Krabi weather in September
September in Krabi: sweltering, soaked, with clean air — a good time to visit.
#11 of 12 months in Krabi · #492 of 604 destinations to visit in September · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Krabi climate normals — September
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 309 mm / 12.2 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 12.2 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Krabi?
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Krabi in September — FAQ
- Is September a good time to visit Krabi?
- September in Krabi: sweltering, soaked, with clean air — a good time to visit. It ranks #11 of 12 months for Krabi on SeasonMap's comfort score (63/100).
- What is the weather like in Krabi in September?
- In September, Krabi averages a daily high of 28.8°C and a low of 24.6°C, with about 309 mm of rain over roughly 24.8 rainy days.
- What is the air quality in Krabi in September?
- Krabi has a mean US Air Quality Index of about 31 in September.