Limerick weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: June – August
What is the weather like in Limerick in September?
In September, Limerick is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 83 mm in total. All in all, September is a so-so month for a holiday in Limerick.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 60 | 57 | 34 |
| Day | 18° | 17° | 14° |
| Night | 12° | 11° | 9° |
| Sun | 5 h | 4 h | 3 h |
| Rain days | 16 | 13 | 15 |
More details for September
- Daylight
- 12 h 46 min07:07 – 19:53
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Dublin
How the score comes together
- Temperatureweight 50 %86 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 30 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Limerick in September: quick answers
Is Limerick hot in September?
No. In September, Limerick is mild: daytime highs average 17 °C and nights drop to about 11 °C.
Does it rain much in Limerick in September?
Rain is frequent, with about 13 rainy days and 83 mm in total.
Limerick month by month
The whole year in LimerickAll destinations: IrelandWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences