Florence slowly crawled over South and North Carolina, dumping heavy rains on already flood-swollen river basins that authorities warned could bring more death and destruction.
The majority of the dead are from the small rural town of Atsuma, where a cluster of dwellings were wrecked when a hillside collapsed from the force of the earthquake.
The National Weather Service dropped all warnings for Lane, but a local flash-flood warning remained in effect.
Incessant downpours since August 8 have caused the worst floods in a century in the southwestern state.
The June-September rains in Kerala state have cost 175 lives and damaged crops worth 3.42bn rupees ($49.81mn).
More than 12,000 people were also forced to flee their homes due to floods, according to the national disaster risk management council.
The toll from the record rainfall has continued to rise, as rescue workers dig through the debris and find the remains of dozens of people reported missing.