IRONORE/ Heavyweights BHP Group BHP.AX, Rio Tinto RIO.AX and Fortescue Metals FMG.AX rose between 1.8% and 3.5%. By Upasana Singh Sept 12 (Reuters) - Australian shares on Monday closed at their highest in more than a week, lifted by miners and banking stocks, with investors awaiting a critical reading on U.S. inflation due on Tuesday. Global markets are eyeing U.S. consumer prices report for August for any signs of cooling in inflation, which could impact the Federal Reserve's aggressive policy tightening path.