Last updated: March 2, 2024
The weather in Sierro, Spain, during September is characterized by an average temperature of 20°C (68°F). Highs can soar to 31°C (87°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Sierro throughout September hovers around 61%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Sierro averages 67 mm (2.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 11 hours 20 minutes each day. Additionally, there is a 56% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Sierro reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 | 0 | 1 | 1 | 2 | 4 | 7 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||