Weather Comparison
Side-by-side weather comparison for September
| Metric | Kuala Lumpur | Singapore | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F)▲ | 29°C (84°F) | Kuala Lumpur |
| Average LowHigher is milder | 23°C (73°F) | 25°C (77°F)▲ | Singapore |
| Rain DaysFewer is drier | 25 days | 24 days▲ | Singapore |
| PrecipitationLess is drier | 236 mm | 171 mm▲ | Singapore |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 9 km/h▲ | 13 km/h | Kuala Lumpur |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Singapore edges ahead as the better destination in September. Singapore offers 10 hours of daily sunshine with only 24 rain days, while Kuala Lumpur sees 10 sunshine hours and 25 rain days.
Kuala Lumpur can feel quite hot at 30°C, so plan for heat. Singapore runs hot at 29°C.
For travelers who prioritize dry weather, Singapore is the stronger choice in September.
Kuala Lumpur reaches an average high of 30°C (86°F) and drops to 23°C (73°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Singapore averages 29°C (84°F) for the high and 25°C (77°F) for the low, with a daily range of 4°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Kuala Lumpur receives approximately 236 mm of rainfall across 25 rain days during September. Rain is frequent, so waterproof gear is essential.
Singapore sees 171 mm over 24 rain days. That makes Singapore the drier option by 1 rain day and 65 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 30°C, lows of 23°C, 25 rain days
Highs of 29°C, lows of 25°C, 24 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Kuala Lumpur | Singapore | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 29°C | 21d | 28°C | 22d |
| Feb | 30°C | 18d | 29°C | 18d |
| Mar | 30°C | 26d | 29°C | 24d |
| Apr | 30°C | 28d | 29°C | 27d |
| May | 30°C | 27d | 29°C | 28d |
| Jun | 30°C | 23d | 29°C | 24d |
| Jul | 30°C | 24d | 28°C | 24d |
| Aug | 30°C | 25d | 28°C | 25d |
| Sep | 30°C | 25d | 29°C | 24d |
| Oct | 30°C | 27d | 29°C | 26d |
| Nov | 29°C | 28d | 28°C | 28d |
| Dec | 29°C | 26d | 28°C | 27d |
Kuala Lumpur Weather in September
Full forecast, packing tips, and activities
Singapore Weather in September
Full forecast, packing tips, and activities