Click on a day for an hourly weather forecast
The temperatures in Leixlip in September are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Leixlip 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 Leixlip in September 2025.
If you’re planning to visit Leixlip in the near future, we highly recommend that you review the 14 day weather forecast for Leixlip before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 7 | 21 | 3 | 58 mm | Awful | Leixlip in January |
| February | 8° / 2° | 7 | 17 | 4 | 58 mm | Awful | Leixlip in February |
| March | 9° / 3° | 6 | 23 | 2 | 52 mm | Bad | Leixlip in March |
| April | 11° / 4° | 5 | 24 | 0 | 53 mm | Ok | Leixlip in April |
| May | 14° / 7° | 5 | 26 | 0 | 67 mm | Good | Leixlip in May |
| June | 17° / 9° | 6 | 24 | 0 | 80 mm | Good | Leixlip in June |
| July | 18° / 11° | 5 | 26 | 0 | 81 mm | Good | Leixlip in July |
| August | 18° / 11° | 6 | 25 | 0 | 82 mm | Good | Leixlip in August |
| September | 16° / 9° | 5 | 25 | 0 | 62 mm | Good | Leixlip in September |
| October | 13° / 8° | 6 | 25 | 0 | 61 mm | Ok | Leixlip in October |
| November | 9° / 5° | 7 | 23 | 0 | 66 mm | Bad | Leixlip in November |
| December | 7° / 3° | 7 | 22 | 2 | 57 mm | Awful | Leixlip in December |