30YearWeather
Killarney, September 26
Killarney street view during September
Historical Weather Analysis

Killarney Weather on September 26 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

15.5°C

High

10.1°C

Low

39%

Rain

🌤️ Feels like 15.5°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 26 is generally a great time to visit Killarney. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 16°C weather. It's a lively time to explore Killarney, with most attractions operating at full capacity.

Currency

EUR

Euro

Language

English

+1 more

Driving

Left side

Connect

As of May 2021, Killarney has 4G from al...

Safety

Very High Safety

GPI: 1.288

Killarney Weather Forecast for September 26

"Mild & Comfortable. Expect average highs of 15.5°C. 39% chance of rain."

What to Wear in Killarney in September

Based on historical data for September 26, Killarney typically experiences temperatures between 10.1°C and 15.5°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 39% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Killarney

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

15.5°C

Daytime Peak

Average Low

extreme-cold

10.1°C

Nighttime Low

Feels Like

partly-cloudy-day

15.5°C

🌤️ Feels accurate

Rain Chance

rain

39%

Avg 2.6mm if it rains

Cloud Cover

cloudy

79%

Overcast

Pressure

pressure

1013.7 hPa

High volatility

Killarney Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

90%Highly Predictable

Based on 10 years of data

Temperature
±2.1°CStable
Precipitation
20-70%Unpredictable

🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.7Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 47 min to burn

Type III-IV

🟡 71 min to burn

Type V-VI

🟢 118 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

66Good
TemperatureMild
HumidityMuggy
WindBreezy

Dew Point

13°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Ireland

Flight Traffic

Busy

71/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~5

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Killarney

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:31

☀️ Noon

12:30

🌇 Sunset

18:30

⏱️ Daylight

11h 58m

Golden Hour
Morning06:31 - 07:16
17:45 - 18:30Evening

Wind Speed

wind

18.3 km/h

Gentle breeze

Sunshine

clear-day

6.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Killarney

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Killarney

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

69/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1013.7 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
27AQI
Good
PM2.5 Concentration5.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Killarney on September 26 averages 15.5°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 77/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Killarney Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
19°C
Coldest
2020
5.3°C
Rainiest
2019
15.5mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 26) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Killarney Worth Visiting on September 26?

Planning a trip to Killarney on September 26? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 15.5°C with a 39% historical precipitation risk.

✈️ Travel Logistics: Approximately 5 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Ireland, including COVID-19.

📊 Historical Extremes: The hottest September 26 recorded in the last 30 years saw temperatures hit 19°C in 2018, while the coldest dropped to 5.3°C in 2020.

Killarney Weather FAQ