Weather · Dublin, Ireland
Dublin Weather in September
September in Dublin averages 18°C by day and 12°C at night, with about 105mm of rain. That makes it a reasonable time to visit.
Avg high
18°C
64°F
Avg low
12°C
54°F
Rainfall
105mm
#2 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Dublin builds it around the season for you.