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September Weather in Arbais, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Arbais, Indonesia hovers around 28°C (82°F), with a comfortable minimum of 24°C (76°F) and a warm maximum of 33°C (91°F). Be prepared for some rain, as precipitation amounts to 204 mm (8.0 in) over 26 days, contributing to an average humidity of 78%. It's the perfect blend of warmth and moisture!

September Temperature in Arbais

In September in Arbais, the average temperature is 28°C (82°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 24°C (76°F). This pleasant and warm climate makes Arbais an ideal destination for travelers seeking sunshine and outdoor activities.

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

The chart illustrates September temperature patterns in Arbais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arbais, September typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (91°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec828182828282818282828282
Data source: Temperature data for Arbais 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 Arbais

In Arbais in September, the precipitation amount is 204 mm (8.0 in) spread over 26 days.

September Precipitation Trends in Arbais

The chart displays monthly precipitation patterns in Arbais, 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 Arbais, September typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec174249274270253284282255204215229276
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arbais

In Arbais in September humidity is 78%. With an average temperature of 28°C (82°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting and overwhelming, potentially leading to a slower pace while exploring.

September Average Humidity in Arbais

This chart illustrates the average monthly humidity levels in Arbais, 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 Arbais is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%77%75%76%75%76%76%79%79%77%77%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arbais

In Arbais 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 Arbais.

Maximum UV Index Levels in Arbais for September

The chart shows the monthly maximum UV Index (UVI) for Arbais 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 Arbais typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121415151414
Data source: Arbais 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 Arbais Compares to Other Months

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

This table compares monthly weather conditions in Arbais, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)174 mm (6.9 inches)76%extreme
February Weather27°C (82°F)249 mm (9.8 inches)76%extreme
March Weather28°C (82°F)274 mm (10.8 inches)75%extreme
April Weather28°C (82°F)270 mm (10.6 inches)76%extreme
May Weather28°C (83°F)253 mm (10.0 inches)75%extreme
June Weather28°C (82°F)284 mm (11.2 inches)76%extreme
July Weather27°C (82°F)282 mm (11.1 inches)76%extreme
August Weather28°C (82°F)255 mm (10.0 inches)79%extreme
September Weather28°C (82°F)204 mm (8.0 inches)78%extreme
October Weather28°C (83°F)215 mm (8.5 inches)77%extreme
November Weather28°C (83°F)229 mm (9.0 inches)76%extreme
December Weather28°C (83°F)276 mm (10.9 inches)76%extreme

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