Indonesia in September: All You Need to Know


Embark on an exhilarating trip to Indonesia in September and be mesmerized by the country’s exquisite nature. It is the perfect time to combine a relaxing sunny beach holiday with adrenaline-fueled activities. Soak in the warm beaches and take a tour of the picturesque Tegalalang Rice Terrace in Bali. Head to Java islands to explore its many temple complexes and Bromo Tengger Semeru National Park, home to the famed Mount Bromo, or experience the city nightlife in Surabaya. And while in Sumatra, take an unforgettable jungle trek and see Palembang, the ‘Venice of Asia.’ There are plenty of places to see and things to do to create a memorable holiday experience in Indonesia in September.

Indonesia Weather in September

Travel with ease in Bali.
Bali has cooler temperatures compared to the northern and central islands in the month of September

The average daytime temperature in Indonesia’s northern and central islands during this time ranges between 27°C and 34°C. Evenings and nights are much cooler with a minimum low of 21°C. The island of Java has hot weather in September with a daytime high of up to 36°C. Head to Bali for cooler weather. Here the average daytime temperature is 31°C. Although September is considered a dry season in Indonesia, the eastern region of the country can experience some rainfall.

For a seasonal overview, read our article on the best time to visit Indonesia.

Weather in Indonesia in September - Rainfall and Temperatures

Avg Daily (°C)303031323232313232333231
Avg Nightly (°C)262626262626262626272626
Avg Daily (°F)868687.889.689.689.687.889.689.691.489.687.8
Avg Nightly (°F)78.878.878.878.878.878.878.878.878.880.678.878.8
Avg Rainfall (mm)988475845347315026509073

Why Visit Indonesia in September

The amazing temples in Ubud will surely leave you speechless.
Immerse yourself in the ancient architecture of Ubud
This Indonesian temple is an iconic temple of Bali.
Ulun Danu Bratan is an Indonesian temple that seems to be floating on the lake. Experience it on your trip to Indonesia in September

If you want to visit Indonesia right after the summer and take your time appreciating all that this alluring country has to offer, traveling to Indonesia in September is your best option. With September still being the high season, you will be able to experience things that are generally offered during the summer with the additional perk of reasonable crowds. Below are just a few reasons why visiting Indonesia in September is an excellent idea.

  • Fewer crowds: Although September is still the high season in Indonesia, tourist crowds will not be as bad as they were in the preceding months. This allows you to explore the country’s top attractions and enjoy the tourist activities in a more relaxed way. But it is always best to book your trip in advance.
  • Festivals: If you visit Indonesia in the first week of September, you will be right on time for the activities hosted for its National Sports Day. Also, you can witness the famous Erau Festival of Tenggarong in Kalimantan and catch sight of the culture of indigenous Dayak people. Balinale, Indonesia’s only international film festival, and the Soundrenaline music festival are also held this month.
  • Outdoor Fun: Being the dry season, September is the best month to travel to islands such as Sulawesi, home to the renowned Wakatobi Marine National Park, and Papua, which is famous for watersports. For those interested in land activities such as hiking, bird watching, and viewing the volcanos, Java is an amazing option in September.

Where to Go and What to Do

Lombok is the Indonesian Island that is home to Mount Rinjani
Mount Rinjani in Lombok is also a religious destination for Indonesians

Sumatra, Jakarta, Java, Sumba, and Flores are some of the best places to visit in Indonesia in September. Start your journey from Sumatra and visit the Mesjid Raya Al Mashun mosque in Medan and the majestic palace Istana Maimun. Spend some time in the city of Jakarta and escape to the Thousand Islands. Sample some traditional street food at Jalan Mangga Besar and Pecenongan. Visit the Tumpak Sewu waterfall and check out the Rainbow Village in eastern Java. Also, explore Waikabubak in Sumba and stop by Weekuri Lake. Drop by its local marketplace before relaxing at Mandorak Beach.

Be enthralled by Flores’s bewildering underwater vistas and stroll down the Kanawa coastlines. Admire the spider web fields at the village of Cancar before going on an excursion to Rangko Caves. If you are interested in tasting a wide range of meat, head out to the Tomohon Market in Manado. In between your tours also make time for lounging on the beaches and enjoying the watersports. Kuata Beach in Bali and Pulau Weh off the coast of Banda Aceh are prime destinations for beach holidays and watersports.

Read our guide on how many days to spend in Indonesia to discover more travel ideas.

Indonesia in September is when the country is at its absolute best, revealing its many hidden treasures. The best part about visiting the country during this month is the low tourist numbers compared to the previous month. Whether you are after cultural sightseeing, food tasting, wildlife adventures, or simply relaxing on the beaches, Indonesia makes for an idyllic holiday destination.

Go through our assortment of Indonesia travel itineraries in September, or get in touch with our local travel specialists to plan a customized tour to Indonesia.

Create your custom-made trip to Indonesia

Traveling to Indonesia? Chat with a local travel specialist in Indonesia who can help organize your trip.

  • Oleg Kol
    Oleg Kol
    Travel Expert in Indonesia
  • Yangyang LI
    Yangyang LI
    Travel Expert in Indonesia
  • Adrien HERIAUD
    Adrien HERIAUD
    Travel Expert in Indonesia
Our travel experts are recommended by
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  • Independent
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