Early autumn · Weather & things to do
Athens in September
Athens cools off: highs slip to 83°F (28°C), from 90°F in August, with lows of 68°F (20°C) and about 1.1 in (29 mm) of rain.
September opens the best stretch on our comfort score, at 95/100 (4th of 12).
- Avg high
- 83°F (28°C)
- Avg low
- 68°F (20°C)
- Rain
- 1.1 in (29 mm)
- Humidity
- 61%
- Cloud cover
- 24%
- Daylight
- ~12 h 14 min
- Comfort score
- 95/100 · Great
What September feels like
Days are warm, averaging 83°F (28°C), easy weather for being outside from morning to evening.
After dark, temperatures fall to about 68°F (20°C).
Rain is scarce: about 1.1 in (29 mm) for the whole month.
Clear skies are common, with cloud cover averaging only 24%.
Plan around September
September is one of Athens's best months on the climate data.
- Last dry month before the rain picks up: October brings 1.9 in (49 mm).
- Opens the best-scoring stretch on our comfort score: April – June and September – November.
- Comfort improves from 78/100 in August to 95/100.
- September sits inside the May – Oct window our Greek Island Hop route recommends.
What to pack for September
- Light, breathable clothes83°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Comfortable walking shoesmost picks involve some walking
What to do in Athens in September
With conditions on your side, the picks below favor time outside.
Ancient Agora
Ancient marketplace with the well-preserved Temple of Hephaestus.
Acropolis Museum
Original Acropolis sculptures in a glass building over excavated ruins.
Brettos
Plaka distillery-bar from 1909 with a wall of colored bottles.
Varvakios Central Market
Noisy meat and fish halls with spice shops on the surrounding streets.
Lycabettus Hill
Highest point in central Athens, with views to the Acropolis and the sea.
Why now September scores 95/100 for comfort, good conditions for being outside.
Nearby in September
- Mykonos in September~95 mi · highs 75°F, 0.8 in rain · 5°C (8°F) cooler by day, about as wet
- Naxos in September~109 mi · highs 77°F, 0.7 in rain · 4°C (6°F) cooler by day, about as wet
- Santorini in September~146 mi · highs 76°F, 0.7 in rain · 4°C (7°F) cooler by day, about as wet
- Selçuk in September~198 mi · highs 92°F, 0.7 in rain · 5°C (9°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Athens in September: quick answers
Is September a good time to visit Athens?
Yes. On the climate data it's one of the best months, scoring 95/100. Expect highs of 83°F (28°C) and 1.1 in (29 mm) of rain. September is inside the May – Oct window our Greek Island Hop route recommends.
How hot is Athens in September?
Average highs are 83°F (28°C) and average lows 68°F (20°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Athens in September?
Not much: about 1.1 in (29 mm) of rain falls across September on average, the 5th-driest month of the year. The annual total is about 19.7 in (500 mm).
What should I pack for Athens in September?
Bring light, breathable clothes (83°F afternoons), sunscreen, sunglasses and a hat (strong sun this month) and comfortable walking shoes (most picks involve some walking).
Routes in season in September
- Greek Island Hop May – Oct
Planning Athens in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.