Click on a day for an hourly weather forecast
The temperatures in Ermelo in September are comfortable with low of 11°C and and high up to 26°C.
The wather in Ermelo in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Ermelo in September 2025.
If you’re planning to visit Ermelo in the near future, we highly recommend that you review the 14 day weather forecast for Ermelo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 27° / 14° | 12 | 19 | 0 | 188 mm | Good | Ermelo in January |
| February | 27° / 13° | 9 | 19 | 0 | 143 mm | Good | Ermelo in February |
| March | 26° / 12° | 7 | 24 | 0 | 99 mm | Good | Ermelo in March |
| April | 23° / 10° | 4 | 26 | 0 | 51 mm | Perfect | Ermelo in April |
| May | 20° / 9° | 2 | 29 | 0 | 13 mm | Good | Ermelo in May |
| June | 17° / 5° | 0 | 30 | 0 | 4 mm | Good | Ermelo in June |
| July | 17° / 5° | 0 | 31 | 0 | 2 mm | Good | Ermelo in July |
| August | 21° / 8° | 0 | 31 | 0 | 4 mm | Good | Ermelo in August |
| September | 26° / 11° | 1 | 29 | 0 | 22 mm | Perfect | Ermelo in September |
| October | 26° / 13° | 6 | 25 | 0 | 109 mm | Perfect | Ermelo in October |
| November | 26° / 13° | 9 | 21 | 0 | 156 mm | Good | Ermelo in November |
| December | 27° / 14° | 11 | 20 | 0 | 180 mm | Good | Ermelo in December |