Weather in Dublin in September
Dublin, Ireland averages a high of 16.5°C (61.7°F) and low of 11.5°C (52.7°F) in September, with 12 rain days and 8.3 hours of daily sunshine. Travel score: 64.9/100 (Good). The best time to visit Dublin is July.
High
17°C62°F
Low
12°C53°F
🌧️
12
rain days
☀️
8.3
hrs/day sunshine
💧
81%
humidity
65— Good
September in Dublin is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Dublin?
How much does it rain in Dublin in September?
Dublin receives an average of 69.1mm of rainfall across 12 rainy days in September. The annual total is 850.4mm.
What should I pack for Dublin in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 17°C
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Ireland in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Dublin
Popular comparisons:
How can I plan my trip to Dublin?
What other cities are near Dublin?
What are other popular cities in Ireland?
What is the weather like in other months in Dublin?
Data based on 1994–2024 averages · Last updated: 2024-12-31