Last updated: March 2, 2024
The weather in Glandwr, United Kingdom, during September is characterized by an average temperature of 15°C (59°F). Highs can soar to 21°C (70°F), while lows may dip to 9°C (48°F). Typically, the humidity level in Glandwr throughout September hovers around 79%.
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Average temperature
Maximum temperature
Humidity
In September, Glandwr averages 112 mm (4.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 35 minutes of daylight, with the sun shining for approximately 10 hours 26 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Glandwr reaches a maximum of 6, 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 | ||||||||||