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September Weather in Mandala, Indonesia

Last updated: August 23, 2025

In Mandala, Indonesia, the average temperature in September hovers around 25°C (77°F), with a comfortable range between 19°C (66°F) and 30°C (86°F). However, be prepared for occasional rain as the area receives around 113 mm (4.4 in) of precipitation over 17 days. With an average humidity of 72%, you can expect a pleasantly warm yet slightly muggy atmosphere during your stay.

September Temperature in Mandala

In September in Mandala, the average temperature is 25°C (77°F). Maximums can reach 30°C (86°F), and minimums can be as low as 19°C (66°F). This makes Mandala an ideal destination for travelers seeking pleasant weather and outdoor activities.

September Weather in Mandala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mandala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandala, September typically has an average temperature of 25°C (77°F), with highs reaching up to 30°C (86°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980808078767576787979
Data source: Temperature data for Mandala generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mandala

In Mandala in September, the precipitation amount is 113 mm (4.4 in) spread over 17 days, indicating a relatively wet period for the region.

September Precipitation Trends in Mandala

The chart displays monthly precipitation patterns in Mandala, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Mandala, September typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec3583243782551431185139113168420376
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mandala

In Mandala in September, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

September Average Humidity in Mandala

This chart illustrates the average monthly humidity levels in Mandala, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Mandala is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%85%82%81%81%79%76%72%74%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mandala

In Mandala in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mandala, you can check here.

Maximum UV Index Levels in Mandala for September

The chart shows the monthly maximum UV Index (UVI) for Mandala in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Mandala typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141210111214151514
Data source: Mandala September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Mandala Compares to Other Months

Weather in Mandala varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mandala, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mandala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)358 mm (14.1 inches)84%extreme
February Weather26°C (80°F)324 mm (12.8 inches)87%extreme
March Weather27°C (80°F)378 mm (14.9 inches)85%extreme
April Weather27°C (80°F)255 mm (10.0 inches)82%extreme
May Weather27°C (80°F)143 mm (5.6 inches)81%extreme
June Weather26°C (79°F)118 mm (4.6 inches)81%very high
July Weather24°C (76°F)51 mm (2.0 inches)79%extreme
August Weather24°C (76°F)39 mm (1.5 inches)76%extreme
September Weather25°C (77°F)113 mm (4.4 inches)72%extreme
October Weather25°C (78°F)168 mm (6.6 inches)74%extreme
November Weather26°C (79°F)420 mm (16.5 inches)78%extreme
December Weather26°C (80°F)376 mm (14.8 inches)78%extreme

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