St Helens Weather Forecast
- 13
- 17
Partly cloudy
- 14
- 17
Cloudy
- 16
- 18
Light rain
- 15
- 18
Overcast
- 14
- 18
Cloudy
- 12
- 17
Light rain
- 11
- 16
Sunny day
Today 15 Sep London and South East England
Windy, with some sunny spells but also blustery scattered sharp showers. These showers will mainly affect the west at first, but should become more generalised later. Gales likely in exposure, making it feel cooler than temperatures may suggest. Maximum Temperature 19C.
Tonight 15 Sep London and South East England
Becoming drier during the evening and overnight, with blustery showers becoming lighter, fewer and further between, mainly affecting the north and west. Remaining windy. Minimum Temperature 10C.
St Helens Temperature Statistics
September Temperature
St Catherines Pt. (18km)
Lowest 14 September, 2025
12.9 °CAverage September
17 °CHighest 7 September, 2025
21.8 °C
Climate (2020–Present)
St Catherines Pt. (18km)
Average Low 2020–2025
10 °CAverage 2020–2025
12 °CAverage High 2020–2025
14 °C