What do you mean by "the morning is cold in early autumn and the evening is hot in early autumn"? How to distinguish early autumn from late autumn?

There is a folk saying that "beginning of autumn is cold in the morning and beginning of autumn is hot at night", but the literal meaning is clear to everyone, which means that the weather in beginning of autumn will be hot for a while in the afternoon.

According to the latest forecast of Changsha 15, the highest temperature after beginning of autumn is about 33-35 degrees, and the lowest temperature is between 26-28 degrees. The temperature after beginning of autumn is still relatively high.

The division between morning and evening in early autumn is determined by noon in a day. If beginning of autumn time is in the morning, then this year's beginning of autumn is considered as "early autumn". If this time in beginning of autumn is in the afternoon, then this year's beginning of autumn is "late autumn". Beginning of autumn time this year is two o'clock in the afternoon, so beginning of autumn is late this year.

After beginning of autumn, many crops are still in the growth stage, such as middle rice is still in the filling stage, and late rice has just been transplanted for a long time. In case of late autumn, the weather will be hot for a while, which is very good for crops and can have a good harvest.