More thundery showers expected for the rest of September, temperatures could drop to 24°C

More wet days are expected for the rest of September,  with daily temperatures forecast to go as low as 24 degree Celsius, the Meteorological Service Singapore said on Thursday (Sep 16).  

The prevailing Southwest Monsoon conditions are forecasted to persist for the rest of September. During which, the low-level winds are expected to blow mostly from the southeast or southwest, and occasionally shift to blow from the south in the later part of the month.

On most days, you can expect short-duration thundery showers over parts of the island between the late morning and afternoon. 

In addition, widespread thundery showers alongside gusty winds between the predawn and morning on some days. The overall rainfall for September is forecasted to be above average over most parts of the island.

The daily temperature for the rest of September is forecasted to range between 24 degrees Celsius and 33 degrees Celsius. Although showers are expected, the daily maximum temperature could still reach a blistering 34 degrees Celsius. 

Relatively warm, humid nights with a minimum night-time temperature of up to 28 degrees Celsius, particularly over the south-eastern parts of the island when prevailing southeast winds bring sultry air from the surrounding seas, can be expected on several days.

In the first half of September 2021, the highest daily recorded rainfall, at 123.66mm, was recorded at Ang Mo Kio. The lowest daily minimum temperature recorded during the period was 22 degrees Celsius at Tengah on Sep 7. 

Rainfall was above average over all parts of the island in the first half of September, with the total rainfall recorded at 119.2mm.