The country's export price index stood at 114.18 in September, up 1 percent from the previous month, according to the preliminary data from the Bank of Korea (BOK).
The figure represented the 10th straight month of an on-month rise. From a year earlier, the index jumped 20.2 percent, the eighth consecutive on-year growth, the data showed.
The rise stemmed mostly from hikes in coal, oil and chemical products, the central bank said.
South Korea's exports have been on a solid recovery track despite the global coronavirus pandemic. In September, outbound shipments surged 16.7 percent on-year to a record monthly high of $55.6 billion.
Meanwhile, the country's import prices rose 2.4 percent on-month in September due to a hike in global oil. It marked five consecutive months of a rise.
The import index also jumped 26.8 percent from a year earlier, the data showed. (Yonhap)