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? Do you have any recommendations for first-time visitors to Japan? Please send me maps/brochures. When is peak travel season? Is it necessary for overseas visitors to show a copy of their passport upon checking in at accommodations?