Kilkee Weather in September
Kilkee in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 104 mm (4.1 in) on average, so pack waterproofs just in case.
Rainfall in Kilkee in September
You can expect rain on roughly 20 days based on historical data, averaging 104 mm (4.1 in) 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 Kilkee in September
Expect highs of 18°C (64°F) in Kilkee in September, with nights dropping to around 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. 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 Kilkee in September
With about 116 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Kilkee.
Kilkee Temperature in September
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Chance of Rain
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Kilkee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kilkee - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kilkee typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Kilkee in September
Browse day-by-day weather records for Kilkee spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kilkee historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Kilkee.
- The hottest September day on record in Kilkee reached 27°C (81°F) (September 7, 2021).
- The coldest September day was on September 25, 2024, with a maximum of 11°C (52°F).
- Nighttime temperatures dropped to 2°C (36°F) on September 27, 2007, marking the coldest September night on record.
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 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 Kilkee 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. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Kilkee in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling5/10 -
Walking5/10 -
Camping6/10 -
Outdoor sports9/10
Kilkee 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Kilkee climate overview or explore weather in Ireland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Westport
17°C (63°F) Doolin17°C (63°F) Kilkenny
18°C (64°F) Cork18°C (64°F) Kenmare18°C (64°F) Killarney17°C (63°F) Galway18°C (64°F) Dublin18°C (64°F) 
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