Ballycastle weather in September 2024

Expect 59°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ballycastle in September. Check more long-term weather averages for Ballycastle in September before you book your next holiday to Northern Ireland in 2024/2025.

59
59°F max day temperature
3
3 hours of sunshine per day
20
20 days with some rainfall
48
48°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
4.4
4.4 inches of monthly rainfall
3
3 (Moderate) UV index
57
57°F sea temperature

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The September weather guide for Northern Ireland (Ballycastle) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Ballycastle in September?

Daytime temperatures usually reach 59°F in Ballycastle in September, falling to 48°F at night.

How sunny is it in Ballycastle in September?

There are normally 3 hours of bright sunshine each day in Ballycastle in September - that's 27% of daylight hours.

How warm is the sea around Ballycastle in September?

The average sea temperature around Ballycastle in September is 57°F.

Does it rain in Ballycastle in September?

There are usually 20 days with some rain in Ballycastle in September and the average monthly rainfall is 4.4 inches.

Ballycastle September sunrise & sunset times

Browse the sunrise and sunset times for Ballycastle in September 2024. Select a month to view Ballycastle sunrise and sunset times for the next 12 months.

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