Weather Report: Henegouwen, Belgium – September 2025
September 2025 brought cooler and significantly drier conditions to Henegouwen compared to historical averages. The month was marked by a notable temperature deficit and substantially reduced rainfall, creating a weather pattern that deviated noticeably from typical September conditions in the province.
Temperature Overview
The average temperature for September reached 15.2 degrees Celsius, falling 1.1 degrees below the normal value of 16.3 degrees. This consistent cooling throughout the month contributed to a notably cooler September overall. The warmest day occurred on September 7 in Beloeil, where temperatures climbed to 30.2 degrees Celsius, providing a brief warm spell early in the month. In sharp contrast, the coldest reading was recorded on September 26 in Châtelet, dropping to just 5.5 degrees Celsius, illustrating the significant temperature swing that characterized the latter part of the month.
Precipitation Patterns
Rainfall was substantially below normal throughout September. The province received an average total of 40.5 millimeters, representing a 44 percent deficit compared to the normal September precipitation of 72.6 millimeters. This dry pattern was interrupted by the wettest day on September 13, when Leuze-en-Hainaut recorded 18.5 millimeters of precipitation. Ellezelles emerged as the wettest location in the province, accumulating 60 millimeters over the entire month, yet even this total remained below seasonal expectations.
Sunshine and Notable Observations
Sunshine hours totaled 261.5 hours, only marginally below the normal value of 266 hours, representing a 2 percent anomaly. This near-normal sunshine duration contrasted with the significantly reduced rainfall, creating conditions that favored drying. The combination of cooler temperatures, reduced precipitation, and near-normal sunshine hours defined September 2025 as an unusually dry and cool month for Henegouwen, with particular emphasis on the precipitation deficit that was substantially more pronounced than the temperature anomaly.