Runcorn Weather in September

In Runcorn, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.

Rainfall in Runcorn in September

Based on our climate data of the past 30 years, about 16 days of rain are anticipated, with 81 mm (3.2 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Runcorn in September

If you're visiting Runcorn in September, expect highs of 19°C (66°F) and overnight lows around 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Runcorn in September

You can expect a moderate amount of sunlight, with approximately 134 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Runcorn.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Runcorn's climate page.

Runcorn Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 52%  

Precipitation 81 mm (3.2 in)  

Rainy days 16 days  

Sunshine 134 hours *  

Percentage Sunshine *  

* Data from: Warrington, the United Kingdom (10 KM, 6 Miles).

What to Wear in Runcorn in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Runcorn in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Runcorn's climate page.

More climate data for Runcorn

Temperature Rainfall Sunshine

See the full Runcorn climate overview or explore weather in the United Kingdom.