Ireland weather in September 2022

17
17°C max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
64
64 mm of monthly rainfall
4
4 (Moderate) UV index
14
14°C sea temperature

Below are average maximum temperatures at popular destinations in Ireland in September. Select a destination to see more weather parameters.

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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.

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

Metric (°C / mm) | Imperial (°F / inches)

More about Ireland

Dublin highlights: How to spend a weekend in the Irish capital

How warm is it in Ireland in September?

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

How sunny is it in Ireland in September?

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

How warm is the sea around Ireland in September?

The average sea temperature around Dublin, Ireland in September is 14°C.

Does it rain in Ireland in September?

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

Ireland September sunrise & sunset times

Browse the sunrise and sunset times for Ireland in September 2022. Select a month to view Ireland sunrise and sunset times for the next 12 months. The Ireland sunrise and sunset times shown below are for Dublin.

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