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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.
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).
Larne Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Larne - and find the best time to visit.
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports9/10
Larne 3-Day Forecast
More climate data for Larne
Temperature Rainfall Sunshine Humidity
See the full Larne climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Hike the South West Coast Path
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