Normal weather for Indonesia in September
It's hot in September in Indonesia with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 23°C and 26°C.
In September, there is an average of 88 mm of precipitation, spread over 13 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Indonesia in September |
New York | ||
|---|---|---|---|
 Average Temperature |
30°C | 27°C | |
 High Temp |
31°C | 31°C | |
| Low Temp |
29°C | 21°C | |
 Total Precipitation |
88 mm | 57 mm | |
| Rainy Days |
13 days | 9 days | |
Start of September
The month of September starts in Indonesia with hot temps, averaging around 30°C during the day and nights around 25°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 30°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Indonesia is around 31°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Indonesia?
September is a good month to be in Indonesia for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records for Indonesia in September
Check out the climate of Indonesia for all months and discover the best travel time
The climate in Indonesia is based on weather data from Bali. Other places, like Java, Gili Air or Lombok, might have different weather. You can check out all destinations in Indonesia to get the full picture of the climate.
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Daily Temperature in September in Indonesia
This chart shows the average daily high and low temperatures in September for Indonesia, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Indonesia
The chart below shows the average daily precipitation in September for Indonesia, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 13 days of precipitation in Indonesia.
Daily UV Index in September in Indonesia
This chart shows the average daily UV index in September in Indonesia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Indonesia Over the Years
This chart shows the average temperature in September in Indonesia, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Indonesia Over the Years
This chart shows the average precipitation in September in Indonesia, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Indonesia
Click on any day in September to get detailed info about the usual weather on that day in Indonesia. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Indonesia
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Average Weather in Indonesia by Month
Click on a month below to see detailed weather info for Indonesia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Indonesia for all months at once
