Cong weather in September 2026

Expect daytime maximum temperatures of 16°C in Cong, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 107 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Cong16
    16°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in September in Cong21
    21 days with some rainfall
  • 9°C minimum night-time temperature in September in Cong9
    9°C min night temperature
  • 13 hours of daylight per day in September in Cong13
    13 hours of daylight per day
  • No heat & humidity in September in Cong0
    No heat & humidity
  • 107 mm monthly rainfall in September in Cong107
    107 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Cong4
    4 (Moderate) UV index

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

Daytime temperatures usually reach 16°C in Cong in September, falling to 9°C at night.

How sunny is it in Cong in September?

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

Does it rain in Cong in September?

There are usually 21 days with some rain in Cong in September and the average monthly rainfall is 107mm.

Cong September sunrise & sunset times

Browse the sunrise and sunset times for Cong in September 2026. Select a month to view Cong sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:46 19:27
Tuesday, 15th September 2026 06:10 18:53
Wednesday, 30th September 2026 06:37 18:16

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