Singapore weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Singapore September weather at a glance
In September, Singapore averages 26.8°C, with typical highs of 30.5°C and lows of 23.9°C. The historical average is 26 wet days and 85% humidity.
Singapore September temperature & humidity
Singapore September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Singapore in September
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 26 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30.5°C
- Morning & eveningLight layer for air-conditioned rooms · average low 23.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Singapore September sunrise & sunset times
2026 September · Local time (Asia/Singapore)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 07:01 | 19:09 | 12h 8m |
| 2026-09-15 | 06:57 | 19:04 | 12h 7m |
| 2026-09-30 | 06:52 | 18:58 | 12h 6m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Singapore rainy season & dry season
Is September wet or dry?
Singapore has no distinct wet or dry season. Its meteorological service reports higher rainfall in November–January and the lowest rainfall in February. Pack for showers in every month. The 2024–2025 average for September is 26 wet days.
2024–2025 wet-day averages, not long-term season boundaries. Wet days do not mean all-day rain.
Packing for rainy and dry periods
For rainy periods, bring a light rain jacket, a waterproof pouch and quick-dry clothes. In drier months, pack sunscreen and a hat, plus a compact umbrella for showers. For beach trips, check the boat operator’s weather and cancellation notices.
Season guide: Meteorological Service Singapore
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Best months to visit Singapore
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Singapore weather like in September?
In September, Singapore averages 26.8°C, with typical highs of 30.5°C and lows of 23.9°C. The historical average is 26 wet days and 85% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Singapore in September?
There are about 26 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Singapore in September?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 26 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Singapore?
No months meet the A or B threshold in our temperature-and-precipitation score. Compare the monthly values with your planned activities.
Where can I check Singapore weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
Is September rainy or dry season in Singapore?
Singapore has no distinct wet or dry season. Its meteorological service reports higher rainfall in November–January and the lowest rainfall in February. Pack for showers in every month. The 2024–2025 average for September is 26 wet days.
Which months have fewer rainy days in Singapore?
In our 2024–2025 data, February, June, July have the fewest wet days. These are recent observations, not long-term climate normals. Compare temperatures and your planned activities as well.
What time are sunrise and sunset in Singapore in September?
On 2026-09-15, calculated sunrise is 06:57 and sunset is 19:04 in local time (Asia/Singapore). Times vary by date and terrain.
Singapore weather by month
More Southeast Asia destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations