Carrickfergus Weather in September

Carrickfergus in September averages 16°C (61°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Carrickfergus in September

Analyzing past climate data, one can expect approximately 17 days of rain, averaging 92 mm (3.6 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Carrickfergus in September

Daytime highs in Carrickfergus in September reach 16°C (61°F), with nights around 11°C (52°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Carrickfergus in September

The month experiences a moderate amount of sunlight, with 109 hours of sunshine. This provides a nice balance between sunshine and clouds.

Should you favor a climate that's both dry and comfortably warm, August typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Carrickfergus Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 58%  

Precipitation 92 mm (3.6 in)  

Rainy days 17 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (27 KM, 16 Miles).

What to Wear in Carrickfergus in September

For Carrickfergus in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Carrickfergus in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

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 Carrickfergus's climate page.

More climate data for Carrickfergus

Temperature Rainfall Sunshine Humidity

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