Last updated: August 22, 2025
In September, the average temperature in Puerto Santa Cruz, Argentina hovers around 8°C (47°F). Be prepared for a temperature range that can dip to a brisk -3°C (27°F) and rise to a pleasant 25°C (77°F). With an average humidity of 75%, the air feels quite moist. Expect 16 mm (0.6 in) of precipitation spread over 4 days, giving you a taste of seasonal change.
In September in Puerto Santa Cruz, the average temperature is 8°C (47°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -3°C (27°F). This diverse temperature range makes Puerto Santa Cruz an intriguing destination for travelers seeking both mild days and brisk evenings.
In Puerto Santa Cruz in September, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.
In Puerto Santa Cruz in September humidity is 75%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities quite uncomfortable and requiring you to bundle up to stay warm while navigating the misty streets.
In Puerto Santa Cruz 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 Santa Cruz.
UV Risk Categories
Weather in Puerto Santa Cruz varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puerto Santa Cruz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 29 mm (1.1 inches) | 70% | extreme |
| February Weather | 16°C (62°F) | 24 mm (1.0 inches) | 73% | very high |
| March Weather | 14°C (57°F) | 25 mm (1.0 inches) | 72% | high |
| April Weather | 10°C (51°F) | 25 mm (1.0 inches) | 77% | moderate |
| May Weather | 6°C (44°F) | 25 mm (1.0 inches) | 80% | low |
| June Weather | 3°C (37°F) | 23 mm (0.9 inches) | 81% | low |
| July Weather | 3°C (38°F) | 17 mm (0.7 inches) | 81% | low |
| August Weather | 5°C (42°F) | 21 mm (0.8 inches) | 79% | moderate |
| September Weather | 8°C (47°F) | 16 mm (0.6 inches) | 75% | moderate |
| October Weather | 11°C (51°F) | 20 mm (0.8 inches) | 72% | very high |
| November Weather | 14°C (57°F) | 26 mm (1.0 inches) | 69% | extreme |
| December Weather | 16°C (61°F) | 30 mm (1.2 inches) | 70% | extreme |