The phenological characteristics of the Beginning of Autumn include: temperature drops, thunderstorms decrease, autumn winds blow, crops mature, leaves gradually turn yellow, autumn winds appear, plant fruits mature, and white dew appears.

1. The temperature drops: At the beginning of autumn, the temperature begins to drop, the heat during the day gradually weakens, the coolness in the morning and evening increases, and the temperature difference gradually increases.

2. Thunderstorms decrease: After the beginning of autumn, thunderstorms gradually decrease, precipitation decreases significantly, and the sky becomes clearer.

3. Autumn breeze: After the beginning of autumn, the wind gradually increases, the sultry atmosphere of midsummer weakens, and is replaced by the cool autumn breeze.

4. Crop maturity: With the arrival of the Beginning of Autumn, some summer crops such as corn and watermelon begin to mature, and some autumn crops such as rice and cereals begin to grow.

5. Leaves gradually turn yellow: During the beginning of autumn, some trees begin to turn yellow, and the leaves gradually wither and fall, heralding the arrival of autumn.

6. Autumn wind appears: After the beginning of autumn, the autumn wind gradually blows, cool and a little dry, and the blowing wind carries a hint of autumn.

7. Plant fruits mature: The fruits of some plants begin to mature, such as apples, pears, grapes and other fruits, and the process of seed diffusion also gradually begins.

8. White Dew Appears: After the Beginning of Autumn, the 13th solar term of the year - Bai Dew appears. During the white dew period, dew begins to appear gradually, especially in the morning, and there will be water droplets on the grass blades.

Ripe fruits at the beginning of autumn

1. Grapes: At the beginning of autumn, grapes enter their peak fruiting period, and many varieties of grapes begin to become sweet and juicy.

2. Willow: Willow is a citrus fruit that usually begins to mature within a few months after the beginning of autumn. It has a sweet and sour taste and is suitable as a fruit or for making jam.

3. Apples: Some apple varieties begin to mature after the beginning of autumn. The apples at this time are juicy, crisp and sweet.

4. Pears: After the beginning of autumn, some pear varieties such as Qiu pear begin to mature, with a crisp and juicy texture.

5. Peaches: Some early-maturing peach varieties usually begin to mature after the beginning of autumn. At this time, the peaches are tender and juicy.