Traveling to Japan in October and November (Autumn) requires a versatile "layering" strategy, as temperatures can fluctuate significantly between the crisp mornings and mild afternoons. In October, the weather is often "perfect" for walking, with highs around 18°C to 23°C (64°F–73°F); you should pack light sweaters, long-sleeve shirts, and a light jacket. By November, the air turns noticeably cooler, especially in northern regions like Sapporo or mountainous areas like Kyoto, with temperatures dropping to 8°C to 15°C (46°F–59°F). You will want a medium-weight coat, scarves, and perhaps light gloves for the evenings. Because Japan involves a tremendous amount of walking and frequent transitions between heated trains and chilly streets, breathable fabrics are key. Additionally, Japanese fashion tends to be "neat and conservative," so dark denim, stylish boots, and modest layers are ideal for blending in. Don't forget an umbrella for the occasional autumn rain, and ensure you have shoes that are easy to slip on and off, as you will likely be removing them frequently at temples and traditional restaurants.