Is there autumn in Guangzhou?

The ancients believed that "beginning of autumn" indicated that the hot summer would pass and autumn was coming. But the hot weather in Guangdong is far from over. The meteorological department predicts that the weather will be hot in the next three days, and there will be high temperatures of 35℃ to 36℃ in the cities and counties in the north-central part of the province and northern Guangdong.

Meteorology divides seasons by temperature method, that is, when the average temperature is lower than 10℃ for five consecutive days, it is winter, and when the average temperature is higher than 22℃ for five consecutive days, it is spring or autumn.

In recent 30 years, the average autumn time in Guangzhou is at the end of 10. Although there are some differences in autumn days in Guangzhou every year, they generally fluctuate around the average autumn days, and the fluctuation range is generally less than 1 month.

Extended data starting in autumn

Beginning of autumn is the 13 of the 24 solar terms. On August 7th or 8th every year, beginning of autumn is considered as the time when the sun reaches 135. "Autumn" means that summer is cool, which means the beginning of autumn. But in early autumn, the weather in Jianghuai area is still very hot.

According to the standard of dividing seasons according to the average temperature, it must be that the average temperature for five days is below 22℃ to be considered as autumn. According to this standard, the Jianghuai area generally enters autumn in the middle and late September.

After beginning of autumn, although the summer heat is hard to disappear for a while, there is still the afterglow of "autumn tiger", but the general trend is that the weather is getting colder and colder. The daily temperature range is gradually obvious, which is often very hot during the day and very cold at night.

Autumn actually means that the crops are about to mature. After beginning of autumn, late rice in most parts of South China started jointing and heading, and cotton bolls cracked. Mid-season rice and summer corn entered the stage of grain filling maturity.

In the east and west of South China, the task of drought and flood control is still very arduous. In South China after beginning of autumn, although the season is still midsummer, "beginning of autumn is full of yellow in ten days" and a golden "autumn" is coming.

People's Daily Online-Guangzhou: Although beginning of autumn is not cool.