End of the drier season · Weather & things to do
Singapore in September
Little changes in Singapore from August: highs stay near 85°F (29°C), lows near 77°F (25°C), and about 6.6 in (167 mm) of rain falls.
Our comfort score puts it mid-table at 49/100, 6th of 12.
- Avg high
- 85°F (29°C)
- Avg low
- 77°F (25°C)
- Rain
- 6.6 in (167 mm)
- Humidity
- 83%
- Cloud cover
- 80%
- Daylight
- ~12 h 00 min
- Comfort score
- 49/100 · Fair
What September feels like
Days are warm, averaging 85°F (29°C).
Nights stay warm too, with lows averaging 77°F (25°C).
With 83% average humidity, it feels muggy.
Rain is a real factor, with about 6.6 in (167 mm) across the month.
Skies are often grey, with average cloud cover around 80%.
Plan around September
September sits mid-table; the best months are February.
- Comfort holds steady from August (50 → 49/100).
- Our Singapore, Malacca & Kuala Lumpur route recommends Feb – Apr, Jun – Aug, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes85°F afternoons
- Quick-dry fabrics83% average humidity
- Rain jacket and waterproof shoes6.6 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Singapore in September
Weather can go either way, so the picks below mix open-air spots with indoor backups.
MacRitchie Reservoir TreeTop Walk
Rainforest trails to a suspension bridge above the canopy.
Why now Highs near 85°F keep it comfortable outside.
Little India
Temples, spice shops and Tekka Centre's food stalls along Serangoon Road.
Why now Mild enough in September to enjoy at an easy pace.
Long Bar at Raffles Hotel
Birthplace of the Singapore Sling, where peanut shells go on the floor.
Maxwell Food Centre
Chinatown hawker center known for Tian Tian Hainanese chicken rice.
National Gallery Singapore
Southeast Asian art in the former Supreme Court and City Hall buildings.
Nearby in September
- Malacca in September~127 mi · highs 85°F, 6.7 in rain · similar daytime temperatures, about as wet
- Kuala Lumpur in September~197 mi · highs 85°F, 7.7 in rain · similar daytime temperatures, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Singapore in September: quick answers
Is September a good time to visit Singapore?
It's middling, scoring 49/100. The best months are February, at up to 59. Expect highs of 85°F (29°C) and 6.6 in (167 mm) of rain. Our Singapore, Malacca & Kuala Lumpur route recommends Feb – Apr, Jun – Aug, so September is outside its suggested window.
How hot is Singapore in September?
Average highs are 85°F (29°C) and average lows 77°F (25°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Singapore in September?
Yes: about 6.6 in (167 mm) of rain falls across September on average, the 3rd-driest month of the year. The annual total is about 93.2 in (2368 mm).
What should I pack for Singapore in September?
Bring light, breathable clothes (85°F afternoons), quick-dry fabrics (83% average humidity), rain jacket and waterproof shoes (6.6 in of rain on average) and comfortable walking shoes (most picks involve some walking).
More on Singapore
Planning Singapore in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.