Last updated: August 22, 2025
In Longchamps, Belgium, the average temperature in September hovers around 14°C (57°F). Daily temperatures can vary significantly, with minimums dropping to 2°C (35°F) and maximums soaring up to 32°C (89°F). Expect an average precipitation of 77 mm (3.0 in) spread over approximately 10 days, complemented by a humid atmosphere with an average humidity level of 83%.
In September in Longchamps, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as 2°C (35°F). Pack accordingly to enjoy a range of activities, from outdoor adventures to cozy evenings indoors.
In Longchamps in September, the total precipitation amount is 77 mm (3.0 in) spread over a duration of 10 days.
In Longchamps in September, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.
In Longchamps in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Longchamps, you can refer to this Hourly UV Index in Longchamps.
UV Risk Categories
Weather in Longchamps varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longchamps, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 89 mm (3.5 inches) | 91% | low |
February Weather | 3°C (37°F) | 85 mm (3.4 inches) | 90% | moderate |
March Weather | 5°C (41°F) | 102 mm (4.0 inches) | 88% | moderate |
April Weather | 8°C (47°F) | 49 mm (1.9 inches) | 84% | moderate |
May Weather | 12°C (54°F) | 89 mm (3.5 inches) | 81% | very high |
June Weather | 16°C (62°F) | 97 mm (3.8 inches) | 82% | very high |
July Weather | 17°C (63°F) | 81 mm (3.2 inches) | 82% | very high |
August Weather | 17°C (63°F) | 82 mm (3.2 inches) | 80% | very high |
September Weather | 14°C (57°F) | 77 mm (3.0 inches) | 83% | high |
October Weather | 10°C (50°F) | 92 mm (3.6 inches) | 89% | moderate |
November Weather | 5°C (41°F) | 74 mm (2.9 inches) | 91% | low |
December Weather | 3°C (38°F) | 138 mm (5.4 inches) | 93% | low |