Aghalee Weather in September

September in Aghalee typically sees daytime highs of 18°C (64°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Aghalee in September

Expect around 19 days of rain based on historical data, with 75 mm (3 in) average. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Aghalee in September

September in Aghalee brings moderate temperatures, with highs of 18°C (64°F) and nights around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 10°C (50°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 Aghalee in September

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

Wind Speed in Aghalee in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in September

The water temperature is 13°C (55°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer 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 the United Kingdom, check out our Aghalee's climate page.

Aghalee Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Water Temperature 13°C (55°F) *  

Chance of Rain 62%  

Precipitation 75 mm (3 in)  

Rainy days 19 days  

Humidity 91% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (15 KM, 9 Miles).

What to Wear in Aghalee in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 13°C (55°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Aghalee in September

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

Swimming

6/10

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 Aghalee's climate page.

More climate data for Aghalee

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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