According to the emergency flood information of the National Center for Hydro-Meteorological Forecasting, the flood on Thao River in Yen Bai is receding but is still above the historical flood level of 1968 (34.42m); in Phu Tho it is changing slowly.
On the Red River in Hanoi, the flood level is 10.76m, 0.26m above alert level 2 (BD2).
Floods on Lo River (Tuyen Quang, Phu Tho), Cau River (Bac Ninh), Thuong River (Bac Giang), Thai Binh River (Hai Duong), Red River (Hanoi), Hoang Long River (Ninh Binh) are rising; Luc Nam River (Bac Giang) is falling.
Warning in the next 12 to 24 hours, the water level at downstream stations of the Red River - Thai Binh River system will rise to level 3 and above. Rising flood water levels will cause flooding in low-lying areas along the river, alluvial areas outside the main dike, causing the riverside dikes to overflow, and landslides to seriously affect vulnerable locations in the dike system, embankments, and riverside works in the provinces of: Hanoi, Ha Nam, Nam Dinh, Hai Duong, Hung Yen, Thai Binh, Ninh Binh.
Residents and tourists are advised to be on guard against high risks of flooding in low-lying areas along rivers in the provinces of Lang Son, Cao Bang, Lao Cai, Yen Bai, Phu Tho, Bac Giang, Bac Kan, Thai Nguyen, and Hoa Binh; flash floods and landslides on steep slopes in mountainous areas of the North.

Weather Forecast September 11 in 10 tourist cities of Vietnam:
Hanoi
Lowest temperature: 24-25 degrees Celsius.
Highest temperature: 28-31 degrees Celsius.
Day and night with showers and thunderstorms, strong winds.
Ha Long
Lowest temperature: 24-25 degrees C.
Highest temperature: 27-31 degrees C.
Day and night with heavy thunderstorms and strong winds.
Ninh Binh
Lowest temperature: 24-25 degrees C.
Highest temperature: 27-31 degrees C.
Day and night with heavy thunderstorms and strong winds.
Hue
Lowest temperature: 23-25 degrees C.
Highest temperature: 32 degrees C.
Showers and thunderstorms day and night.
Danang
Lowest temperature: 25-26 degrees Celsius.
Highest temperature: 32 degrees Celsius.
Day and night with thunderstorms and strong winds.
Nha Trang
Lowest temperature: 24-26 degrees C.
Highest temperature: 29-34 degrees C.
Thunderstorms during the day, high UV index. Partly cloudy at night, no rain.
Dalat
Lowest temperature: 19-24 degrees C.
Highest temperature: 24-29 degrees C.
During the day there will be showers and thunderstorms, strong winds. At night there will be low clouds, no rain.
Ho Chi Minh City
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 31-33 degrees Celsius.
Scattered thunderstorms during the day, high UV index. Rain in some areas at night.
Vung Tau
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 31-32 degrees Celsius.
Day and night with heavy showers and thunderstorms, strong winds.
Phu Quoc
Lowest temperature: 25-28 degrees C.
Highest temperature: 29-32 degrees C.
Thunderstorms during the day, high UV index. Heavy rain at night, strong winds.