SeasonScore
Singapore, Singapore
Photo: Khairul Nizam · CC BY 2.0

Singapore

Singapore in September

🌦️ Southwest monsoon

Hot, humid and some showers.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics

Best months: Aug (8.0), Sep (8.0), Jun (7.8)

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Why September scores 8.0What goes into the score

How it works
🌡️ 32° / 25°C🌧️ 125 mm💧 dew pt 24°🍃 PM2.5 15
  • Weather comfort6.8
    • ✓Hot (32°C highs / 25°C lows)
    • !Very humid/sticky (dew point 24.2°C)
    • !Wet: ~125 mm rain, ~4 heavy-rain days
  • Air quality8.5
    • ✓Good (within WHO guideline) (PM2.5 ~15 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepAug
Score8.0 Very good8.0 Very good
Season🌦️ Southwest monsoon🌦️ Southwest monsoon
High / low32° / 25°31° / 25°
Rain125 mm147 mm
Humiditydew pt 24°dew pt 25°
PM2.515 µg/m³14 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Singapore weather-station normals. Rainfall: Singapore weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Singapore this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore SingaporeEvents, sights, food & souvenirs

A compact island city-state where hawker food, gardens and four cultures (Chinese, Malay, Indian, Eurasian) sit side by side.

Events in September
Hungry Ghost FestivalDate varies7th lunar month — usually August to September

Offerings, burning of joss paper and getai (live stage shows) for wandering spirits.

Why go: A glimpse of everyday heritage; be respectful around offerings on pavements.

Where: Housing estates and Chinese temples island-wide

Coming up later

DeepavaliConfirmed8 November 2026 (public holiday; in-lieu 9 Nov). Little India light-up runs for weeks before.

The Hindu festival of lights: street light-up, bazaars and temple celebrations.

Why go: Evenings in Little India are festive and photogenic; very busy on the weekend before.

Where: Little India (Serangoon Road) · Ministry of Manpower public holidays 2026

Singapore Grand PrixConfirmed9–11 October 2026 (next edition: check F1 calendar)

Formula 1's original night race, plus concerts.

Why go: Hotel prices spike and roads around the Padang close that week.

Where: Marina Bay Street Circuit · LTA OneMotoring

Christmas on Orchard RoadDate variesUsually mid-November to early January

Light-up along the shopping belt with markets and mall displays.

Why go: Fun evening walk; coincides with the wetter northeast-monsoon season.

Where: Orchard Road

Plan this tripTickets, data and transfers for Singapore

Airport transfer Kiwitaxi

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