Clonakilty weather in September 2025

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

  • 17°C maximum daytime temperature in September in Clonakilty17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in September in Clonakilty18
    18 days with some rainfall
  • 10°C minimum night-time temperature in September in Clonakilty10
    10°C min night temperature
  • 13 hours of daylight per day in September in Clonakilty13
    13 hours of daylight per day
  • No heat & humidity in September in Clonakilty0
    No heat & humidity
  • 118 mm monthly rainfall in September in Clonakilty118
    118 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Clonakilty4
    4 (Moderate) UV index
  • 15°C sea temperature in September in Clonakilty15
    15°C sea temperature

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

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

How sunny is it in Clonakilty in September?

There are normally 4 hours of bright sunshine each day in Clonakilty in September - that's 32% of daylight hours.

How warm is the sea around Clonakilty in September?

The average sea temperature around Clonakilty in September is 15°C.

Does it rain in Clonakilty in September?

There are usually 18 days with some rain in Clonakilty in September and the average monthly rainfall is 118mm.

Clonakilty September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:48 19:22
Monday, 15th September 2025 06:11 18:50
Tuesday, 30th September 2025 06:35 18:15

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