Characteristics of autumn wind solar terms

The characteristics of the autumnal equinox solar terms are the equal division of day and night, the gradual decrease of temperature, the migration of migratory birds, the maturity of crops and the change of precipitation.

1, divided equally between day and night:

On the day of the autumnal equinox, the time between day and night is equal, that is, each 12 hour.

2, the temperature gradually decreases:

After the autumnal equinox, the temperature difference between day and night increases and the temperature drops day by day.

3, migratory birds migration:

In the autumn equinox, the weather in the northern hemisphere turned cold, and migratory birds such as geese, swallows and cuckoos began to fly from the gradually cold north to the south in droves.

4, crop maturity:

The autumnal equinox is also a solar term for the mature harvest of crops. At this time, rice, corn and other crops have matured, and people began to harvest and store these crops.

5, precipitation changes:

After the autumnal equinox, the daily precipitation is not very large, and the probability of heavy rain and heavy rain is very small, but the number of precipitation increases.

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