Generally the liquid is water and the fluid above the liquid is air. The molecules within the liquid attract each other and at the interface there are more attractive forces towards the bulk of the liquid than there are towards the adjacent gas molecules. The molecular forces tend to pull into the fluid bulk.
Weather lowdown. Despite the fact that the month of September in Athens can produce summer-like temperatures, the weather starts to cool off significantly in October, and especially at night. The average temperature this month is 19Â°C (66Â°F), while the average low is 15Â°C (59Â°C), and the average high is 23Â°C (73Â°F).
Weekly Weather Report for Athens, Greece. Looking at the weather in Athens, Greece over the next 7 days, the maximum temperature will be 19â (or 66â) on Sunday 25 th February at around 2 pm. In the same week the minimum temperature will be 8â (or 47â) on Tuesday 20 th February at around 5 am.