Trefechan Weather Forecast
- 11
- 16
Cloudy
- 11
- 15
Cloudy
- 9
- 14
Light rain shower
- 13
- 14
Light rain
- 12
- 16
Light rain
- 12
- 16
Cloudy
Today 15 Sep Wales
Cloudy start, with outbreaks of rain sinking south across Wales during the morning. Turning drier and brighter into the afternoon with sunny spells and showers, mostly in the west. Maximum temperature 18 °C.
Trefechan Temperature Statistics
September Temperature
Sennybridge (35km)
Lowest 10 September, 2026
5.1 °CAverage September
14.2 °CHighest 6 September, 2026
23.2 °C
Climate (2021–2026)
Sennybridge (35km)
Average Low 2021–2026
5.7 °CAverage 2021–2026
9.5 °CAverage High 2021–2026
13 °C