Last updated: August 22, 2025
In San Miguel, Argentina, the average temperature in September hovers around 20°C (68°F), offering a pleasant climate. However, temperatures can dip to a brisk 7°C (45°F) or soar to a sweltering 39°C (102°F). Expect 100 mm (3.9 in) of precipitation spread over 10 days, contributing to a humidity level of 55%. Whether you're enjoying the sunny days or prepared for the occasional rain, there's plenty to appreciate in this vibrant locale!
In September in San Miguel, the average temperature is 20°C (68°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop to as low as 7°C (45°F). Be prepared for a wide range of temperatures if you plan to visit during this month.
In San Miguel in September, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.
In San Miguel in September humidity is 55%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it comfortable for traveling but slightly sticky, encouraging leisurely strolls and relaxed outdoor activities.
In San Miguel in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Miguel.
UV Risk Categories
Weather in San Miguel varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Miguel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 28°C (82°F) | 159 mm (6.3 inches) | 66% | extreme |
| February Weather | 27°C (80°F) | 69 mm (2.7 inches) | 61% | extreme |
| March Weather | 25°C (77°F) | 135 mm (5.3 inches) | 71% | extreme |
| April Weather | 22°C (72°F) | 124 mm (4.9 inches) | 81% | very high |
| May Weather | 18°C (65°F) | 135 mm (5.3 inches) | 84% | high |
| June Weather | 16°C (62°F) | 79 mm (3.1 inches) | 76% | moderate |
| July Weather | 15°C (60°F) | 54 mm (2.1 inches) | 64% | moderate |
| August Weather | 17°C (63°F) | 59 mm (2.3 inches) | 46% | high |
| September Weather | 20°C (68°F) | 100 mm (3.9 inches) | 55% | very high |
| October Weather | 23°C (73°F) | 103 mm (4.1 inches) | 57% | extreme |
| November Weather | 25°C (77°F) | 138 mm (5.4 inches) | 59% | extreme |
| December Weather | 27°C (80°F) | 119 mm (4.7 inches) | 75% | extreme |