Monthly climate ·Athens weather in September
In September, Athens averages around 29° by day and 20° at night, with 3 rain days a month — about a 10% chance of rain on any given day.
By day
29°C
At night
20°C
Daily rain chance
10%
Rain days a month
3
Monthly precipitation
25 mm
Sunshine hours a day
11.4
Average of 2016–2025 (Open-Meteo archive). Typical climate — not a forecast.
Is September a good time to visit Athens?
Yes — September is a great time to visit Athens: around 29° by day with hardly any rain (3 rain days on average).
Every month in Athens
Frequently asked questions
- What is the weather in Athens in September?
- In September, temperatures in Athens average between 20° at night and 29° by day, with 3 rain days a month (average of 2016–2025).
- How much rain falls in Athens in September?
- Athens gets about 25 mm of rain in September on average, spread over roughly 3 rain days.
- Is September a good time to visit Athens?
- Yes — September is a great time to visit Athens: around 29° by day with hardly any rain (3 rain days on average).