Last updated: August 22, 2025
The average temperature in Sint-Martens-Lierde, Belgium during September is a comfortable 16°C (60°F). Expect to experience temperatures ranging from a brisk 5°C (41°F) to a warm 32°C (90°F). During this month, anticipate around 55 mm (2.2 in) of precipitation spread over approximately 9 days, with the average humidity sitting at a notable 82%. Enjoy the balance of warmth and freshness that this month brings!
In September in Sint-Martens-Lierde, the average temperature is 16°C (60°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 5°C (41°F). This range makes it a versatile time for travelers, requiring layered clothing for both warm days and cooler evenings.
In Sint-Martens-Lierde in September, the precipitation amount is 55 mm (2.2 in) over a span of 9 days.
In Sint-Martens-Lierde in September humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.
In Sint-Martens-Lierde 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 Sint-Martens-Lierde.
UV Risk Categories
Weather in Sint-Martens-Lierde varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sint-Martens-Lierde, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 64 mm (2.5 inches) | 91% | low |
| February Weather | 5°C (42°F) | 67 mm (2.6 inches) | 89% | low |
| March Weather | 7°C (46°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 41 mm (1.6 inches) | 85% | moderate |
| May Weather | 14°C (57°F) | 56 mm (2.2 inches) | 82% | high |
| June Weather | 18°C (65°F) | 60 mm (2.4 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 61 mm (2.4 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 79 mm (3.1 inches) | 76% | high |
| September Weather | 16°C (60°F) | 55 mm (2.2 inches) | 82% | moderate |
| October Weather | 12°C (55°F) | 78 mm (3.1 inches) | 89% | moderate |
| November Weather | 8°C (46°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 6°C (42°F) | 92 mm (3.6 inches) | 92% | low |