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Porto Heli in September averages 27°C (81°F) during the day and 22°C (72°F) at night. This is part of the summer season. Some rainfall is to be expected.
If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September and October typically offer the best circumstances for Porto Heli.
Pick a month to see the average temperature, rainfall and sunshine in Porto Heli - and find the best time to visit.
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Porto Heli climate overview or explore weather in Greece.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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