Lismore Weather in September

September in Lismore brings moderate temperatures, with daytime highs of 18°C (64°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 80 mm (3.1 in), so pack an umbrella.

Rainfall in Lismore in September

Analyzing past climate data, one can expect approximately 17 days of rain, averaging 80 mm (3.1 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Lismore in September

Daytime highs in Lismore in September reach 18°C (64°F), with nights around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 10°C (50°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 Lismore in September

The area enjoys a moderate level of sunlight, with around 128 hours. It's a good balance between sunny and cloudy days.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Lismore.

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

Lismore Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 55%  

Precipitation 80 mm (3.1 in)  

Rainy days 17 days  

Humidity 75% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Cork, Ireland (50 KM, 31 Miles).

What to Wear in Lismore in September

For Lismore 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Lismore 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 Ireland, check out our Lismore's climate page.

More climate data for Lismore

Temperature Rainfall Sunshine Humidity

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