Sligo weather in September 2024

Expect 16°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Sligo in September. Check more long-term weather averages for Sligo in September before you book your next holiday to Ireland in 2024/2025.

  • 16°C maximum daytime temperature in September in Sligo16
    16°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in September in Sligo21
    21 days with some rainfall
  • 8°C minimum night-time temperature in September in Sligo8
    8°C min night temperature
  • 13 hours of daylight per day in September in Sligo13
    13 hours of daylight per day
  • No heat & humidity in September in Sligo0
    No heat & humidity
  • 123 mm monthly rainfall in September in Sligo123
    123 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Sligo3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Sligo15
    15°C sea temperature

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

Daytime temperatures usually reach 16°C in Sligo in September, falling to 8°C at night.

How sunny is it in Sligo in September?

There are normally 3 hours of bright sunshine each day in Sligo in September - that's 26% of daylight hours.

How warm is the sea around Sligo in September?

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

Does it rain in Sligo in September?

There are usually 21 days with some rain in Sligo in September and the average monthly rainfall is 123mm.

Sligo September sunrise & sunset times

Browse the sunrise and sunset times for Sligo in September 2024. Select a month to view Sligo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:42 20:24
Sunday, 15th September 2024 07:08 19:49
Monday, 30th September 2024 07:35 19:11

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