Last updated: March 2, 2024
The weather in Puerto Williams, Chile, during September is characterized by an average temperature of 3°C (38°F). Highs can soar to 13°C (56°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Puerto Williams throughout September hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Puerto Williams averages 62 mm (2.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 11 hours 42 minutes of daylight, with the sun shining for approximately 7 hours 22 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Puerto Williams reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 3 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||