Click on a day for an hourly weather forecast
The temperatures in Kerry 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 Kerry 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 Kerry in September 2025.
If you’re planning to visit Kerry in the near future, we highly recommend that you review the 14 day weather forecast for Kerry before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 5° | 12 | 18 | 1 | 170 mm | Bad | Kerry in January |
| February | 9° / 5° | 11 | 16 | 1 | 152 mm | Bad | Kerry in February |
| March | 10° / 5° | 8 | 22 | 1 | 115 mm | Bad | Kerry in March |
| April | 12° / 6° | 6 | 24 | 0 | 93 mm | Ok | Kerry in April |
| May | 14° / 8° | 8 | 24 | 0 | 108 mm | Ok | Kerry in May |
| June | 16° / 10° | 6 | 24 | 0 | 100 mm | Good | Kerry in June |
| July | 17° / 12° | 8 | 23 | 0 | 120 mm | Ok | Kerry in July |
| August | 17° / 12° | 8 | 23 | 0 | 129 mm | Ok | Kerry in August |
| September | 16° / 11° | 7 | 23 | 0 | 123 mm | Ok | Kerry in September |
| October | 13° / 9° | 9 | 22 | 0 | 141 mm | Bad | Kerry in October |
| November | 10° / 7° | 11 | 19 | 0 | 178 mm | Bad | Kerry in November |
| December | 9° / 6° | 12 | 19 | 1 | 181 mm | Bad | Kerry in December |