Last updated: March 2, 2024
The weather in Koyima, Sierra Leone, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (88°F), while lows may dip to 21°C (69°F). Typically, the humidity level in Koyima throughout September hovers around 92%.
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Average temperature
Maximum temperature
Humidity
In September, Koyima averages 477 mm (18.8 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 28 minutes each day. Additionally, there is a 14% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Koyima reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 2 | 4 | 8 | 11 | 13 | 14 | 12 | 9 | 5 | 2 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||