Ballyliffin weather in September 2026

Expect daytime maximum temperatures of 59°F in Ballyliffin, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 59°F maximum daytime temperature in September in Ballyliffin59
    59°F max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in September in Ballyliffin21
    21 days with some rainfall
  • 48°F minimum night-time temperature in September in Ballyliffin48
    48°F min night temperature
  • 13 hours of daylight per day in September in Ballyliffin13
    13 hours of daylight per day
  • No heat & humidity in September in Ballyliffin0
    No heat & humidity
  • 4.6 inches monthly rainfall in September in Ballyliffin4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Ballyliffin3
    3 (Moderate) UV index
  • 57°F sea temperature in September in Ballyliffin57
    57°F sea temperature

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The September weather guide for Ireland (Ballyliffin) 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)

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More about Ireland

How warm is it in Ballyliffin in September?

Daytime temperatures usually reach 63°F in Ballyliffin in September, falling to 50°F at night.

How sunny is it in Ballyliffin in September?

There are normally 4 hours of bright sunshine each day in Ballyliffin in September - that's 33% of daylight hours.

How warm is the sea around Ballyliffin in September?

The average sea temperature around Ballyliffin in September is 57°F.

Does it rain in Ballyliffin in September?

There are usually 15 days with some rain in Ballyliffin in September and the average monthly rainfall is 2.5 inches.

Ballyliffin September sunrise & sunset times

Browse the sunrise and sunset times for Ballyliffin in September 2026. Select a month to view Ballyliffin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:35 19:23
Tuesday, 15th September 2026 06:02 18:47
Wednesday, 30th September 2026 06:30 18:08

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