Weather in Athens in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Athens.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAthens in September is hot — daytime temperatures average 28.5°C, dropping to 19.6°C at night. The month is mostly dry with only occasional showers, with roughly 11.4 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Athens — every month compared. Once you know when to go, find your Athens packing list at 247PackingList.
Get ready for Athens in September
Search flights to Athens
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Athens in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Athens
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 12.6°C | 78.0mm | 10/10 |
| February | 13.5°C | 42.9mm | 10/10 |
| March | 14.8°C | 42.8mm | 10/10 |
| April | 19.0°C | 40.4mm | 10/10 |
| May | 25.0°C | 37.5mm | 10/10 |
| June | 29.1°C | 34.6mm | 10/10 |
| July | 33.9°C | 3.2mm | 10/10 |
| August | 33.1°C | 15.3mm | 10/10 |
| September | 28.5°C | 19.8mm | 10/10 |
| October | 23.5°C | 33.7mm | 10/10 |
| November | 18.9°C | 49.5mm | 10/10 |
| December | 15.2°C | 103.8mm | 9/10 |
Full month-by-month guide: best time to visit Athens →
For facts about Greece — currency, language and dialling code — see our Greece country guide at 247CountryInfo. Travellers also find it useful to keep a Athens travel guide to hand. Check clothing sizes in Greece before you shop.
Frequently Asked Questions
Is September a good time to visit Athens?
September rates 10/10 for visiting Athens — excellent time to visit. Expect average highs of 28.5°C, 19.8mm of rain across the month and about 11.4 hours of daily sunshine.
What is the temperature in Athens in September?
In September, Athens has average highs of 28.5°C (83.3°F) and average lows of 19.6°C (67.3°F).
Does it rain in Athens in September?
Not much. September averages just 19.8mm of rain in Athens — the odd shower is possible but most days stay dry.
What should I wear in Athens in September?
For Athens in September (28.5°C highs / 19.6°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Athens in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.