Last updated: March 2, 2024
The weather in Greytown, South Africa, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 35°C (95°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Greytown throughout September hovers around 85%.
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Average temperature
Maximum temperature
Humidity
In September, Greytown averages 38 mm (1.5 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 11 hours 55 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Greytown reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 3 | 5 | 8 | 10 | 10 | 9 | 6 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 15 min | 25 min | 30 min | 45 min | |||||||