What season is autumn dew and autumn frost?

This is the last song in the 24 solar terms:

Spring rains shake spring and clear valleys,

Summer is full, summer is summer, summer is summer.

Autumn dew and autumn frost,

It snows in winter, it snows in winter, and it's a little cold in winter.

24 solar terms:

Keywords beginning of spring, rain, fright, vernal equinox, Qingming, Grain Rain,

Long summer, small man, mangzhong, summer solstice, xiaoshu, dashu,

Keywords beginning of autumn, first summer heat, white dew, autumnal equinox, cold dew, first frost,

Beginning of winter, light snow, heavy snow, winter solstice, slight cold, severe cold. ..