Last updated: August 27, 2025
In Sao Bras de Alportel, Portugal, the average temperature in September is a pleasant 23°C (74°F). However, temperatures can vary significantly, with a minimum of 11°C (52°F) and a scorching maximum of 36°C (97°F). Visitors should also expect some precipitation, with an average of 15 mm (0.6 in) spread over 2 days. The climate features an average humidity level of 71%, making it an ideal time to explore this vibrant destination.
In September in Sao Bras de Alportel, the average temperature is 23°C (74°F). Maximums can reach 36°C (97°F) and minimums can be as low as 11°C (52°F). This makes it a great time for travelers seeking pleasant weather and a mix of warm and cooler days.
In Sao Bras de Alportel in September, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.
In Sao Bras de Alportel in September, humidity is 71%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping embrace that can make outdoor activities feel sticky, but if you're well-hydrated and take breaks in the shade, it offers a pleasant tropical ambiance perfect for exploration.
In Sao Bras de Alportel in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sao Bras de Alportel.
UV Risk Categories
Weather in Sao Bras de Alportel varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sao Bras de Alportel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (49°F) | 23 mm (0.9 inches) | 80% | moderate |
| February Weather | 12°C (54°F) | 48 mm (1.9 inches) | 73% | moderate |
| March Weather | 13°C (56°F) | 79 mm (3.1 inches) | 71% | high |
| April Weather | 15°C (59°F) | 71 mm (2.8 inches) | 69% | very high |
| May Weather | 19°C (67°F) | 25 mm (1.0 inches) | 69% | very high |
| June Weather | 21°C (71°F) | 8 mm (0.3 inches) | 67% | extreme |
| July Weather | 24°C (76°F) | 3 mm (0.1 inches) | 69% | very high |
| August Weather | 25°C (78°F) | 1 mm (0.0 inches) | 68% | very high |
| September Weather | 23°C (74°F) | 15 mm (0.6 inches) | 71% | very high |
| October Weather | 19°C (66°F) | 32 mm (1.3 inches) | 75% | high |
| November Weather | 14°C (57°F) | 56 mm (2.2 inches) | 78% | moderate |
| December Weather | 12°C (53°F) | 45 mm (1.8 inches) | 81% | moderate |