In which month will the weather get cold?

The temperature will gradually drop in autumn, but it is generally slower than in winter. Because after the end of beginning of autumn, in late August, the weather began to turn cold gradually.

Meteorological characteristics:?

1, the temperature will drop gradually in autumn, but it is generally slower than in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. ?

2. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost. ?

Astronomical features:

1. In autumn, the direct point of the sun gradually moves south from the northern hemisphere, crosses the equator after the autumnal equinox, and the sun directly shines in the southern hemisphere. Seen from the northern hemisphere, the angle of the sun gradually becomes lower, and the gap between day and night becomes smaller.

At the autumnal equinox, the length of day and night is equal. In autumn, the distance between the earth and the sun is from far to near. Seen from the ecliptic plane, the sun is on the background of Leo, Virgo and Libra.