Last updated: August 22, 2025
In September, the average temperature in General San Martin, Argentina hovers around 12°C (54°F). Expect a minimum of -4°C (25°F) and a peak reaching up to 28°C (83°F). During this time, precipitation typically totals 51 mm (2.0 in) over the course of 5 days, while the average humidity sits at a moderate 59%.
In September in General San Martin, the average temperature is 12°C (54°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -4°C (25°F). This variation makes General San Martin a destination where travelers should be prepared for both warm days and chilly nights.
In General San Martin in September, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.
In General San Martin in September, humidity is 59%. With an average temperature of 12°C (54°F), this humidity feels like a cool, refreshing breeze that slightly chills the air while adding a layer of moisture, making it ideal for leisurely exploration but possibly requiring a light jacket for comfort during outdoor activities.
In General San Martin in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in General San Martin.
UV Risk Categories
Weather in General San Martin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in General San Martin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 31 mm (1.2 inches) | 46% | extreme |
| February Weather | 22°C (72°F) | 38 mm (1.5 inches) | 52% | extreme |
| March Weather | 19°C (67°F) | 70 mm (2.7 inches) | 61% | very high |
| April Weather | 16°C (61°F) | 70 mm (2.8 inches) | 70% | high |
| May Weather | 11°C (52°F) | 41 mm (1.6 inches) | 72% | moderate |
| June Weather | 8°C (47°F) | 34 mm (1.3 inches) | 68% | moderate |
| July Weather | 7°C (46°F) | 29 mm (1.1 inches) | 66% | moderate |
| August Weather | 10°C (49°F) | 17 mm (0.7 inches) | 60% | moderate |
| September Weather | 12°C (54°F) | 51 mm (2.0 inches) | 59% | high |
| October Weather | 15°C (59°F) | 42 mm (1.6 inches) | 49% | very high |
| November Weather | 19°C (66°F) | 78 mm (3.1 inches) | 45% | extreme |
| December Weather | 22°C (72°F) | 59 mm (2.3 inches) | 41% | extreme |