Last updated: August 27, 2025
In Santa Comba Dao, Portugal, the weather in September is quite pleasant, with an average temperature of 20°C (68°F). However, temperatures can range from a cool 8°C (47°F) to a warm 35°C (96°F). Be prepared for a sprinkle of rain as well, with a precipitation total of 42 mm (1.7 in) spread over 5 days. You can expect a comfortable average humidity of 71%, making it a perfect time for outdoor activities!
In September in Santa Comba Dao, the average temperature is 20°C (68°F). The maximum can reach 35°C (96°F), while the minimum can be as low as 8°C (47°F). This variety in temperatures makes it essential to pack layers for your trip to Santa Comba Dao in September.
In Santa Comba Dao in September, the precipitation amount is 42 mm (1.7 in) over a span of 5 days.
In Santa Comba Dao in September, humidity is 71%. With an average temperature of 20°C (68°F), this humidity feels like a warm, moist embrace that can quickly lead to discomfort for travelers. The air clings to your skin, making even short walks feel more strenuous, while reaching for a refreshing drink becomes essential to stay hydrated.
In Santa Comba Dao in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Comba Dao.
UV Risk Categories
Weather in Santa Comba Dao varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Comba Dao, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 92 mm (3.6 inches) | 87% | moderate |
| February Weather | 10°C (51°F) | 135 mm (5.3 inches) | 81% | moderate |
| March Weather | 11°C (53°F) | 155 mm (6.1 inches) | 78% | high |
| April Weather | 13°C (56°F) | 149 mm (5.9 inches) | 79% | very high |
| May Weather | 17°C (62°F) | 68 mm (2.7 inches) | 78% | very high |
| June Weather | 18°C (65°F) | 38 mm (1.5 inches) | 71% | extreme |
| July Weather | 21°C (70°F) | 12 mm (0.5 inches) | 63% | very high |
| August Weather | 21°C (71°F) | 15 mm (0.6 inches) | 64% | very high |
| September Weather | 20°C (68°F) | 42 mm (1.7 inches) | 71% | very high |
| October Weather | 16°C (61°F) | 111 mm (4.4 inches) | 79% | high |
| November Weather | 11°C (53°F) | 167 mm (6.6 inches) | 86% | moderate |
| December Weather | 10°C (50°F) | 168 mm (6.6 inches) | 87% | low |