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September Weather in Long Layu, Indonesia

Last updated: August 23, 2025

In Long Layu, Indonesia, the average temperature in September hovers around 21°C (70°F), making it a pleasant time to visit. The temperature can range from a minimum of 15°C (59°F) to a maximum of 29°C (84°F). However, be prepared for some rain, as precipitation can reach 288 mm (11.4 in) over approximately 27 days. With an average humidity of 90%, it's a good idea to pack accordingly for a humid outing!

September Temperature in Long Layu

In September in Long Layu, the average temperature is 21°C (70°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 15°C (59°F). This pleasant weather makes it an ideal time for traveling and enjoying outdoor activities.

September Weather in Long Layu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long Layu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long Layu, September typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (84°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec696970707170707070707070
Data source: Temperature data for Long Layu 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 Long Layu

In Long Layu in September, the precipitation amount is 288 mm (11.4 in) spread over 27 days.

September Precipitation Trends in Long Layu

The chart displays monthly precipitation patterns in Long Layu, 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 Long Layu, September typically receives around 288 mm (11.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec258226337341338332229288289312295281
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Long Layu

In Long Layu in September, humidity is 90%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket enveloping you, making travel a challenge as the air becomes thick and clings to your skin, leaving you longing for a refreshing breeze.

September Average Humidity in Long Layu

This chart illustrates the average monthly humidity levels in Long Layu, 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 Long Layu is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%89%87%87%87%88%90%90%88%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Long Layu

In Long Layu in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Long Layu.

Maximum UV Index Levels in Long Layu for September

The chart shows the monthly maximum UV Index (UVI) for Long Layu 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 Long Layu typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151618171514141515161413
Data source: Long Layu 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 Long Layu Compares to Other Months

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

This table compares monthly weather conditions in Long Layu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)258 mm (10.1 inches)91%extreme
February Weather21°C (70°F)226 mm (8.9 inches)89%extreme
March Weather21°C (70°F)337 mm (13.3 inches)89%extreme
April Weather21°C (71°F)341 mm (13.4 inches)87%extreme
May Weather22°C (71°F)338 mm (13.3 inches)87%extreme
June Weather21°C (70°F)332 mm (13.1 inches)87%extreme
July Weather21°C (70°F)229 mm (9.0 inches)88%extreme
August Weather21°C (70°F)288 mm (11.3 inches)89%extreme
September Weather21°C (70°F)288 mm (11.4 inches)90%extreme
October Weather21°C (70°F)312 mm (12.3 inches)88%extreme
November Weather21°C (70°F)295 mm (11.6 inches)88%extreme
December Weather21°C (70°F)281 mm (11.0 inches)89%extreme

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