Last updated: August 27, 2025
In September, the average temperature in Proenca-a-Nova, Portugal is a pleasant 21°C (71°F). Expect a temperature range from a cool 9°C (49°F) to a warm 35°C (96°F). With an average humidity level of 67%, the air feels comfortable, though you might experience some precipitation, averaging 35 mm (1.4 in) over 4 days.
In September in Proenca-a-Nova, the average temperature is 21°C (71°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 9°C (49°F). Be sure to pack for warm afternoons while also preparing for cooler evenings during your travels.
In Proenca-a-Nova in September, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.
In Proenca-a-Nova in September humidity is 67%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapping around you, making traveling both refreshing and a bit stifling at times, as the air clings to your skin and encourages slow, leisurely exploration.
In Proenca-a-Nova 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 Proenca-a-Nova.
UV Risk Categories
Weather in Proenca-a-Nova varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Proenca-a-Nova, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 52 mm (2.0 inches) | 85% | moderate |
| February Weather | 10°C (51°F) | 78 mm (3.1 inches) | 75% | moderate |
| March Weather | 12°C (53°F) | 121 mm (4.8 inches) | 72% | high |
| April Weather | 14°C (57°F) | 108 mm (4.3 inches) | 70% | very high |
| May Weather | 18°C (64°F) | 50 mm (1.9 inches) | 70% | very high |
| June Weather | 20°C (68°F) | 21 mm (0.8 inches) | 63% | extreme |
| July Weather | 23°C (73°F) | 6 mm (0.2 inches) | 60% | very high |
| August Weather | 23°C (74°F) | 8 mm (0.3 inches) | 60% | very high |
| September Weather | 21°C (71°F) | 35 mm (1.4 inches) | 67% | very high |
| October Weather | 17°C (63°F) | 75 mm (2.9 inches) | 74% | high |
| November Weather | 12°C (54°F) | 117 mm (4.6 inches) | 83% | moderate |
| December Weather | 10°C (50°F) | 102 mm (4.0 inches) | 85% | moderate |