SG Singapore · Autumn

Singapore in September
what's the weather like?

Singapore in September: solid, though February remains peak.

Open-Meteo · 10 years · 12 months compared · 1.35°N 103.82°E
30°CMax temperature
82%Rainy days
10.2hSunshine / day

Singapore weather in September

✅ Good
🌡️ Temperature min / max
25°C – 30°C
🌧 Rainy days
82% of days
☀️ Sunshine
10.2h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
February (7.2/10)

Should you visit Singapore in September?

✅ Good

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : ████████░░ 82%
🌡 Temperature : ████████░░ 30°C
☀️ Sunshine : ███████░░░ 10.2h/d

Our take: Favourable conditions in September (7.0/10). February scores higher but the gap is small.

Singapore in September by trip type

What to expect in September

🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Singapore is often underrated: 30°C, golden light and declining crowds. An interesting window. With 82% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. February (7.2/10) is significantly better if possible.

All months for Singapore

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
⛅ January24°C29°C83%9.410.3h7.1/10
⛅ February24°C30°C68%4.311.0h7.2/10
⛅ March24°C30°C82%7.311.0h7.0/10
🌦️ April24°C30°C92%10.110.8h7.0/10
🌦️ May25°C30°C91%10.010.3h7.0/10
⛅ June25°C30°C84%9.710.1h7.0/10
⛅ July25°C30°C75%6.510.8h7.1/10
⛅ August25°C30°C83%7.810.6h7.0/10
⛅ September25°C30°C82%7.310.2h7.0/10
🌧️ October24°C30°C88%9.79.8h7.0/10
🌧️ November24°C30°C93%12.48.8h5.8/10
🌧️ December24°C29°C90%10.39.5h7.0/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Singapore averages 30°C, 82% rainy days and 10.2h of sunshine per day. Overall weather score: 7.0/10. See methodology →

September vs February (best month)

The best month is February (score 7.2/10). Difference:

FAQ — Singapore in September

Is September a good time to visit Singapore?
September is an acceptable time for Singapore (score 7.0/10). Conditions are decent but not optimal — consider February (7.2/10) if possible.
Does it rain a lot in Singapore in September?
Yes, 82% of days see rain in September. Plan some indoor activities as backup.

Find a place to stay in Singapore

Find places to stay in Singapore in September Search on Hotels.com

Activities and tours in Singapore

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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