What is the climate and temperature in ManZhouLi China in middle of september 2015?

Maria, it's difficult to predict weather conditions two months later. Perhaps, you may refer to previous years' weather records in Manzhouli. The average temperature is 37 to 63℉ (3 to 17℃). It's dry seaon so that it almost doesn't rain. Considering of the low temperature, you should bring windcoat, jacket, suit, thin sweater or even winter coat.