Last updated: March 2, 2024
The weather in Herstmonceux, United Kingdom, during September is characterized by an average temperature of 15°C (60°F). Highs can soar to 24°C (76°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Herstmonceux throughout September hovers around 80%.
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Humidity
In September, Herstmonceux averages 53 mm (2.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 34 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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In September, the UV Index in Herstmonceux 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 | ||||||||||