The Bangladesh Meteorological Department (BMD) has forecast that two to three low-pressure systems may develop over the Bay of Bengal in September, with at least one likely to intensify into a depression.
The forecast was made in the monthly long-term outlook released on Monday.
It said major rivers are expected to maintain normal flow throughout September but heavy rains could trigger flash floods in the northern, north-eastern and south-eastern regions of the country.
According to the bulletin, the country is likely to experience normal rainfall during the month.
Besides, both day and night temperatures may remain slightly above the average and 1-2 mild (36-37.9)°C heat waves are likely at places over the country.
Meanwhile, the agro meteorological outlook suggests that daily average evaporation may range between 3 to 5 millimetres, while average bright sunshine duration is expected to be 5 to 7 hours.
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