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Dublin weather in September 2021
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- 1717°C max day temperature
- 1515 days with some rainfall
- 1010°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 6464 mm of monthly rainfall
- 44 (Moderate) UV index
- 1414°C sea temperature
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The September weather guide for Dublin, Ireland 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.
How warm is it in Dublin in September?
Daytime temperatures usually reach 17°C in Dublin in September, falling to 10°C at night.
How sunny is it in Dublin in September?
There are normally 4 hours of bright sunshine each day in Dublin in September - that's 33% of daylight hours.
How warm is the sea around Dublin in September?
The average sea temperature around Dublin in September is 14°C.
Does it rain in Dublin in September?
There are usually 15 days with some rain in Dublin in September and the average monthly rainfall is 64mm.
Metric (°C / mm) | Imperial (°F / inches)
Dublin sunrise & sunset times for September 2021
Browse the sunrise and sunset times for Dublin in September 2021. Select a month to view Dublin sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||06:35||20:14|
|Wednesday, 15th September 2021||06:59||19:40|
|Thursday, 30th September 2021||07:25||19:04|
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