Click on a day for an hourly weather forecast
The temperatures in Ennis in September are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Ennis 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 Ennis in September 2025.
If you’re planning to visit Ennis in the near future, we highly recommend that you review the 14 day weather forecast for Ennis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 3° | 10 | 20 | 1 | 100 mm | Bad | Ennis in January |
| February | 9° / 3° | 9 | 17 | 2 | 94 mm | Awful | Ennis in February |
| March | 10° / 3° | 7 | 22 | 1 | 84 mm | Bad | Ennis in March |
| April | 12° / 4° | 6 | 24 | 0 | 76 mm | Ok | Ennis in April |
| May | 15° / 7° | 7 | 24 | 0 | 87 mm | Ok | Ennis in May |
| June | 17° / 9° | 7 | 23 | 0 | 102 mm | Ok | Ennis in June |
| July | 18° / 11° | 8 | 23 | 0 | 104 mm | Ok | Ennis in July |
| August | 18° / 11° | 6 | 25 | 0 | 102 mm | Good | Ennis in August |
| September | 17° / 10° | 6 | 24 | 0 | 88 mm | Good | Ennis in September |
| October | 14° / 8° | 7 | 24 | 0 | 89 mm | Ok | Ennis in October |
| November | 10° / 5° | 9 | 21 | 0 | 117 mm | Bad | Ennis in November |
| December | 8° / 4° | 10 | 20 | 1 | 122 mm | Bad | Ennis in December |