Most markets in Asia-Pacific region were trading on a mixed note as market participants assessed latest purchasing manager's index data from China, and aftermath of Japan's Shigeru Ishiba's winning leadership of ruling party.

CSI 300, mainland China's official stock index, jumped over 6% as three major cities in the country announced measures to provide relaxation to struggling real estate market, according to Bloomberg.

Meanwhile, official PMI data from China came at 49.8 in September, higher than 49.5 economists expected in a Reuters' poll.

The Nikkei 225 slumped nearly 5% on Monday so far, as supporter of monetary tightening policy, Shigeru Ishiba won ruling Liberal Democratic Party's ownership in contrast to investors' expectation.