In September, South Korea posted a trade surplus of $3.7 billion.
Government economists said exports grew 3.9 percent compared to November 2011, reaching $47.79 billion. Imports compared to the same month of 2011 rose 0.7 percent to $43.32 billion.
Yonhap News Agency reported Saturday that South Korea's domestic economy also appears to be picking up steam, as industrial production rose for the second consecutive month in November.
Domestic demand for cars and computer chips is on the rise, the news agency said.