When does autumn begin and what are its climatic characteristics?

1, beginning of autumn is August 7th, 2020.

2. beginning of autumn means rain, storm, humidity, etc. It is at the turning point of the year and tends to decrease or decline. Seasonal changes, rainfall, rainstorm, dry and wet changes in southern China are obvious; In the northern region, these changes are not obvious, but the temperature is obvious. After entering autumn, in nature, the qi of Yin and Yang began to change, everything began to grow from lush to mature, and the climate began to transition from rainy and humid in summer to dry and rainy in autumn.

The beginning of autumn doesn't mean the end of hot weather. According to the calculation method of "three volts", beginning of autumn is still in the "three volts" period from the heat, so the weather is still very hot in early autumn, and it will generally cool after the Millennium solar terms. The watershed of summer heat is in autumn, not at the turn of summer and autumn. The climate in autumn is divided into two stages, the early autumn is sultry, and the climate tends to be dry and cool after the Mid-Autumn Festival. This is a season of alternating hot and cold.