Does the subject want to ask "How many areas in Heilongjiang will be affected by typhoons in 2020"? Nine. From 0: 00 on September 3rd to 8: 00 on the 4th, 2020, the rainfall at 9 stations 1 and 5 18 in Heihe, southern Yichun, most of Qiqihar, most of Daqing, most of Suihua, most of Harbin, part of Hegang, part of Jiamusi and most of Mudanjiang was 50-99.9 mm, including 73 stations in Yichun, Daqing, Harbin and western Mudanjiang. Therefore, in 2020, typhoons will affect nine regions of Heilongjiang.