Click on a day for an hourly weather forecast
The temperatures in Hainaut in September are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in Hainaut 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 Hainaut in September 2026.
If you’re planning to visit Hainaut in the near future, we highly recommend that you review the 14 day weather forecast for Hainaut before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 8 | 18 | 5 | 92 mm | Awful | Hainaut in January |
| February | 7° / 1° | 7 | 16 | 5 | 79 mm | Awful | Hainaut in February |
| March | 11° / 3° | 6 | 23 | 2 | 71 mm | Bad | Hainaut in March |
| April | 15° / 5° | 4 | 25 | 1 | 54 mm | Good | Hainaut in April |
| May | 17° / 8° | 6 | 25 | 0 | 88 mm | Good | Hainaut in May |
| June | 21° / 11° | 6 | 24 | 0 | 107 mm | Good | Hainaut in June |
| July | 23° / 13° | 7 | 24 | 0 | 104 mm | Good | Hainaut in July |
| August | 23° / 13° | 6 | 25 | 0 | 106 mm | Perfect | Hainaut in August |
| September | 20° / 11° | 4 | 26 | 0 | 59 mm | Good | Hainaut in September |
| October | 15° / 8° | 6 | 25 | 0 | 70 mm | Good | Hainaut in October |
| November | 10° / 5° | 8 | 22 | 1 | 87 mm | Bad | Hainaut in November |
| December | 6° / 2° | 10 | 17 | 3 | 108 mm | Awful | Hainaut in December |