PIPING HOT YAKIIMO!
Other than observing the leaves change color from green to brown, red and yellow, to me autumn means delicious food. My favorite thing to do in autumn is to wait for the yakiimo (cooked sweet potato) truck come around town, selling piping hot sweet potato. The smell of the sweet potato wafts to your room, tempting you to come out of your house to buy sweet potato. If the sweet-potato truck doesn't come around, I often go to the super market, or convenience store. Festivals during the autumn often have yakiimo as well, so I eat it all the time in autumn!