Blacksod Weather in September

September in Blacksod brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 113 mm (4.4 in), so pack an umbrella.

Rainfall in Blacksod in September

Past climate data indicates that roughly 22 days will see rain, totalling around 113 mm (4.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Blacksod in September

September in Blacksod brings typical temperatures with highs around 17°C (63°F) and lows of 12°C (54°F). Conditions are often most pleasant around the middle of the day. 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 Blacksod in September

The area enjoys a moderate level of sunlight, with around 118 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Blacksod in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in September

The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

For Blacksod itself, May, June, 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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• January
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For a detailed overview over the year and the best time to visit Ireland, check out our Blacksod's climate page.

Blacksod Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 72%  

Precipitation 113 mm (4.4 in)  

Rainy days 22 days  

Humidity 78% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 118 hours *  

Percentage Sunshine 31% *  

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

What to Wear in Blacksod in September

For Blacksod 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. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Blacksod in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Blacksod's climate page.

More climate data for Blacksod

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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