*JAPAN AUG. OVERALL CONSUMER PRICES RISE 2.7% Y/Y; EST. +2.8% *JAPAN AUG. CORE CONSUMER PRICES RISE 2.7% Y/Y; EST. +2.7% *JAPAN AUG. CPI EX-FRESH FOOD, ENERGY RISES 3.3% Y/Y; PREV. 3.4%