Athens weather in September
“Reliably warm, dry, and generous with light.”
Roughly 3 rainy days across the month, on average.
In september, Athens settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 29°C (83°F), cooling to 20°C after sunset. Rain is rare enough that you can plan without a contingency. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Athens in September
- •Breathable cotton or linen, and a broad-brimmed hat
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Athens in September
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
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Where to stay in Athens
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Athens across trusted platforms.
Compare hotels on Booking.com→September vs. the rest of the year
How this month compares in Athens. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Athens
September is one of the best months to visit Athens — alongside March, April, May. Ten-year climate data confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for AthensOther places with a similar climate right now
Athens in September — FAQ
Q01Is September a good time to visit Athens?
Is September a good time to visit Athens?
Yes — this is one of the best months of the year to visit. In September, Athens averages a high of 29°C (83°F) and a low of 20°C (67°F), with 28mm of rainfall across roughly 3 rainy days.
Q02What is the average temperature in Athens in September?
What is the average temperature in Athens in September?
The average high temperature in Athens during September is 29°C (83°F), with an average low of 20°C (67°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Athens have in September?
How many rainy days does Athens have in September?
Athens averages approximately 3 rainy days in September, with a total monthly rainfall of about 28mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Athens in September?
What should I pack for Athens in September?
For Athens in September, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Athens in September?
How crowded is Athens in September?
Tourist crowds in Athens during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.