Edinburgh vs Dublin

Edinburgh and Dublin are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Edinburgh sits in the comfortable travel range at 15°C. Dublin is also comfortable at 17°C.

For travelers who prioritize dry weather, Edinburgh is the stronger choice in September. Dublin receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Edinburgh reaches an average high of 15°C (59°F) and drops to 10°C (50°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Dublin averages 17°C (63°F) for the high and 11°C (52°F) for the low, with a daily range of 6°C. The 2°C difference is noticeable but not dramatic.

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

Edinburgh receives approximately 61 mm of rainfall across 11 rain days during September. You can expect rain roughly every other day.

Dublin sees 70 mm over 12 rain days. That makes Edinburgh the drier option by 1 rain day and 9 mm of total precipitation.

Both cities share similar humidity levels at 65%.