September is a popular month to ask about Sidari Beach because conditions can shift week to week along this coast. Expect the water near 25.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Mediterranean Sea.
Sidari Beach sea temperature in September — averages 25.0°C
The sea at Sidari Beach in Greece averages 25.0°C during September, based on long-run climatology for the Mediterranean Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · September
25.0°C
hot · Excellent
Live water now
…
Recommended wetsuit
No wetsuit
At 25.0°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Monthly comparison
Yes — ideal swimming weather · Sidari Beach
Can you swim at Sidari Beach in June? — 23.0°C water23.0°CCan you swim at Sidari Beach in July? — 25.0°C water25.0°CCan you swim at Sidari Beach in August? — 26.0°C water26.0°CCan you swim at Sidari Beach in September? — 25.0°C water25.0°CCan you swim at Sidari Beach in October? — 22.0°C water22.0°CCan you swim at Sidari Beach in November? — 20.0°C water20.0°C
Frequently asked questions
What is the average sea temperature at Sidari Beach in September?
Sidari Beach averages 25.0°C in September, based on long-run climatology for the Mediterranean Sea.
Is the sea warm enough to swim at Sidari Beach in September?
Yes, most swimmers find 25.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Sidari Beach in September?
No wetsuit needed.