What are the characteristics of autumn?

Beginning of autumn: The beginning of autumn.

Summer: It means to stop and hide. Summer heat means the end of hot summer days.

White dew: The weather turns cold and the dew condenses into white.

Autumnal equinox: divided equally between day and night.

Cold dew: Dew is cold and will freeze.

First frost: it's getting colder and colder, frosty.

In autumn, the most obvious change of natural landscape is in trees. The city will begin to clean up a lot of fallen leaves, and many tourists will flock to the mountains to watch the red leaves. Autumn, the third season of the year, is a transitional season from summer to winter. The lunar calendar is from beginning of autumn in July to beginning of winter in September, the solar calendar is from 9: 00 to 1 1, and the astronomical vernal equinox starts from the winter solstice. The standard for meteorologists to study phenology is: after the intense summer heat, the average temperature for five days is stable below 22 degrees, which means that it is autumn, and it is over when it is below 10 degrees.

There are six solar terms in autumn, namely beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew and First Frost.