Last updated: March 2, 2024
The weather in Semmes, United States, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 34°C (94°F), while lows may dip to 16°C (62°F). Typically, the humidity level in Semmes throughout September hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In September, Semmes averages 149 mm (5.9 inches) of rainfall, typically over the course of 14 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 45% probability of sunny days during this period.
Precipitation
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Chance of sun
In September, the UV Index in Semmes 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 | |||||||