September weather forecast
Singapore

September in Singapore represents the continuation of the Southwest Monsoon season. This month witnesses a slight increase in rainfall compared to August, with an average of 180mm (7.09"). As with the previous months, rain typically occurs in the form of afternoon thunderstorms.

Average daily temperatures during September remain steady, ranging from 25°C (77°F) to 31°C (87.8°F). The weather continues to be hot and humid, with humidity levels usually exceeding 70%. Despite being in the Monsoon season, wind levels remain light to moderate, providing limited relief from the heat and humidity.

Geographical variations within Singapore are minor, due to its small size. However, regions of higher altitude, such as Bukit Timah, may receive marginally more rainfall due to orographic influences.

Compared to August, September experiences a slight increase in rainfall, while temperatures remain largely unchanged. Looking ahead to October, Singapore transitions into the second inter-monsoon period, marked by higher rainfall and relatively stable temperatures.

---

• Singapore - September »
  Singapore's weather in September carries forward the climate characteristics of August, exhibiting limited change in rainfall, temperature or humidity. Singapore's temperature in September lowers to a consistent average of 24.2°C (75.6°F) during the nights.
• Punggol - September »
  In Punggol during September, the rain falls for 19 days and regularly aggregates up to 34mm (1.34") of precipitation. A decrease in rainfall figures is noticed, making September a favourite among tourists visiting Punggol, Singapore.
• Choa Chu Kang - September »
  In Choa Chu Kang during September, the rain falls for 25.4 days and regularly aggregates up to 75mm (2.95") of precipitation. Summing up, September in Choa Chu Kang promises clear sunny days and low rainfall, allowing residents and visitors to enjoy the city's manifold attractions.
• Bukit Timah - September »
  The month with the least rainfall in Bukit Timah is September, when the rain falls for 25.4 days and typically collects 75mm (2.95") of precipitation. In September, despite the mercury inching upwards to 30.7°C (87.3°F), Bukit Timah, Singapore commences its transition into the later months of the year.
• Bedok - September »
  The month with the least rainfall in Bedok is September, when the rain falls for 23.6 days and typically collects 72mm (2.83") of precipitation. The months with the lowest humidity in Bedok are September and October, with an average relative humidity of 73%.
• Pasir Ris New Town - September »
  The month with the least rainfall in Pasir Ris New Town is September, when the rain falls for 23.6 days and typically collects 72mm (2.83") of precipitation. The months with the lowest humidity in Pasir Ris New Town are September and October, with an average relative humidity of 73%.
• Jurong East - September »
  On the first day of September in Jurong East sunrise is at 07:00 and sunset at 19:09. On the last day of September, in Jurong East, sunrise is at 06:51 and sunset at 18:58 +08.