County Wicklow weather in September
Cool, with some rainy days. Average highs of 15°C and lows of 9°C, with around 12 rainy days expected throughout the month.
While September isn't our top-rated month for County Wicklow, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
15°C
Average low
9°C
Rainy days
12 days
Best months to visit
Year-round
What to do in County Wicklow in September
Whatever the weather, County Wicklow rewards curious visitors. Here are some of the best ways to spend your time:
Explore the historic architecture and cultural heritage of County Wicklow
Hike scenic trails through surrounding natural areas
Experience local cuisine at traditional restaurants and markets
Photograph stunning vistas and charming town scenery
Connect with locals and learn regional customs and traditions
Relax in cafés and embrace the slower pace of life
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
6C
Cold, with some rainy days.
February
7C
Cold, with regular rainfall.
March
8C
Cold, with regular rainfall.
April
10C
Cool, with some rainy days.
May
13C
Cool, with some rainy days.
June
16C
Cool, with regular rainfall.
July
18C
Mild and comfortable, with regular rainfall.
August
17C
Cool, with some rainy days.
September (you are here)
15C
Cool, with some rainy days.
October
12C
Cool, with regular rainfall.
November
8C
Cold, with regular rainfall.
December
7C
Cold, with regular rainfall.
Book your September trip to County Wicklow
Find hotels, tours and experiences for the perfect escape.
