Llyn Brianne Wind ForecastUnited KingdomWLCeredigionLlyn Brianne1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Llyn Brianne wind forecast issued today at 1:08 pm. Next forecast at approx. 1:08 am. Wind Speed Wind GustLlyn Brianne Wind Statistics September WindSennybridge (12km)2026AugustSeptemberStrongest 4 September, 202622.4mph SWAverage September4.7mphStrongest 4 August, 202613.4mph SWAverage August2.7mphStrongest 4 April, 202633.6mph SSWAverage 20265.5mphClimate (2021–2026)Sennybridge (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 March, 202335.8mph SWAverage 2021–20265.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmStrongSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September25%13.75%2.5%CalmStrongGet WillyWeather+ to remove ads