Dhaka, Sept. 26 -- Bangladesh Meteorological Department on Friday announced that a mild heatwave was sweeping over parts of Bangladesh, including the divisions of Rangpur and Sylhet.

This is the first time a heatwave has been officially announced this month, the last month of the four-month-long monsoon season.

"The heatwave might abate on Saturday," said Hafizur Rahman, a meteorologist at the BMD.

A heatwave occurs when the day's maximum temperature equals or exceeds 36degC in an extended area.

On Friday, Bangladesh's maximum temperature of 37.5degC was recorded in Saidpur of Rangpur. The day temperature also reached or exceeded 37degC in the Sylhet division.

Dhaka recorded a maximum day temperature of 34.4degC.

Heatwaves in Septem...