River Foyle - Londonderry Weather Forecast
- 11
- 17
Light rain shower
- 11
- 15
Heavy rain shower
- 12
- 15
Cloudy
- 12
- 17
Light rain
- 11
- 16
Cloudy
- 13
- 17
Cloudy
Today 7 Sep Northern Ireland
A dry bright start then cloud and showers spreading from the west, some heavy. Brightening up again later. Maximum temperature 18 °C.
River Foyle - Londonderry Temperature Statistics
September Temperature
Magilligan No 2 (29km)
Lowest 5 September, 2026
12.3 °CAverage September
15.6 °CHighest 2 September, 2026
19.3 °C
Climate (2021–2026)
Magilligan No 2 (29km)
Average Low 2021–2026
7.7 °CAverage 2021–2026
10.6 °CAverage High 2021–2026
13.4 °C