Dungannon weather in September 2025

Q: How warm is it in Dungannon in September?

Daytime temperatures usually reach 16°C in Dungannon in September, falling to 8°C at night.

Q: How sunny is it in Dungannon in September?

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

Q: Does it rain in Dungannon in September?

There are usually 20 days with some rain in Dungannon in September and the average monthly rainfall is 83mm.

Expect 16°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Dungannon in September. Check more long-term weather averages for Dungannon 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
8
8°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
3
3 (Moderate) UV index

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The September weather guide for Northern Ireland (Dungannon) 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 Dungannon in September?

Daytime temperatures usually reach 16°C in Dungannon in September, falling to 8°C at night.

How sunny is it in Dungannon in September?

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

Does it rain in Dungannon in September?

There are usually 20 days with some rain in Dungannon in September and the average monthly rainfall is 83mm.

Dungannon September sunrise & sunset times

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

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