Weather in Dublin in September
The weather in Dublin in September is fickle, ranging from cold to pleasant. Temperatures are between 9 and 17 degrees and there are about 21 days of rain, so it is advised to prepare for both warm and chilly conditions.
Avg Temp
9° - 17°
Avg Rainy Days
21
Avg Dry Days
9
Avg Snow Days
0
Weather Facts - Dublin in September
* The warmest temperature recorded in in September is 25°C
* The coldest temperature recorded in Dublin in September is 1°C
* The average rainfall in Dublin in September is 54 mm