Last updated: March 2, 2024
The weather in Penysarn, United Kingdom, during September is characterized by an average temperature of 15°C (59°F). Highs can soar to 19°C (66°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Penysarn throughout September hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Penysarn averages 109 mm (4.3 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 37 minutes of daylight, with the sun shining for approximately 10 hours 34 minutes each day. Additionally, there is a 23% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Penysarn reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||