Cahir Weather in September

In Cahir, September brings moderate daytime temperatures around 18°C (64°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.

Rainfall in Cahir in September

Historically, September sees about 17 days of rain, with a monthly average of 75 mm (3 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Cahir in September

September in Cahir sees highs of 18°C (64°F) and lows of 9°C (48°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Cahir in September

The area enjoys a balanced 116 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, July typically offers 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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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Cahir's climate page.

Cahir Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 56%  

Precipitation 75 mm (3 in)  

Rainy days 17 days  

Humidity 70% *  

Sunshine 116 hours *  

Percentage Sunshine *  

* Data from: Limerick, Ireland (57 KM, 35 Miles).

What to Wear in Cahir in September

For Cahir 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Cahir 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

4/10

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 Cahir's climate page.

More climate data for Cahir

Temperature Rainfall Sunshine Humidity

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