SINGAPORE — Singapore residents should be prepared for thundery showers across many parts of the island on Friday, Sept. 11, with rain expected to develop during the late morning and continue into the early afternoon.
Despite the expected showers, temperatures could still climb to a high of 34 degrees Celsius, bringing another day of hot and humid weather conditions.
So before heading out, Singaporeans may want to keep an umbrella close — because the weather could change quickly.
Thundery Showers Expected Over Many Areas
The latest weather forecast indicates that thundery showers are expected to affect many areas of Singapore during the late morning and early afternoon.
Temperatures are forecast to range between 24 degrees Celsius and 34 degrees Celsius, while relative humidity could range from 60 per cent to 95 per cent.
Winds are expected to blow mainly from the south at around 10kmh to 25kmh.
The combination of high temperatures and humidity means conditions could remain uncomfortable even before or after the rain.
Rain May Bring Temporary Relief From Heat
Singapore has experienced a spell of generally warm and humid weather in early September.
Daily maximum temperatures have frequently ranged between 33 degrees Celsius and 35 degrees Celsius, with some days becoming even hotter.
The expected showers may provide temporary relief from the heat.
However, the rain could also lead to sudden changes in weather conditions, including:
- Reduced visibility for motorists
- Wet and slippery roads
- Possible lightning activity
- Sudden heavy downpours
- Stronger winds during thunderstorms
For commuters, the biggest challenge may be timing — a sunny morning could quickly turn into a heavy downpour.
Warm and Humid Conditions Continue
Even with rain in the forecast, Singapore is expected to remain warm and humid.
The minimum temperature could fall to around 24 degrees Celsius, while the maximum is expected to reach about 34 degrees Celsius.
High humidity could make the day feel even warmer, particularly during periods without rain.
Residents planning outdoor activities are advised to remain alert to changing weather conditions.
Drivers Urged to Stay Alert
Heavy rain can quickly affect road conditions and visibility.
Motorists travelling during periods of thundery showers may need to exercise extra caution, particularly on expressways and roads where water can accumulate quickly during intense downpours.
Drivers should:
- Slow down on wet roads
- Maintain a safe distance from other vehicles
- Watch for sudden reductions in visibility
- Avoid driving through flooded areas
- Stay alert for weather-related traffic disruptions
Pedestrians and cyclists should also take precautions during thunderstorms and seek shelter when lightning is present.
Singapore’s Weather Can Change Quickly
Singapore’s tropical climate means weather conditions can shift rapidly, especially when thunderstorms develop.
The first half of September has generally been characterised by dry and warm conditions, although localised short-duration thundery showers have remained possible on some days.
Weather patterns can also vary significantly across different parts of the island.
While one area experiences heavy rain, another may remain dry or sunny.
That means Singaporeans could see dramatically different weather conditions depending on where they are during the day.
Keep an Eye on Weather Updates
Residents with outdoor plans are encouraged to monitor the latest weather forecasts and short-term updates throughout the day.
This is particularly important for:
- Outdoor workers
- Students
- Motorists
- Delivery riders
- Sports participants
- Event organisers
- Families planning outdoor activities
Thunderstorms can develop quickly, and conditions may change within a short period.
The Bottom Line
Thundery showers are expected over many parts of Singapore during the late morning and early afternoon on Friday, Sept. 11, while temperatures could still reach 34 degrees Celsius.
Residents can expect a hot, humid and potentially wet day, with sudden downpours possible in affected areas.
Motorists and those planning outdoor activities should remain alert as weather conditions can change rapidly.
The morning may begin with heat and humidity — but as the clouds build over Singapore, the big question is: Will the afternoon bring a brief shower, or another intense thunderstorm capable of disrupting the day?
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