Last updated: March 2, 2024
The weather in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha, during September is characterized by an average temperature of 12°C (54°F). Highs can soar to 16°C (60°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Edinburgh of the Seven Seas throughout September hovers around 78%.
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In September, Edinburgh of the Seven Seas averages 97 mm (3.8 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 11 hours 52 minutes of daylight, with the sun shining for approximately 7 hours 24 minutes each day. Additionally, there is a 22% probability of sunny days during this period.
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In September, the UV Index in Edinburgh of the Seven Seas reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 1 | 2 | 4 | 6 | 7 | 8 | 7 | 5 | 3 | 1 | 1 | 0 |
| 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 | ||||||