Central banks are back in the spotlight in the week ahead, with decisions on monetary policy due in Australia and Japan, amid expectations of a looming U.S. interest rate hike by year-end.

Policymakers down under will meet on Tuesday and analysts expect the Reserve Bank of Australia (RBA) to stand pat on its benchmark interest rate. All 23 economists polled by Reuters see the RBA's cash rate unchanged at a record low of 2 percent, as a weaker Australian dollar provides support for the economy.