In the first week of the month, the low trough with an axis through the Central region connecting with the low pressure area in the central East Sea will operate in the first 3-4 days, then gradually weaken.
In the following days, the hot low pressure in the West will develop more strongly and expand to the East. The southwest monsoon in the South will operate at an average level.
Therefore, the weather in the South is generally characterized by showers and thunderstorms in many places, concentrated in the late afternoon, beware of the possibility of widespread heavy rain in the first 2-3 days and the last 3-4 days. Temperature increased slightly compared to last week.
In the middle of the month, the trough over the North East Sea connects with the weak hot low pressure in the West. Subtropical high pressure lifts its axis to the North through the Central region.
The southwest monsoon will operate at medium intensity. Above, the subtropical high pressure has an axis through the North of the East Sea.
The weather in the region is generally scattered with showers and thunderstorms in many places, mainly occurring from noon to evening with some places having moderate to heavy rain. The temperature has changed little compared to the first week.
In the last week of the month, the trough over southern China will connect with the weak hot low pressure in the West. The southwest monsoon will operate at medium intensity.
Above, the subtropical high pressure weakens and gradually retreats to the East. Beware of the possibility of 2-3 storms or tropical depressions appearing in the East Sea.
Rain tends to increase, commonly scattered showers and thunderstorms in many places. Temperature tends to decrease slightly compared to the middle week.
In September 2025, scattered rain will occur in many places. The common number of rainy days is 18-24 days. The total monthly rainfall is generally approximately the average of many years. There is a possibility of 2-3 storms or tropical depressions appearing in the East Sea, causing dangerous weather at sea and widespread heavy rain in the mainland area.
