Helen drew forward over, among other things, the states of North Carolina, South Carolina, Florida, Georgia, Virginia, and Tennessee.
The hurricane left behind a trail of so many power outages that the darkness was visible from space. Several water treatment plants were also damaged, making water a scarce commodity for many households.
In addition to the confirmed deaths, hundreds of people are also missing.
Federal authorities have sent out millions of liters of water to affected areas.
The work of clearing up after the hurricane is in full swing, but it will take time. An example is the parts of North Carolina that were hardest hit. There, nearly 40 percent of households and businesses were still without power.