Doolin Weather in September
September in Doolin averages 17°C (63°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 132 mm (5.2 in) on average. An umbrella is a good idea.
Rainfall in Doolin in September
Analyzing past climate data, one can expect approximately 20 days of rain, averaging 132 mm (5.2 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Doolin in September
September in Doolin brings typical temperatures with highs around 17°C (63°F) and lows of 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Doolin in September
The month experiences a moderate amount of sunlight, with 116 hours of sunshine. This provides a nice balance between sunshine and clouds.Should you favor a climate that's both dry and comfortably warm, May, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Doolin's climate page.
Doolin Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Chance of Rain
66%
Precipitation
132 mm (5.2 in)
Rainy days
20 days
Humidity
70% *
Sunshine
116 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Doolin typically stay consistent throughout September, with daily highs averaging around 17°C (63°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 for Doolin in September
Browse day-by-day weather records for Doolin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Doolin historical weather extremes in September
The extremes listed below come from historical weather data collected in Doolin from 1976 through 2025.
- The warmest day in September was on September 7, 2021, with a maximum of 27°C (81°F).
- Doolin experienced its chilliest September day on September 25, 2024, reaching only 10°C (50°F).
- Doolin registered its coldest September night on September 27, 2007, with temperatures dropping to 2°C (36°F).
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
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tolerable
unpleasant
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What to Wear in Doolin in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Doolin in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Doolin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Doolin climate overview or explore weather in Ireland.
