Kilkenny weather in September 2025

Expect 63°F 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.

  • 63°F maximum daytime temperature in September in Kilkenny63
    63°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Kilkenny16
    16 days with some rainfall
  • 46°F minimum night-time temperature in September in Kilkenny46
    46°F 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
  • 3.3 inches monthly rainfall in September in Kilkenny3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Kilkenny4
    4 (Moderate) UV index

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Kilkenny by month

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Recommended for Ireland

  • Save on holidays to destinations across Europe in 2024/2025
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  • Enjoy an escorted tour, city break, river cruise & more

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)  |  Imperial (°F)

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More about Ireland

How warm is it in Kilkenny in September?

Daytime temperatures usually reach 63°F in Kilkenny in September, falling to 46°F 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 3.3 inches.

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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