Dublin vs Cork

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Dublin edges ahead as the better destination in September. Dublin offers 8 hours of daily sunshine with only 12 rain days, while Cork sees 4 sunshine hours and 4 rain days.

Dublin sits in the comfortable travel range at 17°C. Cork is cooler at 10°C.

For travelers who prioritize dry weather, Cork is the stronger choice in September. Dublin receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Dublin reaches an average high of 17°C (63°F) and drops to 11°C (52°F) at night during September. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Cork averages 10°C (50°F) for the high and -2°C (28°F) for the low, with a daily range of 12°C. There is a notable 7°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Dublin receives approximately 70 mm of rainfall across 12 rain days during September. You can expect rain roughly every other day.

Cork sees 50 mm over 4 rain days. That makes Cork the drier option by 8 rain days and 20 mm of total precipitation.

Both cities share similar humidity levels at 65%.