Last updated: March 2, 2024
The weather in Nacogdoches, United States, during September is characterized by an average temperature of 26°C (80°F). Highs can soar to 36°C (98°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Nacogdoches throughout September hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In September, Nacogdoches averages 115 mm (4.5 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 18 minutes of daylight, with the sun shining for approximately 9 hours 12 minutes each day. Additionally, there is a 53% probability of sunny days during this period.
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In September, the UV Index in Nacogdoches reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 1 | 2 | 4 | 7 | 9 | 10 | 9 | 7 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||