Click on a day for an hourly weather forecast
The temperatures in Dublin in September are usually low and can range between 11°C and 16°C.
You can expect about 3 to 8 days of rain in Dublin 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 Dublin in September 2024.
If you’re planning to visit Dublin in the near future, we highly recommend that you review the 14 day weather forecast for Dublin before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 10 | 18 | 2 | 103 mm | Awful | Dublin in January |
| February | 8° / 4° | 8 | 18 | 2 | 92 mm | Awful | Dublin in February |
| March | 9° / 5° | 7 | 23 | 1 | 78 mm | Bad | Dublin in March |
| April | 10° / 6° | 7 | 22 | 1 | 72 mm | Bad | Dublin in April |
| May | 13° / 8° | 6 | 25 | 0 | 74 mm | Ok | Dublin in May |
| June | 15° / 11° | 6 | 24 | 0 | 98 mm | Good | Dublin in June |
| July | 17° / 12° | 7 | 24 | 0 | 97 mm | Ok | Dublin in July |
| August | 17° / 12° | 7 | 24 | 0 | 106 mm | Ok | Dublin in August |
| September | 16° / 11° | 7 | 23 | 0 | 89 mm | Ok | Dublin in September |
| October | 13° / 10° | 8 | 23 | 0 | 123 mm | Bad | Dublin in October |
| November | 10° / 7° | 9 | 21 | 0 | 124 mm | Bad | Dublin in November |
| December | 8° / 5° | 9 | 20 | 2 | 114 mm | Awful | Dublin in December |