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September Weather in Sinjai, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sinjai, Indonesia is a pleasant 26°C (79°F). Expect a minimum of 22°C (72°F) and a maximum of 30°C (86°F), providing a comfortable range for outdoor activities. However, be prepared for 16 days of rain, accumulating a total precipitation of 89 mm (3.5 in). With an average humidity of 78%, don't forget to stay hydrated while enjoying the warm, tropical atmosphere!

September Temperature in Sinjai

In September in Sinjai, the average temperature is 26°C (79°F), with maximums reaching 30°C (86°F) and minimums dipping as low as 22°C (72°F). This pleasant climate makes it an ideal time for exploring outdoor activities and enjoying the local attractions.

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

The chart illustrates September temperature patterns in Sinjai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinjai, September typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (86°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080807978777879818181
Data source: Temperature data for Sinjai 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 Sinjai

In Sinjai in September, the precipitation amount is 89 mm (3.5 in) over the course of 16 days.

September Precipitation Trends in Sinjai

The chart displays monthly precipitation patterns in Sinjai, 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 Sinjai, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec158201216198273347222998967160189
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sinjai

In Sinjai in September, humidity is 78%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel a bit sluggish as the air hangs thick, leaving you in need of frequent breaks to hydrate and find shade.

September Average Humidity in Sinjai

This chart illustrates the average monthly humidity levels in Sinjai, 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 Sinjai is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%84%83%82%84%84%83%78%80%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sinjai

In Sinjai 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 Sinjai.

Maximum UV Index Levels in Sinjai for September

The chart shows the monthly maximum UV Index (UVI) for Sinjai 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 Sinjai typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311121415151414
Data source: Sinjai 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 Sinjai Compares to Other Months

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

This table compares monthly weather conditions in Sinjai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)158 mm (6.2 inches)80%extreme
February Weather27°C (81°F)201 mm (7.9 inches)84%extreme
March Weather27°C (81°F)216 mm (8.5 inches)84%extreme
April Weather27°C (80°F)198 mm (7.8 inches)83%extreme
May Weather26°C (80°F)273 mm (10.8 inches)82%extreme
June Weather26°C (78°F)347 mm (13.6 inches)84%extreme
July Weather25°C (78°F)222 mm (8.7 inches)84%extreme
August Weather26°C (78°F)99 mm (3.9 inches)82%extreme
September Weather26°C (79°F)89 mm (3.5 inches)78%extreme
October Weather27°C (81°F)67 mm (2.6 inches)80%extreme
November Weather27°C (82°F)160 mm (6.3 inches)78%extreme
December Weather27°C (82°F)189 mm (7.4 inches)78%extreme

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