West Java - Indonesia weather in September 2025
West Java - Indonesia weather in September 2025
Day
29 °C
Night
18 °C
Sea
28 °C
Precipitation
105 mm
in month
Rainy days
10 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
76 %
Day
29 °C
Night
18 °C
Sea
28 °C
Precipitation
105 mm
in month
Rainy days
10 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
76 %
Overview: West Java - Indonesia
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Weather overview and FAQs
Weather overview
In September in West Java, the average air temperature ranges from 29 °C (84 °F) during the day to 18 °C (64 °F) at night. There are 10 days of rain on average, where the rainfall is 105 mm (4.13 in).
Is September a good month to visit West Java?
In West Java in September, there are ideal conditions for a vacation. The temperature during the day will be nice 29 °C (84 °F). The temperature of the sea will be perfect at 28 °C (83 °F). At night, temperatures hover around a pleasant 18 °C (64 °F).
What temperature can I expect during the day in September in West Java?
In West Java in September, the average daily temperatures will be 29 °C (84 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
How many sunny hours can I expect in West Java in September?
There is an average length of sunshine of 8 hours per day in September in West Java.
How many rainy days can I expect in September in West Java?
In West Java in September, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.3 days of the week, or in general - 33 % days.
Is it hot in September in West Java?
In September in West Java, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the night temperature in September in West Java?
The average night temperature in West Java in September is 18 °C (64 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
Is there a dry season in September in West Java?
Yes, there is a dry season in September in West Java with just 10 days during the month being rainy.
How long is the day (from dawn till dusk) in West Java in September?
The length of daylight in West Java in September is 12 hours.
What level of humidity is to expect in West Java in September?
In West Java in September, expect humidity around 76 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is West Java rainier in September than in August?
Yes, in West Java in September it rains more than in August.