Ballycastle weather in September (Antrim County, United Kingdom)

Planning a trip to Ballycastle in September? Check out this comprehensive weather guide.

In September, Ballycastle generally has moderate temperatures and high rainfall. Anticipate daytime temperatures around 16°C, while night temperatures can drop to 12°C.

Ballycastle in September usually receives high rainfall, averaging around 105 mm for the month. Typically around 20 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 109 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If your ideal day consists of dry skies and moderate temperatures June and July generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Ballycastle climate page with graphs.

 

Ballycastle, monthly averages in September

Min Temperature 12°C  

Max Temperature 16°C  

Chance of Rain 68%  

Precipitation 105 mm  

Rainy days 20 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (61 KM, 38 Miles).

Where to go in the United Kingdom in September

Find out more about the weather in the United Kingdom in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Ballycastle.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.