The month in detail
What to expect in September
Autumn in Athens is often underrated: 29°C, golden light and declining crowds. An interesting window. Rain is virtually absent (9% of days) — ideal for planning without a backup. This is one of the best times of year to visit Athens.
September is the best month of the year in Athens. Compared to August: −4°C daytime, −1.8h of sun per day.
This month's conditions
What it's like in September
UV index
7 · high
sunscreen and hat advised
Feels like
comfortable
14°
Sea
25°C
pleasant for swimming
Daylight
12.2h of daylight
Air quality
good
AQI 34
Compare
Is September the right month?
The best month in Athens is June (9.1/10), 0.0 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Athens
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Athens
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Greece
🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 34°C
❄️Coolest monthJanuary · 13°C
🌧️Rainiest month ⓘDecember · 22%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Athens ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
GreeceTemperate oceanic climate with a 9.1 → 4.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
37.98°N · 23.73°E
Questions
Frequently asked questions
What is the best time to visit Athens?
June is the best month with 31.0°C highs, 21.0°C lows, 11.2h of sunshine and 12.0% rainy days. The months of June & September offer comparable conditions.
How many hours of sunshine does Athens get in June?
Athens averages 11.2 sunshine hours per day in June. It is the sunniest month with a climate score of 8.8/10.
What is the rainiest month in Athens?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Athens in June?
In June, overnight lows reach 21.0°C, while afternoon highs average 31.0°C.
Is Athens good in winter?
In winter (December-February), Athens scores 4.2/10 on average — Difficult period — prefer the peak season.. The best month overall remains June with a score of 8.8/10.
When should you avoid Athens?
January is the most difficult month to visit Athens, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Athens in September?
In September, the sea averages 25°C in Athens: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Athens in September?
The average UV index reaches 7 in September in Athens (high), with about 12.2h of daylight. Sunscreen and hat advised.