Click on a day for an hourly weather forecast
The temperatures in Gent in September are usually low and can range between 12°C and 20°C.
You can expect about 3 to 8 days of rain in Gent 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 Gent in September 2025.
If you’re planning to visit Gent in the near future, we highly recommend that you review the 14 day weather forecast for Gent before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 8 | 18 | 5 | 95 mm | Awful | Gent in January |
| February | 7° / 2° | 8 | 15 | 5 | 75 mm | Awful | Gent in February |
| March | 11° / 4° | 6 | 23 | 2 | 74 mm | Bad | Gent in March |
| April | 15° / 6° | 4 | 25 | 1 | 52 mm | Good | Gent in April |
| May | 18° / 9° | 6 | 25 | 0 | 89 mm | Good | Gent in May |
| June | 21° / 12° | 6 | 24 | 0 | 102 mm | Good | Gent in June |
| July | 23° / 14° | 6 | 25 | 0 | 104 mm | Perfect | Gent in July |
| August | 23° / 14° | 6 | 25 | 0 | 107 mm | Perfect | Gent in August |
| September | 20° / 12° | 4 | 26 | 0 | 64 mm | Good | Gent in September |
| October | 15° / 9° | 6 | 25 | 0 | 81 mm | Good | Gent in October |
| November | 10° / 6° | 8 | 21 | 1 | 89 mm | Bad | Gent in November |
| December | 7° / 3° | 9 | 18 | 4 | 107 mm | Awful | Gent in December |