Last updated: March 2, 2024
The weather in Bangkok, Thailand, during September is characterized by an average temperature of 29°C (84°F). Highs can soar to 35°C (95°F), while lows may dip to 25°C (77°F). Typically, the humidity level in Bangkok throughout September hovers around 87%.
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Average temperature
Maximum temperature
Humidity
In September, Bangkok averages 245 mm (9.6 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 8 hours 56 minutes each day. Additionally, there is a 10% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Bangkok reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 5 | 9 | 12 | 13 | 12 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||