What month is autumn in the lunar calendar?

1. According to the lunar calendar, July, August and September are autumn and March. According to the solar terms, the time from beginning of autumn to beginning of winter is called autumn. The solar meridian ranges from 90 degrees to 180 degrees. It is equivalent to August 8th to165438+1October 7th. 3. According to the waiting temperature (the average temperature of five days), it will enter autumn when the waiting temperature drops to 22 degrees Celsius, and it will enter winter when the waiting temperature drops to 10 degrees Celsius. The beginning and end of the above three kinds of autumn can't be compared. Taking the starting point as an example, the first day of the seventh lunar month is different from beginning of autumn in most years. The former does not exceed 15 days and the latter does not exceed 15 days. Autumn, which is determined by weather temperature, is more different from the first two. Different regions enter autumn at different times.