Bandung weather in September
September in Bandung: warm, rainy, with poor air quality — fine if you can take poor air.
#3 of 12 months in Bandung · #606 of 897 destinations to visit in September · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bandung in September
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Bandung climate normals — September
| Daytime high | 29°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 141 mm / 5.6 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.1 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 134 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Bandung in September — FAQ
- Is September a good time to visit Bandung?
- September in Bandung: warm, rainy, with poor air quality — fine if you can take poor air. It ranks #3 of 12 months for Bandung on SeasonMap's comfort score (74/100).
- What is the weather like in Bandung in September?
- In September, Bandung averages a daily high of 28.6°C and a low of 19.9°C, with about 141.4 mm of rain over roughly 16 rainy days.
- What is the air quality in Bandung in September?
- Bandung has a mean US Air Quality Index of about 134 in September.