What is Autumn?Autumn is one of the four seasons of the year. In the fall, the sun begins to decrease in strength, and the temperature begins to rise. The weather is getting colder, and the plants stop producing food for the winter. The leaves change color, and animals prepare for the long winter ahead.Autumn also signals the end of summer, which in turn signals the beginning of winter. The leaves transition from green to yellow, orange, and red as the weather changes. It signals the end of the growing season for many plants and crops, and the beginning of the winter for animals and humans.Autumn is a season of transition and change. The seasons and the landscape are full of the many things that make it a special time of year.Autumn Wallpaper is a collection of the latest and best autumn wallpapers. We have a collection of beautiful and cute wallpapers for your Android phone. Download and set them as your home screen or lock screen.