Click on a day for an hourly weather forecast
The weather in Zakynthos in September is hot. The average temperatures are between 22°C and 26°C.
You can expect about 3 to 8 days of rain in Zakynthos 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 Zakynthos in September 2025.
If you’re planning to visit Zakynthos in the near future, we highly recommend that you review the 14 day weather forecast for Zakynthos before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 11° | 7 | 24 | 0 | 145 mm | Ok | Zakynthos in January |
| February | 15° / 11° | 5 | 23 | 0 | 120 mm | Good | Zakynthos in February |
| March | 16° / 12° | 5 | 26 | 0 | 81 mm | Good | Zakynthos in March |
| April | 18° / 14° | 2 | 28 | 0 | 40 mm | Good | Zakynthos in April |
| May | 21° / 17° | 2 | 29 | 0 | 28 mm | Good | Zakynthos in May |
| June | 25° / 20° | 1 | 29 | 0 | 28 mm | Perfect | Zakynthos in June |
| July | 28° / 23° | 0 | 31 | 0 | 6 mm | Perfect | Zakynthos in July |
| August | 29° / 24° | 0 | 31 | 0 | 7 mm | Good | Zakynthos in August |
| September | 26° / 22° | 4 | 26 | 0 | 107 mm | Perfect | Zakynthos in September |
| October | 23° / 19° | 7 | 24 | 0 | 167 mm | Good | Zakynthos in October |
| November | 20° / 16° | 7 | 23 | 0 | 178 mm | Ok | Zakynthos in November |
| December | 17° / 13° | 6 | 25 | 0 | 146 mm | Good | Zakynthos in December |