Last updated: August 27, 2025
In September, the average temperature in Vendas Novas, Portugal is a pleasant 22°C (72°F). While you can expect a minimum of 9°C (49°F) and a warm maximum of 38°C (101°F), the weather remains relatively humid with an average humidity of 67%. Be prepared for some rain, as 27 mm (1.1 in) of precipitation can be expected over 2 days!
In September in Vendas Novas, the average temperature is 22°C (72°F). Maximum temperatures can reach 38°C (101°F), while minimum temperatures can drop to as low as 9°C (49°F). This creates a diverse climate, making it an ideal time for travelers to enjoy a range of outdoor activities, from warm sunny days to cooler evenings.
In Vendas Novas in September, the precipitation amount is 27 mm (1.1 in) over the course of 2 days.
In Vendas Novas in September humidity is 67%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, creating a tropical ambiance that can be both refreshing and slightly stifling for traveling.
In Vendas Novas 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 Vendas Novas.
UV Risk Categories
Weather in Vendas Novas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Vendas Novas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (50°F) | 32 mm (1.2 inches) | 85% | moderate |
| February Weather | 12°C (54°F) | 52 mm (2.0 inches) | 75% | moderate |
| March Weather | 14°C (57°F) | 76 mm (3.0 inches) | 72% | high |
| April Weather | 15°C (60°F) | 77 mm (3.0 inches) | 70% | very high |
| May Weather | 19°C (67°F) | 38 mm (1.5 inches) | 70% | very high |
| June Weather | 21°C (70°F) | 12 mm (0.5 inches) | 63% | extreme |
| July Weather | 23°C (74°F) | 5 mm (0.2 inches) | 60% | very high |
| August Weather | 24°C (75°F) | 4 mm (0.2 inches) | 60% | very high |
| September Weather | 22°C (72°F) | 27 mm (1.1 inches) | 67% | very high |
| October Weather | 19°C (66°F) | 41 mm (1.6 inches) | 74% | high |
| November Weather | 14°C (57°F) | 68 mm (2.7 inches) | 83% | moderate |
| December Weather | 12°C (53°F) | 54 mm (2.1 inches) | 85% | moderate |