Last updated: March 2, 2024
The weather in Freetown, Sierra Leone, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 27°C (82°F), while lows may dip to 24°C (76°F). Typically, the humidity level in Freetown throughout September hovers around 89%.
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Average temperature
Maximum temperature
Humidity
In September, Freetown averages 579 mm (22.8 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 8 minutes of daylight, with the sun shining for approximately 7 hours 32 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
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In September, the UV Index in Freetown 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 | 1 | 4 | 7 | 10 | 13 | 13 | 12 | 9 | 5 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||