Last updated: August 27, 2025
In September, the average temperature in Rosto de Cao, Portugal is a pleasant 22°C (71°F), with minimums dipping to 19°C (66°F) and maximums reaching 24°C (76°F). Expect some rain, as 66 mm (2.6 in) of precipitation typically falls over 12 days. The air feels quite humid, with an average humidity of 81%, making it a cozy and refreshing time to visit!
In September in Rosto de Cao, the average temperature is 22°C (71°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop to as low as 19°C (66°F). This pleasant climate makes Rosto de Cao an ideal destination for travelers looking to enjoy mild weather and outdoor activities.
In Rosto de Cao in September, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.
In Rosto de Cao in September humidity is 81%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat challenging but offering a tropical ambiance perfect for exploring shaded areas and enjoying refreshing drinks.
In Rosto de Cao 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 Rosto de Cao.
UV Risk Categories
Weather in Rosto de Cao varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rosto de Cao, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 77 mm (3.0 inches) | 82% | moderate |
| February Weather | 15°C (59°F) | 111 mm (4.4 inches) | 80% | moderate |
| March Weather | 15°C (59°F) | 66 mm (2.6 inches) | 82% | high |
| April Weather | 15°C (60°F) | 88 mm (3.5 inches) | 83% | very high |
| May Weather | 17°C (62°F) | 71 mm (2.8 inches) | 81% | very high |
| June Weather | 19°C (66°F) | 39 mm (1.5 inches) | 82% | extreme |
| July Weather | 21°C (69°F) | 18 mm (0.7 inches) | 83% | very high |
| August Weather | 22°C (72°F) | 49 mm (1.9 inches) | 81% | very high |
| September Weather | 22°C (71°F) | 66 mm (2.6 inches) | 81% | very high |
| October Weather | 20°C (69°F) | 123 mm (4.8 inches) | 79% | high |
| November Weather | 18°C (65°F) | 105 mm (4.2 inches) | 79% | moderate |
| December Weather | 17°C (63°F) | 141 mm (5.6 inches) | 84% | moderate |