Click on a day for an hourly weather forecast
The temperatures in Kildare 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 Kildare 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 Kildare in September 2025.
If you’re planning to visit Kildare in the near future, we highly recommend that you review the 14 day weather forecast for Kildare before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 7 | 19 | 5 | 60 mm | Awful | Kildare in January |
| February | 7° / 2° | 8 | 16 | 4 | 60 mm | Awful | Kildare in February |
| March | 9° / 2° | 6 | 22 | 3 | 53 mm | Bad | Kildare in March |
| April | 11° / 4° | 6 | 24 | 1 | 49 mm | Ok | Kildare in April |
| May | 14° / 6° | 6 | 25 | 0 | 61 mm | Good | Kildare in May |
| June | 16° / 9° | 6 | 24 | 0 | 71 mm | Good | Kildare in June |
| July | 18° / 11° | 5 | 26 | 0 | 68 mm | Good | Kildare in July |
| August | 18° / 10° | 6 | 26 | 0 | 68 mm | Good | Kildare in August |
| September | 16° / 9° | 5 | 25 | 0 | 58 mm | Good | Kildare in September |
| October | 13° / 7° | 6 | 25 | 0 | 65 mm | Ok | Kildare in October |
| November | 9° / 4° | 7 | 22 | 1 | 68 mm | Bad | Kildare in November |
| December | 7° / 2° | 7 | 21 | 3 | 62 mm | Awful | Kildare in December |