Click on a day for an hourly weather forecast
The temperatures in Zumaia in September are comfortable with low of 16°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Zumaia 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 Zumaia in September 2025.
If you’re planning to visit Zumaia in the near future, we highly recommend that you review the 14 day weather forecast for Zumaia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 6° | 11 | 20 | 1 | 204 mm | Bad | Zumaia in January |
| February | 11° / 6° | 10 | 17 | 2 | 172 mm | Awful | Zumaia in February |
| March | 13° / 7° | 8 | 23 | 0 | 132 mm | Bad | Zumaia in March |
| April | 15° / 9° | 8 | 22 | 0 | 127 mm | Ok | Zumaia in April |
| May | 17° / 11° | 8 | 23 | 0 | 143 mm | Ok | Zumaia in May |
| June | 20° / 14° | 8 | 22 | 0 | 152 mm | Ok | Zumaia in June |
| July | 23° / 17° | 6 | 25 | 0 | 111 mm | Perfect | Zumaia in July |
| August | 24° / 17° | 5 | 26 | 0 | 104 mm | Perfect | Zumaia in August |
| September | 22° / 16° | 5 | 25 | 0 | 100 mm | Good | Zumaia in September |
| October | 19° / 14° | 6 | 25 | 0 | 120 mm | Good | Zumaia in October |
| November | 14° / 10° | 10 | 20 | 0 | 227 mm | Ok | Zumaia in November |
| December | 12° / 8° | 9 | 21 | 1 | 149 mm | Bad | Zumaia in December |