According to the National Centre for Hydro-meteorological Forecasting, the cold spell is predicted to bring showers to northern provinces on the evening of September 21.

The centre also warned of a possible whirlwind and hailstorms occurring in some areas.  The temperature will drop to between five and six degrees Celsius, with the night of September 22 seeing c6old temperatures.

In Hanoi, the highest temperature is expected to be 24 degrees Celsius from the morning of September 23. The first cold spell of the autumn-winter season will last through to September 30.

VOV