Weather in St Helens in September
St Helens, United Kingdom averages a high of 16.9°C (62.4°F) and low of 10.9°C (51.6°F) in September, with 12 rain days and 8.2 hours of daily sunshine. Travel score: 63.9/100 (Good). The best time to visit St Helens is July.
High
17°C62°F
Low
11°C52°F
🌧️
12
rain days
☀️
8.2
hrs/day sunshine
💧
80%
humidity
64— Good
September in St Helens is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in St Helens?
How much does it rain in St Helens in September?
St Helens receives an average of 80.1mm of rainfall across 12 rainy days in September. The annual total is 965.9mm.
What should I pack for St Helens in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 17°C
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting United Kingdom in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31