Typical Weather in Dublin, Ireland in September

64° F Avg High

49° F Avg Low

7 Rainy Days

☀️ Temperature Summary

September is one of the warmer months of the year for Dublin, with highs averaging around 64°F. You can expect overnight lows near 49°F most days. Daily high temperatures can range between 66°F and 61°F for the month of September.

September is a great time to visit Dublin, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

In September you can expect close to a 22% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 2 inches.