the average miles put on a car per year is actually ranged between 12,000-14,000 miles a year. However, if there is more then that you may have to take into considerations its previous owner(s) job as far as commuting and vacations went.
#9. Average high temperature of Tokyo during September is 81 F, and average low temperature of Tokyo during September is 70 F. Due to humidity in Japan temperature may feel hotter if you are not used to in humid climate. Also there is temperature difference between night and day.
The best time to visit Tokyo is March, April, October, and November. The weather is nearly perfect, the summer rains and heat have passed, and sightseeing is at its best. Best Time for Good Weather: Late March to May and October to early December. Best Time for Sightseeing: Late March, April, October, and November.