Click on a day for an hourly weather forecast
The temperatures in Clare in September are quite cold with temperatures between 7°C and 18°C, warm clothes are a must.
The wather in Clare in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Clare in September 2025.
If you’re planning to visit Clare in the near future, we highly recommend that you review the 14 day weather forecast for Clare before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 32° / 18° | 2 | 30 | 0 | 27 mm | Good | Clare in January |
| February | 31° / 18° | 2 | 27 | 0 | 34 mm | Good | Clare in February |
| March | 27° / 16° | 1 | 30 | 0 | 17 mm | Perfect | Clare in March |
| April | 23° / 13° | 2 | 29 | 0 | 31 mm | Perfect | Clare in April |
| May | 18° / 10° | 2 | 29 | 0 | 39 mm | Good | Clare in May |
| June | 15° / 7° | 2 | 28 | 0 | 45 mm | Good | Clare in June |
| July | 14° / 6° | 2 | 29 | 0 | 41 mm | Good | Clare in July |
| August | 15° / 6° | 3 | 28 | 0 | 56 mm | Good | Clare in August |
| September | 18° / 7° | 2 | 28 | 0 | 46 mm | Good | Clare in September |
| October | 23° / 9° | 2 | 29 | 0 | 46 mm | Perfect | Clare in October |
| November | 26° / 13° | 2 | 28 | 0 | 45 mm | Perfect | Clare in November |
| December | 29° / 16° | 2 | 29 | 0 | 35 mm | Good | Clare in December |