Fermoy weather in September 2026

Expect daytime maximum temperatures of 17°C in Fermoy, Ireland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 100 mm of rainfall in the month.

  • 17°C maximum daytime temperature in September in Fermoy17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in September in Fermoy18
    18 days with some rainfall
  • 10°C minimum night-time temperature in September in Fermoy10
    10°C min night temperature
  • 13 hours of daylight per day in September in Fermoy13
    13 hours of daylight per day
  • No heat & humidity in September in Fermoy0
    No heat & humidity
  • 100 mm monthly rainfall in September in Fermoy100
    100 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Fermoy4
    4 (Moderate) UV index

More about Fermoy

Fermoy by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

Wowcher: up to 80% off travel & shopping products

  • Save up to 80% with latest deals & discounts online
  • Book short breaks, UK staycations, beach holidays & more
  • Plus buy electronics, garden products & beauty treatments
Go to Wowcher deal >>

View all Wowcher offers

The September weather guide for Ireland (Fermoy) 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)

Back to top

More about Ireland

How warm is it in Fermoy in September?

Daytime temperatures usually reach 17°C in Fermoy in September, falling to 10°C at night.

How sunny is it in Fermoy in September?

There are normally 4 hours of bright sunshine each day in Fermoy in September - that's 33% of daylight hours.

How warm is the sea around Fermoy in September?

The average sea temperature around Fermoy in September is 14°C.

Does it rain in Fermoy in September?

There are usually 15 days with some rain in Fermoy in September and the average monthly rainfall is 64mm.

Fermoy September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:45 19:21
Tuesday, 15th September 2026 06:07 18:48
Wednesday, 30th September 2026 06:32 18:13

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^