Last updated: August 27, 2025
In Sao Pedro de Alva, Portugal, the average temperature in September hovers around 20°C (68°F), creating a comfortable atmosphere. Expect a minimum of 8°C (46°F) and a maximum of 36°C (96°F), offering a wide range for warmth. During this month, precipitation amounts reach 40 mm (1.6 in) over approximately 5 days, contributing to an average humidity of 71%. Whether you're exploring the outdoors or relaxing indoors, this climate offers a diverse experience.
In September in Sao Pedro de Alva, the average temperature is 20°C (68°F). The maximum can reach 36°C (96°F), while the minimum can drop to as low as 8°C (46°F). This makes Sao Pedro de Alva a great destination for travelers looking for mild weather with warm days and cooler evenings.
In Sao Pedro de Alva in September, the precipitation amount is 40 mm (1.6 in) over the course of 5 days.
In Sao Pedro de Alva 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 Sao Pedro de Alva 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 Sao Pedro de Alva.
UV Risk Categories
Weather in Sao Pedro de Alva varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sao Pedro de Alva, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 68 mm (2.7 inches) | 87% | moderate |
| February Weather | 10°C (51°F) | 100 mm (3.9 inches) | 81% | moderate |
| March Weather | 12°C (53°F) | 138 mm (5.4 inches) | 78% | high |
| April Weather | 14°C (57°F) | 138 mm (5.4 inches) | 79% | very high |
| May Weather | 17°C (63°F) | 63 mm (2.5 inches) | 78% | very high |
| June Weather | 18°C (66°F) | 35 mm (1.4 inches) | 71% | extreme |
| July Weather | 21°C (70°F) | 10 mm (0.4 inches) | 63% | very high |
| August Weather | 21°C (71°F) | 10 mm (0.4 inches) | 64% | very high |
| September Weather | 20°C (68°F) | 40 mm (1.6 inches) | 71% | very high |
| October Weather | 16°C (62°F) | 97 mm (3.8 inches) | 79% | high |
| November Weather | 12°C (53°F) | 141 mm (5.6 inches) | 86% | moderate |
| December Weather | 10°C (50°F) | 127 mm (5.0 inches) | 87% | low |