Last updated: March 2, 2024
The weather in Ushuaia, Argentina, during September is characterized by an average temperature of 1°C (34°F). Highs can soar to 9°C (49°F), while lows may dip to -8°C (18°F). Typically, the humidity level in Ushuaia throughout September hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Ushuaia averages 64 mm (2.5 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 11 hours 42 minutes of daylight, with the sun shining for approximately 6 hours 24 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Ushuaia reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 0 | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||