Climate guide for Zakynthos, Greece

Zakynthos in September

Weather, crowds & best time to visit

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September · Greece

Best time to visit Zakynthos in September Weather, crowds & prices

Weather in Zakynthos in September

Average temperature 25°C, 61 mm of rain, about 29 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

9.3/10

Ranked #4 of 12 months

Full year for Zakynthos
Avg temp
25°C
Rainfall
61 mm
Humidity
69%
Days with 6h+ sun
29
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Zakynthos scores 9.3/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 25°C, 61 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.

Zakynthos pairs the Shipwreck cove and blue caves with turtle-nesting beaches and green Ionian hills.

September is one of the strongest months in Zakynthos (4th)

With 25°C (76°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

Budget for roughly 61 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Zakynthos at 9.3/10 (4th of 12), just behind June at 10/10.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

Budget for mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Zakynthos in September?
In September, Zakynthos averages 25°C, 61 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
Is September a good time to visit Zakynthos?
September earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Zakynthos in September?
Expect about 61 mm of rain in September. Average humidity is 69% and there are about 29 days with 6+ hours of sunshine.

Curated in Zakynthos

Tickets & experiences

Things to do in Zakynthos

Zakynthos, Greece. Live activities and tours from GetYourGuide, matched to this destination.