Killarney weather in September 2021

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  • 16°C maximum daytime temperature in September in Killarney16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Killarney19
    19 days with some rainfall
  • 10°C minimum night-time temperature in September in Killarney10
    10°C min night temperature
  • 13 hours of daylight per day in September in Killarney13
    13 hours of daylight per day
  • No heat & humidity in September in Killarney0
    No heat & humidity
  • 117 mm monthly rainfall in September in Killarney117
    117 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Killarney4
    4 (Moderate) UV index

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The September weather guide for Killarney, Ireland 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.

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How warm is it in Killarney in September?

Daytime temperatures usually reach 16°C in Killarney in September, falling to 10°C at night.

How sunny is it in Killarney in September?

There are normally 4 hours of bright sunshine each day in Killarney in September - that's 29% of daylight hours.

Does it rain in Killarney in September?

There are usually 19 days with some rain in Killarney in September and the average monthly rainfall is 117mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Killarney sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Killarney in September 2021. Select a month to view Killarney sunrise & sunset times for the next 12 months.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:50 20:25
Wednesday, 15th September 2021 07:13 19:53
Thursday, 30th September 2021 07:38 19:17
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