Last updated: March 2, 2024
The weather in Oranjestad, Aruba, during September is characterized by an average temperature of 28°C (83°F). Highs can soar to 29°C (85°F), while lows may dip to 26°C (78°F). Typically, the humidity level in Oranjestad throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Oranjestad averages 51 mm (2.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 10 minutes of daylight, with the sun shining for approximately 11 hours 14 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Oranjestad reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 2 | 4 | 7 | 11 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 25 min | 30 min | 45 min | ||||||