flooding. Roads were littered with downed trees and power lines.
Electricity went out for more than 5 million people.
Four people were killed in Florida: one in a car crash, two from fumes from generators and one in a tree-crushed mobile home. Two people were killed earlier in the Bahamas.
About 2.8 million residents were ordered to evacuate before the storm hit.
More than 100,000 people took refuge in Red Cross shelters.
Airports in Miami and Fort Lauderdale reopened Sunday, but Orlando's and more than 20 others remained closed.
Theme parks at Walt Disney World, Universal Orlando, Busch Gardens and Adventure Island were closed Sunday.
-- Associated Press