Last updated: August 22, 2025
In Julio de Castilhos, Brazil, the average temperature in September is a pleasant 17°C (63°F). You'll experience a range of temperatures, with a minimum dipping to a cool 4°C (39°F) and reaching a warm maximum of 32°C (90°F). Be prepared for some rain, as precipitation averages around 147 mm (5.8 in) over 12 days. Alongside the mild temperatures, the average humidity sits at a comfortable 74%, making it a refreshing time to visit!
In September in Julio de Castilhos, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop as low as 4°C (39°F). It's advisable to pack layers to stay comfortable during your travels.
In Julio de Castilhos in September, the precipitation amount is 147 mm (5.8 in) over a span of 12 days.
In Julio de Castilhos in September, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.
In Julio de Castilhos 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 Julio de Castilhos.
UV Risk Categories
Weather in Julio de Castilhos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Julio de Castilhos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 147 mm (5.8 inches) | 74% | extreme |
| February Weather | 23°C (73°F) | 95 mm (3.7 inches) | 73% | extreme |
| March Weather | 22°C (71°F) | 137 mm (5.4 inches) | 73% | extreme |
| April Weather | 19°C (67°F) | 102 mm (4.0 inches) | 81% | very high |
| May Weather | 15°C (60°F) | 199 mm (7.8 inches) | 87% | high |
| June Weather | 14°C (58°F) | 120 mm (4.7 inches) | 84% | moderate |
| July Weather | 13°C (56°F) | 114 mm (4.5 inches) | 80% | moderate |
| August Weather | 15°C (59°F) | 94 mm (3.7 inches) | 71% | high |
| September Weather | 17°C (63°F) | 147 mm (5.8 inches) | 74% | very high |
| October Weather | 19°C (66°F) | 195 mm (7.7 inches) | 77% | extreme |
| November Weather | 21°C (70°F) | 138 mm (5.4 inches) | 77% | extreme |
| December Weather | 23°C (74°F) | 87 mm (3.4 inches) | 85% | extreme |