Dunmore East weather in September 2025

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Dunmore East in September. Check more long-term weather averages for Dunmore East in September before you book your next holiday to Ireland in 2025/2026.

  • 17°C maximum daytime temperature in September in Dunmore East17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in Dunmore East15
    15 days with some rainfall
  • 10°C minimum night-time temperature in September in Dunmore East10
    10°C min night temperature
  • 13 hours of daylight per day in September in Dunmore East13
    13 hours of daylight per day
  • No heat & humidity in September in Dunmore East0
    No heat & humidity
  • 94 mm monthly rainfall in September in Dunmore East94
    94 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Dunmore East4
    4 (Moderate) UV index
  • 15°C sea temperature in September in Dunmore East15
    15°C sea temperature

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The September weather guide for Ireland (Dunmore East) 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)

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More about Ireland

How warm is it in Dunmore East in September?

Daytime temperatures usually reach 17°C in Dunmore East in September, falling to 10°C at night.

How sunny is it in Dunmore East in September?

There are normally 4 hours of bright sunshine each day in Dunmore East in September - that's 34% of daylight hours.

How warm is the sea around Dunmore East in September?

The average sea temperature around Dunmore East in September is 15°C.

Does it rain in Dunmore East in September?

There are usually 15 days with some rain in Dunmore East in September and the average monthly rainfall is 94mm.

Dunmore East September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 19:15
Monday, 15th September 2025 06:03 18:42
Tuesday, 30th September 2025 06:28 18:07

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