Last updated: March 2, 2024
The weather in Riaba, Equatorial Guinea, during September is characterized by an average temperature of 23°C (74°F). Highs can soar to 28°C (83°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Riaba throughout September hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Riaba averages 717 mm (28.2 inches) of rainfall, typically over the course of 30 rainy days. The month enjoys an average of 12 hours 6 minutes of daylight, with the sun shining for approximately 8 hours 38 minutes each day. Additionally, there is a 4% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Riaba 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 | 5 | 8 | 11 | 13 | 12 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||