Johor Bahru weather in September
September in Johor Bahru: hot, soaked, with very humid — a gamble, with 24 rainy days.
#6 of 12 months in Johor Bahru · #782 of 897 destinations to visit in September · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Johor Bahru in September
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Johor Bahru climate normals — September
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Rainfall | 207 mm / 8.1 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 12.1 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 73 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Johor Bahru in September — FAQ
- Is September a good time to visit Johor Bahru?
- September in Johor Bahru: hot, soaked, with very humid — a gamble, with 24 rainy days. It ranks #6 of 12 months for Johor Bahru on SeasonMap's comfort score (61/100).
- What is the weather like in Johor Bahru in September?
- In September, Johor Bahru averages a daily high of 29.2°C and a low of 24.7°C, with about 207 mm of rain over roughly 24 rainy days.
- What is the air quality in Johor Bahru in September?
- Johor Bahru has a mean US Air Quality Index of about 73 in September.