Last updated: March 2, 2024
The weather in Dieciocho de Julio, Uruguay, during September is characterized by an average temperature of 15°C (58°F). Highs can soar to 23°C (74°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Dieciocho de Julio throughout September hovers around 82%.
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Humidity
In September, Dieciocho de Julio averages 109 mm (4.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 53 minutes of daylight, with the sun shining for approximately 8 hours 12 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
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In September, the UV Index in Dieciocho de Julio reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 2 | 3 | 5 | 7 | 8 | 8 | 6 | 4 | 2 | 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 | ||||||