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Fermoy weather in September 2026
Expect daytime maximum temperatures of 63°F 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 3.9 inches of rainfall in the month.
- 63°F max day temperature
63 - 4 hours of sunshine per day
- 18 days with some rainfall
18 - 50°F min night temperature
50 - 13 hours of daylight per day
13 - No heat & humidity
0 - 3.9 inches of monthly rainfall
3.9 - 4 (Moderate) UV index
4
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Recommended for Ireland
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) | Imperial (°F)
More about Ireland
How warm is it in Fermoy in September?
Daytime temperatures usually reach 63°F in Fermoy in September, falling to 50°F 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 57°F.
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 2.5 inches.
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 |
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