Swansea Weather Forecast
- 14
- 18
Heavy rain
- 13
- 16
Light rain shower
- 14
- 16
Cloudy
- 14
- 18
Light rain
- 13
- 17
Cloudy
- 15
- 18
Cloudy
Today 14 Sep Wales
A band of rain, with prolonged or heavy downpours, will spread northeastwards through much of the day, bringing widespread strong winds, with gales likely. Showers follow later. Feeling muggy. Maximum Temperature 18C.
Swansea Temperature Statistics
September Temperature
Pembrey Sands Samos (31km)
Lowest 5 September, 2025
6.6 °CAverage September
15.8 °CHighest 6 September, 2025
21.7 °C
Climate (2020–Present)
Pembrey Sands Samos (31km)
Average Low 2020–2025
8.2 °CAverage 2020–2025
11.5 °CAverage High 2020–2025
14.3 °C