Last updated: August 22, 2025
In September, the average temperature in Puerto San Julian, Argentina hovers around 8°C (46°F). Expect a chilly minimum of -1°C (31°F), with the mercury occasionally rising to a maximum of 20°C (68°F). During this time, the region receives approximately 16 mm (0.6 in) of precipitation over 5 days, contributing to an average humidity of 73%. Prepare accordingly for a mix of cool conditions and occasional showers!
In September in Puerto San Julian, the average temperature is 8°C (46°F). Maximum temperatures can reach 20°C (68°F), while minimums can dip as low as -1°C (31°F). This makes Puerto San Julian a great destination for travelers seeking a mild climate with a mix of cool and comfortable days.
In Puerto San Julian in September, the precipitation amount is 16 mm (0.6 in) spread over a duration of 5 days.
In Puerto San Julian in September humidity is 73%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less comfortable for traveling and often leaving you yearning for a warm shelter to escape the cool, moist air.
In Puerto San Julian in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Puerto San Julian.
UV Risk Categories
Weather in Puerto San Julian varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puerto San Julian, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 15°C (60°F) | 20 mm (0.8 inches) | 63% | extreme |
| February Weather | 16°C (61°F) | 18 mm (0.7 inches) | 67% | very high |
| March Weather | 14°C (57°F) | 23 mm (0.9 inches) | 67% | high |
| April Weather | 11°C (52°F) | 25 mm (1.0 inches) | 74% | moderate |
| May Weather | 8°C (46°F) | 23 mm (0.9 inches) | 78% | low |
| June Weather | 5°C (40°F) | 22 mm (0.9 inches) | 80% | low |
| July Weather | 4°C (40°F) | 18 mm (0.7 inches) | 81% | low |
| August Weather | 6°C (43°F) | 22 mm (0.8 inches) | 79% | moderate |
| September Weather | 8°C (46°F) | 16 mm (0.6 inches) | 73% | moderate |
| October Weather | 10°C (50°F) | 17 mm (0.7 inches) | 67% | very high |
| November Weather | 13°C (55°F) | 23 mm (0.9 inches) | 63% | extreme |
| December Weather | 15°C (59°F) | 24 mm (1.0 inches) | 61% | extreme |