Different families and genera: August melon is the plant of August melon in the family Mutong, while September melon is the plant of Mutong in the family Mutong. Fruit color difference: August melon fruit is purple, there are some varieties are pink, and September melon fruit is yellow. Habits are different: August melon is an evergreen plant, which does not shed leaves in winter. September melon is a kind of deciduous plant, which leaves in autumn and winter.