Last updated: August 22, 2025
In September, the average temperature in Arbre, Belgium is a pleasant 16°C (60°F). Expect temperatures to range from a cool 3°C (38°F) to a warm 33°C (91°F). During this month, you'll encounter 49 mm (1.9 in) of precipitation spread over 9 days, contributing to an average humidity level of 82%.
In September in Arbre, the average temperature is 16°C (60°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 3°C (38°F). This variation in temperature makes it essential for travelers to pack both light and warm clothing to stay comfortable throughout their visit.
In Arbre in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.
In Arbre 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 Arbre 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 Arbre.
UV Risk Categories
Weather in Arbre varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Arbre, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 65 mm (2.6 inches) | 91% | low |
February Weather | 5°C (42°F) | 72 mm (2.8 inches) | 89% | low |
March Weather | 7°C (46°F) | 73 mm (2.9 inches) | 87% | moderate |
April Weather | 10°C (50°F) | 38 mm (1.5 inches) | 85% | moderate |
May Weather | 14°C (57°F) | 59 mm (2.3 inches) | 82% | high |
June Weather | 18°C (65°F) | 57 mm (2.2 inches) | 82% | very high |
July Weather | 19°C (66°F) | 60 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) | 49 mm (1.9 inches) | 82% | moderate |
October Weather | 12°C (54°F) | 78 mm (3.1 inches) | 89% | moderate |
November Weather | 7°C (46°F) | 60 mm (2.4 inches) | 92% | low |
December Weather | 6°C (42°F) | 100 mm (3.9 inches) | 92% | low |