Java in september: average Weather, Temperature and Climate, Where to go?
Weather on the island of Java in september 2025
Below, check out the weather forecast for september for most popular cities in Java. These forecasts are probabilities for the month of september from weather reports for many years. The percentage indicates the probability of having the weather mentioned.
Average weather in september in Jakarta
good weather UV index: 8
Weather at 6am
83°F
Clear/Sunny
61% of time
23%
13%
4%
Weather at 12pm
92°F
Clear/Sunny
58% of time
18%
18%
5%
Weather at 6pm
83°F
Clear/Sunny
35% of time
28%
24%
14%
Weather at 3am
79°F
53%
25%
19%
4%
Where to go on the island of Java in september?
Where to go on the island of Java in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in september?
| Central Java (Semarang, Yogyakarta, Karimun Java...) | 81°F to 95°F | 3 à 11 days | 81°F to 85°F | good weather |
| East Java (Surabaya, Malang, Batu...) | 83°F to 97°F | 1 à 8 days | 79°F to 85°F | good weather* |
| West Java (Jakarta, Bandung, Bogor...) | 85°F to 95°F | 3 à 12 days | 79°F to 85°F | good weather* |
Where should you go on the island of Java in september when it comes to the weather?
Remember:
The climate on the island of Java in september ranges from perfect to good depending on the region and city.
It is not perfect, however, the weather in Java in september is good in Semarang, Cirebon, Genteng, Tegal, Cilacap, Sidoarjo, Kebumen, Situbondo, Tambah, Banyuwangi, Kediri, Yogyakarta, Probolinggo, Kudus, Ngawi, Karimun Java, Pekalongan, Blitar, Sumenep, Tengah, Pemalang, Lumajang, Klaten, Purwokerto, Trenggalek, Serang, Pacitan, Surabaya, Jember, Bangkalan, Purwakarta, Tuban, Tasikmalaya, Mojokerto, Surakarta, Pamanukan, Salatiga, Indramayu and Madiun. I allows to savor vacation in these locations. And even why not take a little time to enjoy the weather for... just be relax!
If you do not go to spend your time in a lounger by the pool, but, for example for hiking, the cities of Malang, Batang, Wonosobo, Jakarta, Batu, Magelang, Bogor and Sukabumi have a decent enough weather for this kind of activity in september. Eventually, avoid going because the climate is unfavorable.
Climate on the island of Java in september
Climate in Jakarta in september
In september, the mean temperature in Jakarta is 86°F (maximum temperature is 92°F and minimum temperature is 83°F). The climate is burning around this city in the month of september. With 5.2in over 7 days, you will experience some showers for your holidays. But this is rather reasonably and it will not be continuous.
With a correct climate, september is okay (but not good time) for traveling in that area in Java.
| September | |||
| Average temperature | 86°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 83°F | ||
| Sea temperature | 85°F | ||
| Rainfall | 5.2in | ||
| Number of days with rainfall | 7 day(s) (22%) | ||
| Humidity | 74% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 26% | ||
| Length of day | 12:04 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bandung in september
In the month of september, the mean temperature in Bandung is 81°F (maximum temperature is 88°F and minimum temperature is 74°F). The climate good in that area in this month. With 9.2in over 11 days, rain is to be feared during your holidays. Remember to pack Rain coats.
With an unfavorable weather, september is not the best time to go there.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 74°F | ||
| Rainfall | 9.2in | ||
| Number of days with rainfall | 11 day(s) (36%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 31% | ||
| Length of day | 12:04 | ||
| Our opinion at whereandwhen.net | good |
Climate in Surabaya in september
In the month of september, the mean temperature in Surabaya is 88°F (maximum temperature is 92°F and minimum temperature is 83°F). The climate is very warm in that area in september. With barely 0.9in over 1 days,
it rains very little for your trip.
With a good weather, the month of september is a good month to go in this city in Indonesia.
| September | |||
| Average temperature | 88°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 83°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 0.9in | ||
| Number of days with rainfall | 1 day(s) (4%) | ||
| Humidity | 70% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 14% | ||
| Length of day | 12:03 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bogor in september
In the month of september, maximum temperature is 92°F and minimum temperature is 79°F (for an average temperature of 85°F). The climate is very warm in this location in this month. With 7.7in over 10 days, you risk getting wet slightly for your vacations. But this is reasonably and it is only of temporary showers.
With a correct climate, september is okay (but not the best month) for traveling in that area in Indonesia.
| September | |||
| Average temperature | 85°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 79°F | ||
| Rainfall | 7.7in | ||
| Number of days with rainfall | 10 day(s) (34%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 35% | ||
| Length of day | 12:04 | ||
| Our opinion at whereandwhen.net | good |
Climate in Malang in september
In the month of september, the mean temperature in Malang is 79°F (maximum temperature is 86°F and minimum temperature is 74°F). The climate quite enjoyable around this city in the month of september. With 9.6in over 8 days, you may find yourself often in the rain throughout your trip. So remember to bring adapted clothes.
With a correct weather, september is okay (but not good time) for traveling in that area in Indonesia.
| September | |||
| Average temperature | 79°F | ||
| Highest temperature | 86°F | ||
| Lowest temperature | 74°F | ||
| Rainfall | 9.6in | ||
| Number of days with rainfall | 8 day(s) (26%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 43% | ||
| Length of day | 12:04 | ||
| Our opinion at whereandwhen.net | good |
All cities on the island of Java in september
| Jakarta in september | good weather |
| Bandung in september | good weather |
| Surabaya in september | good weather |
| Bogor in september | good weather |
| Malang in september | good weather |
| Semarang in september | good weather |
| Babadan in september | good weather |
| Batu in september | good weather |
| Bromo Tengger Semeru National Park in september | good weather |
| Cilegon in september | good weather |
| Cocolan in september | good weather |
| Gunung Bromo in september | good weather |
| Karimun Java in september | perfect weather |
| Kawah Ijen in september | perfect weather |
| Mount Ciremai National Park in september | good weather |
| Parc national Halimun Salak in september | good weather |
| Pasar Sirih Beach in september | good weather |
| Sendangbiru in september | good weather |
| Sindangbarang in september | tolerable weather |
| Sindangkerta Beach in september | good weather |
| Sukamade beach in september | good weather |
| Surakarta in september | good weather |
| Taman Nasional Alas Purwo in september | perfect weather |
| Taman Nasional Meru Betiri in september | good weather |
| Tambah in september | good weather |
| Tanjung Pasir Beach in september | good weather |
| Ujung Kulon National Park in september | good weather |
| Yogyakarta in september | good weather |
| Bangkalan in september | good weather |
| Banyuwangi in september | perfect weather |
| Batang in september | good weather |
| Blitar in september | good weather |
| Cilacap in september | good weather |
| Cirebon in september | good weather |
| Genteng in september | perfect weather |
| Indramayu in september | perfect weather |
| Jember in september | good weather |
| Kebumen in september | good weather |
| Kediri in september | good weather |
| Klaten in september | good weather |
| Kudus in september | good weather |
| Lumajang in september | good weather |
| Madiun in september | good weather |
| Magelang in september | tolerable weather |
| Mojokerto in september | good weather |
| Ngawi in september | good weather |
| Pacitan in september | perfect weather |
| Pamanukan in september | good weather |
| Pekalongan in september | good weather |
| Pemalang in september | good weather |
| Probolinggo in september | good weather |
| Purwakarta in september | good weather |
| Purwokerto in september | good weather |
| Salatiga in september | good weather |
| Serang in september | good weather |
| Sidoarjo in september | good weather |
| Situbondo in september | perfect weather |
| Sukabumi in september | tolerable weather |
| Sumenep in september | perfect weather |
| Tasikmalaya in september | good weather |
| Tegal in september | good weather |
| Tengah in september | perfect weather |
| Trenggalek in september | good weather |
| Tuban in september | good weather |
| Wonosobo in september | good weather |
Weather data for Java in september:
Weather data for Java in september is derived from an average of the weather forecast since 2009 on the island of Java. There is a margin of error and these forecasts are to be considered as general information only. The weather on the island of Java can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Java.