September is a popular month to ask about Anyer Beach because conditions can shift week to week along this coast. Expect the water near 27,0°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 Java Sea.
Anyer Beach sea temperature in September — averages 27,0°C
The sea at Anyer Beach in Indonesia averages 27,0°C during September, based on long-run climatology for the Java 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
27,0°C
tropical · Excellent
Live water now
…
Recommended wetsuit
No wetsuit
At 27.0°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Monthly comparison
Yes — ideal swimming weather · Anyer Beach
Can you swim at Anyer Beach in July? — 27,0°C water27,0°CCan you swim at Anyer Beach in August? — 27,0°C water27,0°CCan you swim at Anyer Beach in September? — 27,0°C water27,0°CCan you swim at Anyer Beach in October? — 28,0°C water28,0°CCan you swim at Anyer Beach in November? — 29,0°C water29,0°CCan you swim at Anyer Beach in December? — 29,0°C water29,0°C
Frequently asked questions
What is the average sea temperature at Anyer Beach in September?
Anyer Beach averages 27,0°C in September, based on long-run climatology for the Java Sea.
Is the sea warm enough to swim at Anyer Beach in September?
Yes, most swimmers find 27,0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Anyer Beach in September?
No wetsuit needed.