The won was quoted at 1,160.8 to the dollar at the conclusion of onshore trade, up 1.0 percent from Friday's close of 1,172.7.
The Korea Composite Stock Price Index (KOSPI) closed up 1.4 percent at 1,981.12 points.
Foreign investors bought a net 21.3 billion won ($18.37 million) worth of KOSPI shares, while domestic institutions purchased a net 117.0 billion won.