Collooney Weather in September

September in Collooney sees daytime temperatures around 17°C (63°F) and lows of 10°C (50°F) at night. With around 100 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Collooney in September

Climate statistics over the past 30 years suggest around 21 days of rain, with 100 mm (3.9 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Collooney in September

If you're visiting Collooney in September, expect highs of 17°C (63°F) and overnight lows around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Collooney in September

This month sees fewer sunny days, with about 93 hours of sunshine, perfect for those who enjoy cooler temperatures.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Collooney.

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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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• July
• August

• September
• October
• November
• December

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

Collooney Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 70%  

Precipitation 100 mm (3.9 in)  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, Ireland (60 KM, 37 Miles).

What to Wear in Collooney 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Collooney in September

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

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

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 Collooney's climate page.

More climate data for Collooney

Temperature Rainfall Sunshine Humidity

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