September 2025 Weather Report for Liège Province, Belgium
September 2025 brought cooler and slightly drier conditions to Liège province compared to historical averages. The month presented a typical early autumn pattern with considerable temperature variation across the region and moderate precipitation levels.
Temperature Overview
The average temperature for September reached 14.6 degrees Celsius, sitting 1.3 degrees below the normal value of 15.9 degrees. This cooler-than-average month saw significant temperature swings throughout the period. The warmest day occurred on September 7 in Burdinne, where temperatures climbed to 28.6 degrees Celsius, providing a brief summer-like interlude. In stark contrast, the coldest conditions emerged late in the month on September 28 in Lierneux, where temperatures dropped to just 4.8 degrees Celsius, signaling the arrival of autumn's chill.
Precipitation Patterns
Total precipitation averaged 85.7 millimeters across the province, representing a 14 percent decrease from the normal September total of 100.0 millimeters. Despite the overall drier trend, the month featured intense rainfall events. The wettest single day occurred on September 9 in Bütgenbach, where 46.2 millimeters fell. When examining cumulative rainfall by location, Burg-Reuland emerged as the wettest area with a total of 144.8 millimeters for the month, indicating significant regional variation in precipitation distribution.
Sunshine and Notable Conditions
Sunshine totaled 255.7 hours, falling 6 percent short of the normal 271.2 hours. This modest deficit reflects typical autumn cloud cover patterns. The combination of below-average temperatures, reduced sunshine, and slightly diminished rainfall created conditions characteristic of early autumn transition in the Ardennes region.