GR Athens · Autumn

Visit Athens
in September?

Athens in September: near-perfect conditions.

Open-Meteo · 10 years · 12 months compared · 37.98°N 23.73°E
29°CMax temperature
10%Rainy days
11.2hSunshine / day

Athens weather in September

✅ Good
🌡️ Temperature min / max
20°C – 29°C
🌧 Rainy days
10% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.9/10
📅 📅 Best month
September (8.9/10)

Should you visit Athens in September?

✅ Good

✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (29°C, little rain).

❌ No if: you want to avoid tourist crowds — this is the busiest period.

🌧 Rain : █░░░░░░░░░ 10%
🌡 Temperature : ███████░░░ 29°C
☀️ Sunshine : ████████░░ 11.2h/d

Our take: Favourable conditions in September (8.9/10). September scores higher but the gap is small.

Athens in September by trip type

What to expect in September

🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Athens is often underrated: 29°C, golden light and declining crowds. An interesting window. Rain is virtually absent (10% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if September (8.9/10) remains theoretically better.

All months for Athens

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
⛅ January6°C13°C25%2.38.6h6.2/10
⛅ February7°C14°C25%1.79.2h7.0/10
⛅ March8°C16°C21%1.510.6h7.1/10
🌤️ April11°C20°C20%1.111.6h7.7/10
☀️ May16°C25°C17%1.012.9h8.8/10
☀️ June21°C31°C17%0.913.2h8.5/10
☀️ July23°C34°C7%0.313.1h7.7/10
☀️ August23°C33°C8%0.412.7h8.0/10
☀️ September20°C29°C10%0.811.2h8.9/10
🌤️ October15°C23°C11%0.89.9h8.2/10
🌤️ November11°C19°C28%2.78.6h7.2/10
⛅ December8°C15°C29%3.18.2h6.6/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Athens averages 29°C, 10% rainy days and 11.2h of sunshine per day. Overall weather score: 8.9/10. See methodology →

September vs September (best month)

The best month is September (score 8.9/10). Difference:

FAQ — Athens in September

Is September a good time to visit Athens?
September is an excellent time to visit Athens (score 8.9/10). With 29°C, 11.2h of sunshine and 10% rain, conditions are very favourable.
What to do in Athens in September?
With 29°C and 11.2h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.

Find a place to stay in Athens

Find places to stay in Athens in September Search on Hotels.com

Activities and tours in Athens

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to Athens

Compare flights from all airlines. Search flights

Similar destinations in September

Other top destinations in September

Compare destinations by weather

Explore or compare

📅 Live forecast — next 12 months

Real-time data with ECMWF seasonal corrections · updated daily

Try the weather app