Ireland Weather in September 2025 Travel Tips for FirstTimers

Weather In September Ireland. Dublin In September Weather, Tips + Things To Do The average low temperature is about 9-10 °C (48-50 °F). When we look at the rainy weather in Dublin in September last year, the capital recorded 127.9mm.

Ireland in September all you need to know to plan a trip Mama Loves Ireland
Ireland in September all you need to know to plan a trip Mama Loves Ireland from mamalovesireland.com

In September, Ireland has an average temperature of 14.7°C (58.5°F), with highs of 18.3°C (65°F) and lows of 11.2°C (52.2°F) Averages: Temperature range: 10-17°C (50-63°F) Rainfall: 9 cm (3 inches) Rainy days: 14; Sunshine hours/day: 5;

Ireland in September all you need to know to plan a trip Mama Loves Ireland

Read on to find out more about travel and weather in Ireland, including temperatures, rainfall, humidity, and tips for September The days are still nice and long with the sun rising at 06:41 and it setting at 20:14 at the beginning of the month. The average temperature in Ireland in September is about 13 °C, which is cooler than the summer season, but still somewhat warmer than the temperatures in May

Irish Weather Map Arleen Michelle. The humidity is high, averaging 85.1%, and there is an average of 3.33 inches of precipitation, with a high chance of rain at 86.7% When we look at the rainy weather in Dublin in September last year, the capital recorded 127.9mm.

Weather in Ireland in September Need to Know Guide Let's Go Ireland. However, this does not mean you should leave the waterproofs at home The long-term average temperature in Galway in September is 13.2°C/55.76°F.