The National Center for Hydro-Meteorological Forecasting has issued a noteworthy weather trend forecast for September.
Regarding the temperature trend, in September 2026, the average temperature nationwide is generally 0.5 - 1 degree Celsius higher than the multi-year average.
Hot weather in the Central region tends to gradually decrease, especially in the South Central Coast region, there is still a possibility of some widespread hot spells.
The rain trend in September 2026 in the Northern region and provinces from Thanh Hoa to Ha Tinh is generally lower than the multi-year average by 20 - 40%. The Southern region has a total rainfall generally lower than the multi-year average by 5 - 15%. The Central Highlands region has a higher rainfall of 10 - 20%, other areas are generally at a level close to the multi-year average.
During the forecast period, widespread heavy rain will mainly concentrate in the Northern region and provinces from Thanh Hoa to Da Nang. In the Central Highlands and Southern regions, there will be many days of showers and thunderstorms, with days of moderate to heavy rain; the rain time will be concentrated in the afternoon and night.
Dangerous weather phenomena such as thunderstorms, tornadoes, lightning, hail and strong gusts of wind are likely to continue to appear throughout the country.
Regarding the sea weather trend, in September, storms/tropical depressions operating in the East Sea area and making landfall in Vietnam are likely to be equivalent to the multi-year average. According to multi-year average data in September, there are about 2.4 storms in the East Sea area and 1.2 storms making landfall in Vietnam.
Previously, in August 2026, there was 1 tropical depression and 3 storms in the East Sea area, including storm No. 3 Kujira, storm No. 4 Narra and storm No. 5 Saudel.
The monthly climate forecast bulletin is for trend forecasting. The meteorological agency recommends that in the context of climate change, weather, and climate are increasingly complicated with many dangerous and extreme forms.
Therefore, it is proposed that all levels of government and people regularly update and integrate forecast information and hydrometeorological warnings in 1-3-day short-term bulletins, to promptly adjust production plans and appropriate response plans to ensure safety for production and people's livelihoods.
