Transit Desk

Climate

Weather in Singapore in September

Weather in Singapore, September
In September, Singapore sees average highs of 29.9°C (86°F) and lows of 24.2°C (76°F), with around 241 mm of rain. It is one of the best months to visit.

Singapore — September

Singapore September
Daytime high
29.9°C (86°F)
Overnight low
24.2°C (76°F)
Rainfall
241 mm
Best-time rank
Recommended month

How September compares

Singapore, September vs. the annual average (2025)
This month29.9°C (86°F) / 24.2°C (76°F) · 241 mm
Yearly average30.1°C (86°F) / 24°C (75°F) · 280 mm

September in Singapore runs about average for the year, and is drier than the yearly average. Pack layers you can adjust through the day — mild conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Singapore in September?

Average highs of 29.9°C (86°F) and lows of 24.2°C (76°F), with around 241 mm of rain.

Is September a good time to visit Singapore?

Yes — September is one of the more comfortable months in Singapore, based on temperature and rainfall.

Updated climate normals, 2025