Last updated: March 2, 2024
The weather in Tiruvallur, India, during September is characterized by an average temperature of 29°C (85°F). Highs can soar to 36°C (97°F), while lows may dip to 25°C (76°F). Typically, the humidity level in Tiruvallur throughout September hovers around 79%.
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Average temperature
Maximum temperature
Humidity
In September, Tiruvallur averages 142 mm (5.6 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 12 hours 10 minutes of daylight, with the sun shining for approximately 9 hours 44 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Tiruvallur reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 2 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||