Boyle weather in September 2026

Expect daytime maximum temperatures of 16°C in Boyle, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 103 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Boyle16
    16°C max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in September in Boyle20
    20 days with some rainfall
  • 8°C minimum night-time temperature in September in Boyle8
    8°C min night temperature
  • 13 hours of daylight per day in September in Boyle13
    13 hours of daylight per day
  • No heat & humidity in September in Boyle0
    No heat & humidity
  • 103 mm monthly rainfall in September in Boyle103
    103 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Boyle4
    4 (Moderate) UV index

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The September weather guide for Ireland (Boyle) 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 Boyle in September?

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

How sunny is it in Boyle in September?

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

How warm is the sea around Boyle in September?

The average sea temperature around Boyle in September is 14°C.

Does it rain in Boyle in September?

There are usually 15 days with some rain in Boyle in September and the average monthly rainfall is 64mm.

Boyle September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:41 19:24
Tuesday, 15th September 2026 06:06 18:49
Wednesday, 30th September 2026 06:33 18:12

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