Last updated: March 2, 2024
The weather in San Jose, Argentina, during September is characterized by an average temperature of 20°C (68°F). Highs can soar to 35°C (96°F), while lows may dip to 9°C (48°F). Typically, the humidity level in San Jose throughout September hovers around 54%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, San Jose averages 103 mm (4.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 56 minutes of daylight, with the sun shining for approximately 8 hours 48 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in San Jose reaches a maximum of 10, 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 | 6 | 8 | 10 | 10 | 8 | 6 | 3 | 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 | ||||||