what is the weather like in september in greece
Climate in Greece in September. The weather in Greece in September is warm and mild. Greeceâs Mediterranean climate means that September weather is still relatively warm. Average temperatures in Athens for September range from 19 to 29Â°C (66 to 84Â°F). The average temperature during September on many of Greeceâs islands is only slightly cooler than that of Athens. Sunshine hours begin to decrease in Greece during September.