Last updated: August 22, 2025
In September, the average temperature in Sint-Pieters-Voeren, Belgium hovers around 15°C (59°F), with minimums dipping to 2°C (37°F) and maximums climbing to 33°C (91°F). Expect about 64 mm (2.5 in) of precipitation spread over 10 days, contributing to an average humidity level of approximately 81%.
In September in Sint-Pieters-Voeren, the average temperature is 15°C (59°F). Maximums can reach 33°C (91°F), and minimums can be as low as 2°C (37°F). It's advisable to pack layers to adapt to the wide temperature range while enjoying your travels.
In Sint-Pieters-Voeren in September, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.
In Sint-Pieters-Voeren in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.
In Sint-Pieters-Voeren 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-Pieters-Voeren.
UV Risk Categories
Weather in Sint-Pieters-Voeren varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sint-Pieters-Voeren, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 78 mm (3.1 inches) | 91% | low |
| February Weather | 5°C (41°F) | 80 mm (3.1 inches) | 90% | low |
| March Weather | 7°C (45°F) | 87 mm (3.4 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 39 mm (1.5 inches) | 84% | moderate |
| May Weather | 13°C (56°F) | 68 mm (2.7 inches) | 77% | high |
| June Weather | 18°C (65°F) | 88 mm (3.5 inches) | 74% | very high |
| July Weather | 19°C (66°F) | 87 mm (3.4 inches) | 72% | very high |
| August Weather | 19°C (66°F) | 78 mm (3.1 inches) | 71% | high |
| September Weather | 15°C (59°F) | 64 mm (2.5 inches) | 81% | moderate |
| October Weather | 12°C (53°F) | 85 mm (3.3 inches) | 88% | moderate |
| November Weather | 7°C (44°F) | 59 mm (2.3 inches) | 91% | low |
| December Weather | 5°C (41°F) | 113 mm (4.4 inches) | 92% | low |