What are the characteristics of autumn?

1, the temperature dropped obviously, the cold air in the north continued to invade, the solar radiation became less and less, and the temperature dropped obviously.

2, the temperature difference between day and night is large, the temperature is still high during the day, and the temperature may be very low in the morning and evening, and it even feels like two different seasons.

3, autumn typhoon should not be underestimated, autumn typhoon intensity is relatively strong, resulting in serious losses, affecting autumn travel.

4, windy weather increases, alternating cold and warm, so that warm air meets and interacts frequently, which is easy to form wind, so the autumn in the north is crisp. 5, the air is dry and humid, the temperature drops, the water evaporation is not obvious, the air humidity is small, and the strong wind will also aggravate the dryness.

6. In the rainy weather in West China, the frequent southbound air meets the stranded warm and humid air, which intensifies the front activity and produces long-term rainfall.