Weather in Zakinthos Island in September 2025
Average weather
Average temperature in Zakinthos Island in September
Going from a maximum of +28°C during the day to a minimum of +21°C during the night, the temperature in September averages around +26°C.
The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +26°C to +24°C.
Is Zakinthos Island warm or cold in September?
Zakinthos Island is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +26°C. The minimum temperature also goes down from +24°C to +22°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Zakinthos Island, here is the comparison with other months:
Climate in Zakinthos Island in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +26°C | +22°C | ||||
| Min. temperature | ||||||
| +15°C | +11°C | +9°C | ||||
| Max. temperature | ||||||
| +39°C | +35°C | +31°C | ||||
| Rainfall | ||||||
| 5 mm | 48 mm | 111 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 71% | 73% | 74% | ||||
| Air pressure | ||||||
| 1011 HPa | 1014 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 27 | 16 | 11 | ||||
| Cloudy days | ||||||
| 1 | 5 | 8 | ||||
| Rainy days | ||||||
| 2 | 7 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +26°C. Prepare for more rain. Average rainfall goes from 5 mm to 48 mm. Humidity rises from 71% to 73%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 27 sunny days in August to 16 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Zakinthos Island is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Zakinthos Island?
Climate Change over Years
The climate in Zakinthos Island in September has not changed much over the last 43 years.
The average temperature was the lowest in 1991 (+19°C) and the highest in 2022 (+23°C). The driest year was 1989 with only 376 mm of rainfall, and the wettest year was 2013 with 1404 mm.
FAQ
Is September a good time to visit Zakinthos Island?
Can you sunbathe in Zakinthos Island in September?
Is Zakinthos Island rainy in September?
Is it sunny in Zakinthos Island in September?
Other cities in Greece
Monthly weather in Zakinthos Island
Source of the data
For this page, we’ve looked at the typical weather in Zakinthos Island, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.