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Clonmel weather in September 2025
Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Clonmel in September. Check more long-term weather averages for Clonmel in September before you book your next holiday to Ireland in 2025/2026.
- 1717°C max day temperature
- 4 hours of sunshine per day
- 1717 days with some rainfall
- 99°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 104104 mm of monthly rainfall
- 44 (Moderate) UV index
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Clonmel by month
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Recommended for Ireland
The September weather guide for Ireland (Clonmel) 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)
More about Ireland
How warm is it in Clonmel in September?
Daytime temperatures usually reach 17°C in Clonmel in September, falling to 9°C at night.
How sunny is it in Clonmel in September?
There are normally 4 hours of bright sunshine each day in Clonmel in September - that's 31% of daylight hours.
Does it rain in Clonmel in September?
There are usually 17 days with some rain in Clonmel in September and the average monthly rainfall is 104mm.
Clonmel September sunrise & sunset times
Browse the sunrise and sunset times for Clonmel in September 2025. Select a month to view Clonmel sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:42 | 19:18 |
Monday, 15th September 2025 | 06:05 | 18:45 |
Tuesday, 30th September 2025 | 06:30 | 18:10 |
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