Wicklow Weather in September

Wicklow in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 88 mm (3.5 in), so pack a rain jacket to stay dry.

Rainfall in Wicklow in September

Typically, about 15 days will experience rainfall, with an average of 88 mm (3.5 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Wicklow in September

Temperatures in Wicklow in September top out at 17°C (63°F) and drop to 12°C (54°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Wicklow in September

The area experiences a moderate amount of sunshine, with approximately 128 hours of sunlight expected. This means a decent mix of sun and overcast.

For Wicklow itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Ireland, check out our Wicklow's climate page.

Wicklow Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 50%  

Precipitation 88 mm (3.5 in)  

Rainy days 15 days  

Humidity 71% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Dublin, Ireland (52 KM, 32 Miles).

What to Wear in Wicklow in September

For Wicklow in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Wicklow in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Wicklow's climate page.

More climate data for Wicklow

Temperature Rainfall Sunshine Humidity

See the full Wicklow climate overview or explore weather in Ireland.