Click on a day for an hourly weather forecast
The temperatures in Limerick in September are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Limerick during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Limerick in September 2025.
If you’re planning to visit Limerick in the near future, we highly recommend that you review the 14 day weather forecast for Limerick before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 3° | 10 | 19 | 2 | 112 mm | Awful | Limerick in January |
| February | 8° / 2° | 10 | 16 | 3 | 109 mm | Awful | Limerick in February |
| March | 10° / 2° | 9 | 21 | 2 | 97 mm | Awful | Limerick in March |
| April | 12° / 4° | 6 | 24 | 0 | 87 mm | Ok | Limerick in April |
| May | 15° / 6° | 8 | 23 | 0 | 100 mm | Ok | Limerick in May |
| June | 17° / 9° | 8 | 22 | 0 | 117 mm | Ok | Limerick in June |
| July | 18° / 11° | 9 | 22 | 0 | 118 mm | Ok | Limerick in July |
| August | 18° / 10° | 8 | 23 | 0 | 116 mm | Ok | Limerick in August |
| September | 17° / 9° | 7 | 23 | 0 | 104 mm | Ok | Limerick in September |
| October | 14° / 7° | 8 | 23 | 0 | 99 mm | Ok | Limerick in October |
| November | 10° / 5° | 10 | 20 | 0 | 127 mm | Bad | Limerick in November |
| December | 8° / 3° | 11 | 19 | 1 | 132 mm | Bad | Limerick in December |