- Save EXTRA £200 on sailings to the Caribbean & USA
- Visit Antigua, Barbados, Cuba, Jamaica, St Lucia & more
- Travel between 1st Nov 2022 & 31st Oct 2023 (inclusive)
Dublin weather in September 2022
- 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
Recommended for Ireland
The September weather guide for Ireland (Dublin) 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 Dublin
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.
Dublin September sunrise & sunset times
Browse the sunrise and sunset times for Dublin in September 2022. Select a month to view Dublin sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st September 2022||06:34||20:15|
|Thursday, 15th September 2022||06:58||19:41|
|Friday, 30th September 2022||07:25||19:04|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.