Athlone weather in September 2025

Expect 61°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Athlone in September. Check more long-term weather averages for Athlone in September before you book your next holiday to Ireland in 2025/2026.

  • 61°F maximum daytime temperature in September in Athlone61
    61°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in September in Athlone18
    18 days with some rainfall
  • 46°F minimum night-time temperature in September in Athlone46
    46°F min night temperature
  • 13 hours of daylight per day in September in Athlone13
    13 hours of daylight per day
  • No heat & humidity in September in Athlone0
    No heat & humidity
  • 3.4 inches monthly rainfall in September in Athlone3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Athlone4
    4 (Moderate) UV index

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

Daytime temperatures usually reach 61°F in Athlone in September, falling to 46°F at night.

How sunny is it in Athlone in September?

There are normally 3 hours of bright sunshine each day in Athlone in September - that's 27% of daylight hours.

Does it rain in Athlone in September?

There are usually 18 days with some rain in Athlone in September and the average monthly rainfall is 3.4 inches.

Athlone September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:41 19:21
Monday, 15th September 2025 06:06 18:47
Tuesday, 30th September 2025 06:32 18:10

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