Last updated: March 2, 2024
The weather in Picayune, United States, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 35°C (95°F), while lows may dip to 16°C (61°F). Typically, the humidity level in Picayune throughout September hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In September, Picayune averages 136 mm (5.3 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 18 minutes of daylight, with the sun shining for approximately 9 hours 27 minutes each day. Additionally, there is a 46% 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 Picayune reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 3 | 5 | 8 | 10 | 10 | 9 | 7 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 15 min | 25 min | 30 min | 45 min | |||||||