Kilkenny weather in September 2025

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

  • 17°C maximum daytime temperature in September in Kilkenny17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Kilkenny16
    16 days with some rainfall
  • 8°C minimum night-time temperature in September in Kilkenny8
    8°C min night temperature
  • 13 hours of daylight per day in September in Kilkenny13
    13 hours of daylight per day
  • No heat & humidity in September in Kilkenny0
    No heat & humidity
  • 83 mm monthly rainfall in September in Kilkenny83
    83 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Kilkenny4
    4 (Moderate) UV index

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

Daytime temperatures usually reach 17°C in Kilkenny in September, falling to 8°C at night.

How sunny is it in Kilkenny in September?

There are normally 4 hours of bright sunshine each day in Kilkenny in September - that's 31% of daylight hours.

Does it rain in Kilkenny in September?

There are usually 16 days with some rain in Kilkenny in September and the average monthly rainfall is 83mm.

Kilkenny September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 19:17
Monday, 15th September 2025 06:03 18:44
Tuesday, 30th September 2025 06:29 18:08

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