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Kenmare Weather in September
Kenmare in September averages 18°C (64°F) during the day and 10°C (50°F) at night. This is the driest month of the year.
Rainfall in Kenmare in September
The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. Looking at the last 30 years, the data shows about 19 days with rain, averaging 100 mm (3.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kenmare in September
In September, Kenmare gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Kenmare in September
The month brings about 118 hours of sunlight, offering a comfortable mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Kenmare.
Kenmare Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
64%
Precipitation
100 mm (3.9 in)
Rainy days
19 days
Humidity
77% *
Sunshine
118 hours *
Percentage Sunshine
30% *
* Data from: Valentia, Ireland (46 KM, 28 Miles).
Kenmare Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kenmare - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kenmare typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 12°C (54°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 Kenmare in September
Browse day-by-day weather records for Kenmare spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kenmare historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Kenmare.
- The hottest September day on record in Kenmare reached 27°C (81°F) (September 5, 1991).
- Kenmare experienced its chilliest September day on September 20, 2018, reaching only 11°C (52°F).
- The lowest overnight temperature recorded in September was 3°C (37°F) (September 22, 2025).
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 Kenmare 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 Kenmare in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Kenmare 3-Day Forecast
More climate data for Kenmare
Temperature Rainfall Sunshine Humidity
See the full Kenmare 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) Bucket list
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