Weather in St Helens, England, United Kingdom in September
In an average September, St Helens sees a daily high around 17°C and a low around 9°C, based on 1981–2026 of local climate records.
| Average high | 17°C |
|---|---|
| Typical high range | 13°C to 20°C |
| Average low | 9°C |
| Typical low range | 7°C to 12°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
25°C
2021-09-07
Lowest
10°C
2012-09-25
Low
Highest
16°C
2023-09-09
Lowest
3°C
1986-09-16
Feels-like
Highest
25°C
2021-09-07
Lowest
-2°C
1993-09-26
Humidity
Highest
15.4 g/m³
2023-09-09
Lowest
6.2 g/m³
1986-09-16
Wind
Highest
61 km/h
1981-09-20
Lowest
6 km/h
1990-09-12
Precip
Wettest
147 mm
2000
Driest
16 mm
1986
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