Last updated: August 22, 2025
In September, the average temperature in Fallais, Belgium hovers around 15°C (59°F), with extremes ranging from a chilly 2°C (36°F) to a warm 34°C (93°F). Expect about 68 mm (2.7 in) of precipitation spread over 11 days, contributing to an average humidity level of 81%.
In September in Fallais, the average temperature is 15°C (59°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 2°C (36°F). This variation in temperature makes Fallais an ideal destination for travelers seeking both warm and cool experiences.
In Fallais in September, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.
In Fallais 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 Fallais 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 Fallais.
UV Risk Categories
Weather in Fallais varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fallais, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 79 mm (3.1 inches) | 91% | low |
February Weather | 5°C (41°F) | 78 mm (3.1 inches) | 90% | moderate |
March Weather | 7°C (44°F) | 88 mm (3.5 inches) | 87% | moderate |
April Weather | 9°C (49°F) | 41 mm (1.6 inches) | 84% | moderate |
May Weather | 13°C (56°F) | 69 mm (2.7 inches) | 77% | high |
June Weather | 18°C (64°F) | 80 mm (3.2 inches) | 74% | very high |
July Weather | 18°C (66°F) | 83 mm (3.3 inches) | 72% | very high |
August Weather | 18°C (65°F) | 84 mm (3.3 inches) | 71% | high |
September Weather | 15°C (59°F) | 68 mm (2.7 inches) | 81% | moderate |
October Weather | 11°C (53°F) | 90 mm (3.5 inches) | 88% | moderate |
November Weather | 7°C (44°F) | 63 mm (2.5 inches) | 91% | low |
December Weather | 5°C (41°F) | 116 mm (4.6 inches) | 92% | low |