Click on a day for an hourly weather forecast
The temperatures in Kielce in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Kielce 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 Kielce in September 2026.
If you’re planning to visit Kielce in the near future, we highly recommend that you review the 14 day weather forecast for Kielce before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -4° | 5 | 7 | 19 | 70 mm | Awful | Kielce in January |
| February | 1° / -3° | 6 | 6 | 17 | 65 mm | Awful | Kielce in February |
| March | 7° / 0° | 6 | 16 | 10 | 58 mm | Bad | Kielce in March |
| April | 14° / 5° | 6 | 21 | 3 | 70 mm | Ok | Kielce in April |
| May | 18° / 8° | 9 | 22 | 0 | 129 mm | Ok | Kielce in May |
| June | 22° / 13° | 8 | 22 | 0 | 120 mm | Ok | Kielce in June |
| July | 24° / 14° | 9 | 22 | 0 | 151 mm | Good | Kielce in July |
| August | 24° / 14° | 5 | 26 | 0 | 92 mm | Perfect | Kielce in August |
| September | 19° / 11° | 6 | 24 | 0 | 89 mm | Good | Kielce in September |
| October | 13° / 6° | 6 | 23 | 1 | 83 mm | Ok | Kielce in October |
| November | 7° / 3° | 5 | 19 | 5 | 55 mm | Bad | Kielce in November |
| December | 2° / -2° | 6 | 11 | 14 | 61 mm | Awful | Kielce in December |