When can we see the autumn foilage in Japan? Autumn foliage can be seen across Japan from as early as September until December. For details, please see the following page: Autumn Leaves in Japan Related articles Do I need a visa to enter Japan? When is peak travel season? Do you have any recommendations for first-time visitors to Japan? Please send me maps/brochures. What should I do when I get injured or sick while I am in Japan?