Kuala Lumpur weather in September
September in Kuala Lumpur: sweltering, soaked, with poor air quality — a fair time to visit.
#7 of 12 months in Kuala Lumpur · #542 of 604 destinations to visit in September · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Kuala Lumpur climate normals — September
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 237 mm / 9.3 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 9 h/day | |
| Daylight | 12.1 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 115 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kuala Lumpur in September — FAQ
- Is September a good time to visit Kuala Lumpur?
- September in Kuala Lumpur: sweltering, soaked, with poor air quality — a fair time to visit. It ranks #7 of 12 months for Kuala Lumpur on SeasonMap's comfort score (56/100).
- What is the weather like in Kuala Lumpur in September?
- In September, Kuala Lumpur averages a daily high of 30.1°C and a low of 23.4°C, with about 236.9 mm of rain over roughly 24.6 rainy days.
- What is the air quality in Kuala Lumpur in September?
- Kuala Lumpur has a mean US Air Quality Index of about 115 in September.