Last updated: March 2, 2024
The weather in Osu, Nigeria, during September is characterized by an average temperature of 25°C (77°F). Highs can soar to 31°C (89°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Osu throughout September hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Osu averages 244 mm (9.6 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 8 minutes of daylight, with the sun shining for approximately 8 hours 7 minutes each day. Additionally, there is a 11% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Osu 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 | 2 | 4 | 7 | 10 | 12 | 12 | 11 | 7 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 25 min | 30 min | 45 min | |||||