Phuket weather in September
September in Phuket: hot, soaked, with clean air — a good time to visit.
#11 of 12 months in Phuket · #503 of 604 destinations to visit in September · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Phuket climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 301 mm / 11.9 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8 h/day | |
| Daylight | 12.2 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phuket in September — FAQ
- Is September a good time to visit Phuket?
- September in Phuket: hot, soaked, with clean air — a good time to visit. It ranks #11 of 12 months for Phuket on SeasonMap's comfort score (62/100).
- What is the weather like in Phuket in September?
- In September, Phuket averages a daily high of 28.3°C and a low of 26°C, with about 301.2 mm of rain over roughly 23 rainy days.
- What is the air quality in Phuket in September?
- Phuket has a mean US Air Quality Index of about 36 in September.