What is the weather like in Dublin vs Galway in September?

In September, Dublin averages 18°C high / 10°C low with about 79 mm of rain; Galway averages 16°C high / 11°C low with about 93 mm.

Dublin vs Galway in September

Dublin is the better pick in September — 80 vs 76 on SeasonMap's comfort score. Dublin is nice, a little rain, clean air, while Galway is cool, rainy, clean air.

Dublin vs Galway — September climate, side by side

	🇮🇪 Dublin	🇮🇪 Galway
Comfort score	80/100 (A)	76/100 (B)
Feels-like high	16°C	15°C
Avg high / low	18° / 10°	16° / 11°
Rainfall	79 mm	93 mm
Rainy days	13	14
Humidity	81%	82%
Air quality (AQI)	36	36

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Dublin 🇮🇪 Irelandnice, a little rain, clean air · best July80
Galway 🇮🇪 Irelandcool, rainy, clean air · best July76

Dublin vs Galway in September — FAQ

Is September better in Dublin or Galway?: Dublin is the better pick in September — 80 vs 76 on SeasonMap's comfort score. Dublin is nice, a little rain, clean air, while Galway is cool, rainy, clean air.
What is the weather like in Dublin vs Galway in September?: In September, Dublin averages 18°C high / 10°C low with about 79 mm of rain; Galway averages 16°C high / 11°C low with about 93 mm.