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September Weather in Sungai Iyu, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sungai Iyu, Indonesia is a warm 28°C (82°F), with minimums dipping to 25°C (77°F) and maximums reaching up to 33°C (91°F). Expect a robust 183 mm (7.2 in) of precipitation spread over 23 days, contributing to an average humidity of 83%. Whether you're soaking in the warmth or bracing for rain, this month has it all!

September Temperature in Sungai Iyu

In September, in Sungai Iyu, the average temperature is 28°C (82°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 25°C (77°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor activities.

September Weather in Sungai Iyu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sungai Iyu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sungai Iyu, 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 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818283838383838382828181
Data source: Temperature data for Sungai Iyu 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 Sungai Iyu

In Sungai Iyu in September, the precipitation amount is 183 mm (7.2 in) over the course of 23 days.

September Precipitation Trends in Sungai Iyu

The chart displays monthly precipitation patterns in Sungai Iyu, 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 Sungai Iyu, September typically receives around 183 mm (7.2 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec153598816518096121138183214324279
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sungai Iyu

In Sungai Iyu in September humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

September Average Humidity in Sungai Iyu

This chart illustrates the average monthly humidity levels in Sungai Iyu, 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 Sungai Iyu is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%76%77%73%73%77%75%79%83%82%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sungai Iyu

In Sungai Iyu 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 Sungai Iyu, you can check here.

Maximum UV Index Levels in Sungai Iyu for September

The chart shows the monthly maximum UV Index (UVI) for Sungai Iyu 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 Sungai Iyu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131515151412121314141312
Data source: Sungai Iyu 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 Sungai Iyu Compares to Other Months

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

This table compares monthly weather conditions in Sungai Iyu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)153 mm (6.0 inches)81%extreme
February Weather28°C (82°F)59 mm (2.3 inches)76%extreme
March Weather28°C (83°F)88 mm (3.4 inches)77%extreme
April Weather28°C (83°F)165 mm (6.5 inches)73%extreme
May Weather28°C (83°F)180 mm (7.1 inches)73%extreme
June Weather28°C (83°F)96 mm (3.8 inches)77%extreme
July Weather28°C (83°F)121 mm (4.8 inches)75%extreme
August Weather28°C (83°F)138 mm (5.4 inches)79%extreme
September Weather28°C (82°F)183 mm (7.2 inches)83%extreme
October Weather28°C (82°F)214 mm (8.4 inches)82%extreme
November Weather27°C (81°F)324 mm (12.7 inches)83%extreme
December Weather27°C (81°F)279 mm (11.0 inches)85%extreme

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