Mullingar weather in September 2025

Expect daytime maximum temperatures of 63°F in Mullingar, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 63°F maximum daytime temperature in September in Mullingar63
    63°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in September in Mullingar18
    18 days with some rainfall
  • 46°F minimum night-time temperature in September in Mullingar46
    46°F min night temperature
  • 13 hours of daylight per day in September in Mullingar13
    13 hours of daylight per day
  • No heat & humidity in September in Mullingar0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Mullingar3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Mullingar4
    4 (Moderate) UV index

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The September weather guide for Ireland (Mullingar) 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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How warm is it in Mullingar in September?

Daytime temperatures usually reach 63°F in Mullingar in September, falling to 46°F at night.

How sunny is it in Mullingar in September?

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

Does it rain in Mullingar in September?

There are usually 18 days with some rain in Mullingar in September and the average monthly rainfall is 3.5 inches.

Mullingar September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:39 19:19
Monday, 15th September 2025 06:03 18:45
Tuesday, 30th September 2025 06:30 18:08

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