According to the National Center for Hydro-Meteorological Forecasting, on September 29, a band of bad weather appeared causing rain in the North before the monsoon arrived. The North and Thanh Hoa regions had moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain with total rainfall ranging from 50-100mm, locally over 200mm.
The Hydrometeorological Station of the Northern Delta and Midlands forecasts that around September 30 and October 1, the North will receive another cold spell of quite strong intensity causing scattered showers and thunderstorms; the weather will turn cold, with the lowest temperature at 21-22 degrees Celsius, and in mountainous areas, below 20 degrees Celsius.
Other areas will have sunny days, scattered showers and thunderstorms in the late afternoon and evening; in the Central Highlands and the South, scattered showers and thunderstorms will occur in the late afternoon and evening of September 30.
The provinces of Hoa Binh, Thanh Hoa, Dak Nong, and Lam Dong are forecast to have rain with the following common rainfall amounts: Hoa Binh, Thanh Hoa, and Dak Nong from 20-50mm, some places over 70mm; Lam Dong from 10-30mm, some places over 50mm.
Hanoi
Lowest temperature: 25-27 degrees Celsius.
Highest temperature: 32-34 degrees Celsius, some places above 34 degrees Celsius.
Cloudy, sunny during the day, some showers at night. Southeast wind level 2-3.
Northwest
Lowest temperature: 23-26 degrees Celsius, some places below 23 degrees Celsius.
Highest temperature: 32-35 degrees Celsius.
Cloudy, sunny day; scattered showers and thunderstorms at night, locally heavy rain. Light wind.
Northeast
Lowest temperature: 24-27 degrees Celsius, in mountainous areas below 24 degrees Celsius.
Highest temperature: 31-34 degrees Celsius, in some places above 34 degrees Celsius.
Cloudy, sunny during the day; rain in some places at night, especially in mountainous and midland areas, scattered showers and thunderstorms at night, locally heavy rain in some places. Southeast wind level 2-3.
Thanh Hoa - Thua Thien Hue
Lowest temperature: 25-28 degrees C.
Highest temperature: 31-34 degrees C.
Cloudy, sunny during the day, showers and thunderstorms in some places in the evening and at night. Light wind.
Da Nang to Binh Thuan
Lowest temperature: 25-28 degrees C.
Highest temperature: 31-34 degrees C.
Cloudy, sunny during the day, showers and thunderstorms in some places in the evening and at night. Light wind.
Central Highlands
Lowest temperature: 20-23 degrees C.
Highest temperature: 30-33 degrees C.
Cloudy, sunny during the day, showers and thunderstorms in some places in the evening and at night. Light wind.
Southern Vietnam
Lowest temperature: 24-27 degrees C.
Highest temperature: 31-34 degrees C.
Cloudy, sunny during the day, showers and thunderstorms in some places in the evening and at night. Light wind.