Larne Weather in September

September in Larne brings moderate temperatures, with highs of 16°C (61°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 93 mm (3.7 in), so keep a rain jacket handy.

Rainfall in Larne in September

On average, there are about 18 days with rain during this month, averaging 93 mm (3.7 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Larne in September

September in Larne brings moderate temperatures, with highs of 16°C (61°F) and nights around 12°C (54°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Larne in September

With about 109 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Larne Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 61%  

Precipitation 93 mm (3.7 in)  

Rainy days 18 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (33 KM, 21 Miles).

What to Wear in Larne in September

For Larne 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 Larne 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 the United Kingdom, check out our Larne's climate page.

More climate data for Larne

Temperature Rainfall Sunshine Humidity

See the full Larne climate overview or explore weather in the United Kingdom.