Weather in Ireland in September 2021
The temperatures in Ireland in September are cold, 11°C to 15°C degrees. So in case you are in Ireland during September remember to bring your jacket.
If you are traveling to Ireland in September, be prepared for rain. There are 15 to 22 rainy days on average in September.
If you are planning to visit Ireland in September, we recommend that to checking the Ireland 14 days weather forecast page just before arrival for an accurate weather forecast.