Japan's August retail sales climbed 2.8% year on year, beating Reuters poll estimates of a 2.3% rise, and up from a revised 2.7% rise in July.

Japan's Nikkei 225 is set to plunge over 6% on open, based off futures data. The futures contract in Osaka stands at 37,440 compared to the index's previous close of 39,038.16. China will release its official PMI numbers for September,

Japan's Nikkei share average fell over 4% due to a stronger yen after Shigeru Ishiba, perceived as a monetary policy hawk, won the prime ministerial contest. The broader Topix index also declined, and government bond yields rose.

Japan's Nikkei 225 tumbled over 3% on Monday and the yen weakened against the dollar as traders reacted to the results of the ruling Liberal Democratic Party election last Friday. China will release its official PMI numbers for September,