Singapore · AutumnMonth summary
Singapore weather in September
✅ Good
🌡️ Temperature min / max
77°F – 86°F
🌧 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)
Quick decision
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.
Our take: September is a good time to visit Singapore. February remains slightly better (+0.2 pts).
By trip type
Singapore in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Singapore is often underrated: 30°F, 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.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 75°F | 84°F | 83% | 0.4in | 10.3h | 7.1/10 |
| ⛅ February | 75°F | 86°F | 68% | 0.2in | 11.0h | 7.2/10 |
| ⛅ March | 75°F | 86°F | 82% | 0.3in | 11.0h | 7.0/10 |
| 🌦️ April | 75°F | 86°F | 92% | 0.4in | 10.8h | 7.0/10 |
| 🌦️ May | 77°F | 86°F | 91% | 0.4in | 10.3h | 7.0/10 |
| ⛅ June | 77°F | 86°F | 84% | 0.4in | 10.1h | 7.0/10 |
| ⛅ July | 77°F | 86°F | 75% | 0.3in | 10.8h | 7.1/10 |
| ⛅ August | 77°F | 86°F | 83% | 0.3in | 10.6h | 7.0/10 |
| ⛅ September | 77°F | 86°F | 82% | 0.3in | 10.2h | 7.0/10 |
| 🌧️ October | 75°F | 86°F | 88% | 0.4in | 9.8h | 7.0/10 |
| 🌧️ November | 75°F | 86°F | 93% | 0.5in | 8.8h | 5.8/10 |
| 🌧️ December | 75°F | 84°F | 90% | 0.4in | 9.5h | 7.0/10 |
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 86°F, 82% rainy days and 10.2h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs February (best month)
The best month is February (score 7.2/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : -14%
- ☀️ Sunshine : +0.8h/day
FAQ
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.
Accommodation
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Activities & tours
Activities and tours in Singapore
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