Last updated: August 22, 2025
In September, the average temperature in Saint-Servais, Belgium hovers around 15°C (59°F). However, don’t be surprised by temperature fluctuations; you may experience a minimum of 2°C (37°F) and a peak of 33°C (92°F). Expect around 65 mm (2.5 in) of rainfall over 11 days, with an average humidity level of 82%, making it a season of varied weather!
In September in Saint-Servais, the average temperature is 15°C (59°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 2°C (37°F). This unpredictable weather makes it essential to pack layers when traveling to Saint-Servais during this month.
In Saint-Servais in September, the precipitation amount is 65 mm (2.5 in) over a span of 11 days.
In Saint-Servais in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.
In Saint-Servais in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Saint-Servais.
UV Risk Categories
Weather in Saint-Servais varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Servais, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 69 mm (2.7 inches) | 91% | low |
February Weather | 5°C (41°F) | 73 mm (2.9 inches) | 89% | moderate |
March Weather | 7°C (45°F) | 77 mm (3.0 inches) | 87% | moderate |
April Weather | 10°C (50°F) | 41 mm (1.6 inches) | 85% | moderate |
May Weather | 13°C (56°F) | 67 mm (2.6 inches) | 82% | high |
June Weather | 18°C (64°F) | 78 mm (3.1 inches) | 82% | very high |
July Weather | 19°C (66°F) | 77 mm (3.0 inches) | 80% | very high |
August Weather | 18°C (66°F) | 89 mm (3.5 inches) | 76% | high |
September Weather | 15°C (59°F) | 65 mm (2.5 inches) | 82% | moderate |
October Weather | 12°C (53°F) | 86 mm (3.4 inches) | 89% | moderate |
November Weather | 7°C (44°F) | 60 mm (2.3 inches) | 92% | low |
December Weather | 5°C (41°F) | 105 mm (4.1 inches) | 92% | low |