Bantry weather in September 2025

Expect 16°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Bantry in September. Check more long-term weather averages for Bantry in September before you book your next holiday to Ireland in 2025/2026.

  • 16°C maximum daytime temperature in September in Bantry16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Bantry19
    19 days with some rainfall
  • 10°C minimum night-time temperature in September in Bantry10
    10°C min night temperature
  • 13 hours of daylight per day in September in Bantry13
    13 hours of daylight per day
  • No heat & humidity in September in Bantry0
    No heat & humidity
  • 130 mm monthly rainfall in September in Bantry130
    130 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Bantry4
    4 (Moderate) UV index
  • 15°C sea temperature in September in Bantry15
    15°C sea temperature

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

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

How sunny is it in Bantry in September?

There are normally 4 hours of bright sunshine each day in Bantry in September - that's 30% of daylight hours.

How warm is the sea around Bantry in September?

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

Does it rain in Bantry in September?

There are usually 19 days with some rain in Bantry in September and the average monthly rainfall is 130mm.

Bantry September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 19:24
Monday, 15th September 2025 06:13 18:52
Tuesday, 30th September 2025 06:37 18:17

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