Ballymoney weather in September 2025

Q: How warm is it in Ballymoney in September?

Daytime temperatures usually reach 16°C in Ballymoney in September, falling to 9°C at night.

Q: How sunny is it in Ballymoney in September?

There are normally 3 hours of bright sunshine each day in Ballymoney in September - that's 26% of daylight hours.

Q: Does it rain in Ballymoney in September?

There are usually 20 days with some rain in Ballymoney in September and the average monthly rainfall is 97mm.

Expect 16°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ballymoney in September. Check more long-term weather averages for Ballymoney in September before you book your next holiday to Northern Ireland in 2025/2026.

16
16°C max day temperature
3
3 hours of sunshine per day
20
20 days with some rainfall
9
9°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
3
3 (Moderate) UV index

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The September weather guide for Northern Ireland (Ballymoney) 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 / mm) | Imperial (°F / inches)

More about the UK

How warm is it in Ballymoney in September?

Daytime temperatures usually reach 16°C in Ballymoney in September, falling to 9°C at night.

How sunny is it in Ballymoney in September?

There are normally 3 hours of bright sunshine each day in Ballymoney in September - that's 26% of daylight hours.

Does it rain in Ballymoney in September?

There are usually 20 days with some rain in Ballymoney in September and the average monthly rainfall is 97mm.

Ballymoney September sunrise & sunset times

Browse the sunrise and sunset times for Ballymoney in September 2025. Select a month to view Ballymoney sunrise and sunset times for the next 12 months.

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