Traditional Culture Encyclopedia - The 24 Solar Terms - What month does autumn usually turn cold?
What month does autumn usually turn cold?
Generally speaking, the weather in the north generally begins to cool down in September, while the weather in the south will be later, and it will gradually cool down after the National Day.
Divide four seasons according to climate and average temperature. The index is that the average temperature is below 10℃ in winter, above 22℃ in summer, and 10~22℃ in spring and autumn respectively. July to September in the lunar calendar, autumnal equinox to beginning of winter, September to 165438+ October in the solar calendar, and autumnal equinox to winter solstice in astronomy. In China, autumn begins in early autumn, passes through early autumn, Mid-Autumn Festival and late autumn, and finally ends in early winter.
The phenological standard studied by meteorologists is: after the intense summer heat, the average temperature for five days is stable below 22℃, which means that it enters autumn and ends when it is below 10℃.
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