Northern Ireland climate guide

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Below are average maximum temperatures at popular destinations in Northern Ireland for next month - September. Select a destination to see the climate guide for all months of the year.

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The climate guide for Northern Ireland shows long term monthly 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.

Recommended for Northern Ireland

  • Book holiday cottages up to 2 years in advance
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  • Over 15,000 holiday cottages across the UK & Ireland

Northern Ireland holiday rentals

Find holiday rentals in Northern Ireland including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

  • Airbnb
  • HomeAway

Northern Ireland cottages

Search for holiday cottages in Northern Ireland including contemporary and traditional self-catering accommodation.

  • Imagine Ireland
  • Stays Cottage Holidays

Northern Ireland hotels

Compare prices for hotels in Northern Ireland by booking directly with hotel chains and independent hotels or via online travel agencies and hotel comparison websites.

  • Booking.com
  • IHG
  • Priceline

Northern Ireland camping & hostels

Looking for camping holidays in Northern Ireland? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

  • Campsited
  • Hostel World

Northern Ireland holiday parks

Discover family holidays and short breaks at holiday parks, activity centres and seaside resorts in Northern Ireland with lots of activities, adventures and entertainment for all.

  • Hoseasons

Northern Ireland car hire

Need to hire a car for Northern Ireland? Check out the car hire companies and brokers offering car rentals for Northern Ireland.

  • Avis
  • Europcar
  • Hertz

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Metric (°C / mm)  |  Imperial (°F / inches)

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