When to go · Athens
Athens in September
Mixed month. Still hot; easing late in the month.
Key facts
- Verdict
- Mixed
- Temperature
- 29°C (84°F)84°F (29°C) / 19°C (66°F)66°F (19°C)
- average high / low
- Rain days
- 3
- Crowds
- Medium
- Greece overall
- Prices
- Medium
- Greece overall
Verdict
Still hot; easing late in the month.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than September?
September is rated mixed. These months rate higher:
Weather in September
- AthensHighs around 29 °C (84 °F), lows around 19 °C (66 °F), rain on about 3 daysHighs around 84 °F (29 °C), lows around 66 °F (19 °C), rain on about 3 days
- Athens and Attica, Greece · Athens, Piraeus, Cape Sounionbest weather
Dry and sunny; July–August often over 35 °C (95 °F) with heatwaves to 40+ °C. Winters mild with rainy spells.Dry and sunny; July–August often over 95 °F (35 °C) with heatwaves to 40+ °C. Winters mild with rainy spells.
Autumn season
Warm early, cooling and rainier late; a good walking window through September–October.
Crowds and prices
- Crowds · Greece overall
- Medium
- Prices · Greece overall
- Medium
Greece overall: Warmest sea, easing crowds and heat; the best all-round month for islands.
Compare two months
Weather, crowds and prices for any two months in Athens, side by side.
Verdict
Sep: Mixed
Apr: Great (better)
Daytime high
Sep: 29 °C (84 °F)84 °F (29 °C)
Apr: 20 °C (68 °F)68 °F (20 °C)
Night low
Sep: 19 °C (66 °F)66 °F (19 °C)
Apr: 11 °C (52 °F)52 °F (11 °C)
Rain days
Sep: 3 (better)
Apr: 7
Crowds
Sep: Medium
Apr: Medium
Prices
Sep: Medium
Apr: Medium
Festivals listed
Sep: 0
Apr: 1
September: Still hot; easing late in the month.
April: Warm; Orthodox Easter closures some years.
Athens: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.