Zakynthos weather in September
Zakynthos in September averages 23°C (74°F), 51 mm of rain and 8.8 hours of sun a day.
Of the twelve months in Zakynthos, September is the fourth warmest, the sixth driest and the fifth sunniest.

- Average temp
- 23°C (74°F)
18–28°C · 65–83°F
- Rainfall
- 51 mm
Showers likely
- Sunshine
- 8.8 h
hours per day
What is Zakynthos like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Zakynthos in September?
High-factor sun cream
With 8.8 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 51 mm falls this month — showers rather than washouts.
September compared with August and October
September in Zakynthos is 3.8°C cooler than August and 47 mm wetter than it, which averages 27°C (81°F).
September in Zakynthos is 3.8°C warmer than October and 36 mm drier than it, which averages 19°C (67°F).
Daylight in Zakynthos in September
On 15 September the sun is up for 12 hours 25 minutes in Zakynthos, rising about 07:18 and setting about 19:43 local time.
September ends 1 hour 10 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 21 minutes short of June, the longest-lit month here.
Where to stay in Zakynthos
Dates are a starting point for September.

Travel guides for Zakynthos
What to read before you book.
Zakynthos weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 11°C / 51°F | 111 mm |
| February | 11°C / 51°F | 105 mm |
| March | 12°C / 54°F | 59 mm |
| April | 15°C / 59°F | 38 mm |
| May | 19°C / 67°F | 16 mm |
| June | 24°C / 75°F | 8 mm |
| July | 26°C / 80°F | 2 mm |
| August | 27°C / 81°F | 4 mm |
| September | 23°C / 74°F | 51 mm |
| October | 19°C / 67°F | 88 mm |
| November | 16°C / 60°F | 150 mm |
| December | 12°C / 54°F | 147 mm |
Check another month
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FAQs about Zakynthos in September
September climate averages for Zakynthos, 1991–2020.
Zakynthos averages 23°C (74°F) in September, ranging from about 18°C (65°F) at night to 28°C (83°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 51 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 23°C (74°F) against 19°C (67°F) in October — 3.8°C warmer.
September is 3.8°C cooler than August, and 47 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.8 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 25 minutes of daylight in mid-September, against 14 hours 46 minutes in June and 9 hours 34 minutes in December.
On 15 September, sunrise is about 07:18 and sunset about 19:43 local time. Both shift across the month — the month ends 1 hour 10 minutes shorter than it starts.

