Blacksod
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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.

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).

Blacksod Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Blacksod - and find the best time to visit.

Best Places in Ireland in September

Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland 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 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

Blacksod 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

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