Click on a day for an hourly weather forecast
The temperatures in Cluj in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Cluj 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 Cluj in September 2025.
If you’re planning to visit Cluj in the near future, we highly recommend that you review the 14 day weather forecast for Cluj before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -6° | 8 | 10 | 14 | 69 mm | Awful | Cluj in January |
| February | 3° / -4° | 8 | 10 | 11 | 68 mm | Awful | Cluj in February |
| March | 8° / 1° | 7 | 18 | 6 | 83 mm | Awful | Cluj in March |
| April | 15° / 5° | 9 | 20 | 2 | 112 mm | Bad | Cluj in April |
| May | 19° / 9° | 14 | 17 | 0 | 201 mm | Ok | Cluj in May |
| June | 24° / 13° | 15 | 15 | 0 | 216 mm | Good | Cluj in June |
| July | 26° / 14° | 11 | 20 | 0 | 156 mm | Good | Cluj in July |
| August | 27° / 15° | 5 | 26 | 0 | 84 mm | Perfect | Cluj in August |
| September | 21° / 11° | 4 | 26 | 0 | 71 mm | Good | Cluj in September |
| October | 15° / 6° | 5 | 25 | 0 | 87 mm | Good | Cluj in October |
| November | 9° / 3° | 5 | 22 | 3 | 61 mm | Bad | Cluj in November |
| December | 2° / -3° | 7 | 14 | 10 | 63 mm | Awful | Cluj in December |