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 61°F 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.

61
61°F max day temperature
3
3 hours of sunshine per day
20
20 days with some rainfall
46
46°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
3
3 (Moderate) UV index

More about Dungannon

Dungannon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Rentalcars.com: Discount car hire worldwide

Sale

Compare car hire prices to find best deal online
Book flexible bookings with free cancellation policy
No hidden fees + price match guarantee

Go to Rentalcars.com deal >>

View all Rentalcars.com offers

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) | Imperial (°F)

More about the UK

How warm is it in Dungannon in September?

Daytime temperatures usually reach 61°F in Dungannon in September, falling to 46°F 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 3.3 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec