Last updated: August 22, 2025
In San Carlos, Argentina, the average temperature in September hovers around 13°C (55°F). However, don't be surprised by the extremes, as temperatures can dip as low as -5°C (24°F) or rise to a sweltering 31°C (88°F). Expect a modest precipitation of 8 mm (0.3 in) over just 2 days, and enjoy an average humidity level of 58% that adds to the overall climate experience.
In September in San Carlos, the average temperature is 13°C (55°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as -5°C (24°F). Be prepared for a wide range of weather conditions while traveling in San Carlos during this month.
In San Carlos in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.
In San Carlos in September humidity is 58%. With an average temperature of 13°C (55°F), this humidity feels like a cool, crisp day that refreshes your senses while you explore, making it perfect for leisurely walks and sightseeing without feeling overheated.
In San Carlos in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Carlos.
UV Risk Categories
Weather in San Carlos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Carlos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 18°C (65°F) | 103 mm (4.1 inches) | 79% | extreme |
| February Weather | 17°C (62°F) | 117 mm (4.6 inches) | 81% | extreme |
| March Weather | 16°C (61°F) | 71 mm (2.8 inches) | 83% | extreme |
| April Weather | 15°C (58°F) | 29 mm (1.2 inches) | 85% | extreme |
| May Weather | 12°C (53°F) | 8 mm (0.3 inches) | 75% | very high |
| June Weather | 9°C (49°F) | 5 mm (0.2 inches) | 62% | high |
| July Weather | 9°C (48°F) | 4 mm (0.1 inches) | 53% | very high |
| August Weather | 10°C (51°F) | 4 mm (0.2 inches) | 44% | very high |
| September Weather | 13°C (55°F) | 8 mm (0.3 inches) | 58% | extreme |
| October Weather | 15°C (60°F) | 18 mm (0.7 inches) | 54% | extreme |
| November Weather | 17°C (63°F) | 55 mm (2.2 inches) | 66% | extreme |
| December Weather | 17°C (64°F) | 84 mm (3.3 inches) | 74% | extreme |