Period: From September 2025
Issued on 09.09.2025 using data to the end of August 2025
The outlook for September indicates normal to below normal flows across southern and eastern areas of the UK. Northwestern parts are likely to see normal to above normal flows. The September-November outlook for river flows indicates a continuation of normal to below normal flows across southern and eastern areas, and above normal flows in northwestern areas of the UK. Groundwater levels across the UK are likely to be normal to below normal for September, with some boreholes likely to see notably low levels. For September-November, groundwater levels are expected to trend closer to normal.
