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Kilkeel weather in September 2025
Expect 15°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Kilkeel in September. Check more long-term weather averages for Kilkeel in September before you book your next holiday to Northern Ireland in 2025/2026.
- 1515°C max day temperature
- 4 hours of sunshine per day
- 1717 days with some rainfall
- 88°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 124124 mm of monthly rainfall
- 33 (Moderate) UV index
- 1414°C sea temperature
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Recommended for Northern Ireland
The September weather guide for Northern Ireland (Kilkeel) 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 Kilkeel in September?
Daytime temperatures usually reach 15°C in Kilkeel in September, falling to 8°C at night.
How sunny is it in Kilkeel in September?
There are normally 4 hours of bright sunshine each day in Kilkeel in September - that's 31% of daylight hours.
How warm is the sea around Kilkeel in September?
The average sea temperature around Kilkeel in September is 14°C.
Does it rain in Kilkeel in September?
There are usually 17 days with some rain in Kilkeel in September and the average monthly rainfall is 124mm.
Kilkeel September sunrise & sunset times
Browse the sunrise and sunset times for Kilkeel in September 2025. Select a month to view Kilkeel sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:32 | 19:14 |
Monday, 15th September 2025 | 05:57 | 18:40 |
Tuesday, 30th September 2025 | 06:24 | 18:02 |
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