Last updated: August 27, 2025
In September, the average temperature in Santa Catarina da Serra, Portugal hovers around 19°C (67°F). Expect lowest dips of 9°C (48°F) and peaks soaring to 35°C (95°F). During this month, the area typically sees 32 mm (1.3 in) of precipitation over 3 days, with an average humidity level of 67%.
In September in Santa Catarina da Serra, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 9°C (48°F). It's advisable to pack layers and prepare for both warm days and cooler nights while traveling.
In Santa Catarina da Serra in September, the total precipitation amount is 32 mm (1.3 in) over a span of 3 days.
In Santa Catarina da Serra in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.
In Santa Catarina da Serra 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 Catarina da Serra.
UV Risk Categories
Weather in Santa Catarina da Serra varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Catarina da Serra, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (49°F) | 52 mm (2.1 inches) | 85% | moderate |
| February Weather | 12°C (53°F) | 67 mm (2.6 inches) | 75% | moderate |
| March Weather | 13°C (55°F) | 100 mm (4.0 inches) | 72% | high |
| April Weather | 14°C (58°F) | 105 mm (4.1 inches) | 70% | very high |
| May Weather | 17°C (63°F) | 52 mm (2.0 inches) | 70% | very high |
| June Weather | 18°C (65°F) | 24 mm (0.9 inches) | 63% | extreme |
| July Weather | 20°C (68°F) | 7 mm (0.3 inches) | 60% | very high |
| August Weather | 20°C (68°F) | 6 mm (0.2 inches) | 60% | very high |
| September Weather | 19°C (67°F) | 32 mm (1.3 inches) | 67% | very high |
| October Weather | 17°C (63°F) | 78 mm (3.1 inches) | 74% | high |
| November Weather | 13°C (56°F) | 106 mm (4.2 inches) | 83% | moderate |
| December Weather | 11°C (53°F) | 83 mm (3.3 inches) | 85% | moderate |