I'm planning to travel in Japan for about 9 days.
But I'm still hesitating to travel on which month, whether september, october or november is the best time to travel in Japan?

I will be boarding at Osaka staying there for 2 days then I'll be taking bus to Tokyo then Kyoto..

It would be helpful for those who actually have a perfect itenary for 9days travel in Japan. I'll be taking my flight back in Osaka.