Tralee Weather in September
Tralee in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 10°C (50°F). It's the driest month of the year, with very little rainfall to worry about.
Rainfall in Tralee in September
Conditions tend to be dry and settled, making it a good month for outdoor plans. Historically, September sees about 20 days of rain, with a monthly average of 90 mm (3.5 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Tralee in September
In September, Tralee sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°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 Tralee in September
The area enjoys a balanced 118 hours of sunlight, ensuring it's neither too overcast nor too sunny.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Tralee's climate page.
Tralee Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
65%
Precipitation
90 mm (3.5 in)
Rainy days
20 days
Humidity
77% *
Sunshine
118 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tralee typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 11°C (52°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 Tralee in September
Browse day-by-day weather records for Tralee spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tralee historical weather extremes in September
Based on weather observations in Tralee between 1976 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 5, 1991, with a maximum of 27°C (81°F).
- On September 25, 2024, Tralee saw its coldest September day with temperatures maxing out at 11°C (52°F).
- The lowest overnight temperature recorded in September was 1°C (34°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
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tolerable
unpleasant
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What to Wear in Tralee in September
For Tralee in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Tralee 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 Tralee's climate page.
Temperature Rainfall Sunshine Humidity
See the full Tralee climate overview or explore weather in Ireland.
