Daytime highs, nighttime lows and the warmest cities across Indonesia this September.
Indonesia, experiences maximum daytime temperatures in September ranging from 26°C (79°F) in Palayangan to 35°C (95°F) in Cepu. Nighttime temperatures generally drop to 23°C (73°F) in Cepu and 17°C (63°F) in Palayangan.
Discover the typical September temperatures for the most popular locations of Indonesia on the map below. Detailed insights are just a click away.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Indonesia.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Daytime temperatures in Ubud typically peak at 28°C (82°F) in September, putting it in the high range.
Average overnight lows in Indonesia during September sit near 22°C (72°F) in Ubud.
From a thorough analysis of our records, Cepu clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 35°C (95°F), and evenings that remain near 23°C (73°F).
According to our data, Palayangan holds the title for the coldest city in Indonesia in September. It experiences maximum temperatures of approximately 26°C (79°F) and drops to lows of about 17°C (63°F) during the night.
Across Indonesia, sunshine in September ranges from moderately sunny in Biak (120 hours) to sunny in Komodo National Park (297 hours).
Across Indonesia, sea temperatures in September range from perfect at 27°C (81°F) in Denpasar to warm at 30°C (86°F) in Togean Islands — so swimming conditions depend on which coast you pick.
We have much more information about the climate in Indonesia.
Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
Need travel inspiration? Check out our bucket list articles and be inspired.
10 Hidden gems in Asia you need to visit
Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.
The ultimate guide to Ubud – everything you need to know to escape the crowds
There is a way to experience Ubud in a fantastic less crowded way and this article will be your guide how to do that. Find the best places to stay, where to eat and much more.
Top 5 hidden gem islands in Indonesia
Discover Indonesia's secret islands: pristine beaches, rich history, and vibrant culture await beyond Bali and Java. Dive into untouched paradise.
Six Organic Farms & Farmstays in Indonesia
We've compiled a list of organic farms in Indonesia that have a positive impact on their communities - they could use your help during this pandemic.