The temperatures in Athens in September are comfortable with low of 14°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Athens during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Athens in September 2025.
If you’re planning to visit Athens in the near future, we highly recommend that you review the 14 day weather forecast for Athens before you arrive.
Temperatures
26° / 14°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
107
mm
Sun Hours
10.3
Hrs
