September Weather in Sekayu, Indonesia

Last updated: August 23, 2025

The average temperature in Sekayu, Indonesia during September is a warm 28°C (83°F). Expect minimum temperatures to drop to 21°C (71°F), while highs can reach up to a sizzling 38°C (100°F). With an average precipitation of 148 mm (5.8 in) spread over 14 days, and humidity levels around 84%, prepare for a mix of heat and moisture this month.

September Temperature in Sekayu

In September in Sekayu, the average temperature is 28°C (83°F), with maximums reaching 38°C (100°F) and minimums dropping as low as 21°C (71°F). It's an ideal time for travelers seeking warm weather and plenty of outdoor activities.

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

The chart illustrates September temperature patterns in Sekayu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sekayu, September typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Sekayu generated using information from the Copernicus Climate Change Service.

September Precipitation in Sekayu

In Sekayu in September, the total precipitation amount is 148 mm (5.8 in) over the course of 14 days.

September Precipitation Trends in Sekayu

The chart displays monthly precipitation patterns in Sekayu, 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 Sekayu, September typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Sekayu

In Sekayu in September, humidity is 84%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air almost stifling for traveling.

September Average Humidity in Sekayu

This chart illustrates the average monthly humidity levels in Sekayu, 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 Sekayu is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sekayu

In Sekayu 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 Sekayu, you can check here.

Maximum UV Index Levels in Sekayu for September

The chart shows the monthly maximum UV Index (UVI) for Sekayu 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 Sekayu typically reaches 14, which falls under the extreme exposure category.

Data source: Sekayu 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 Sekayu Compares to Other Months

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

This table compares monthly weather conditions in Sekayu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	196 mm (7.7 inches)	90%	extreme
February Weather	27°C (80°F)	260 mm (10.3 inches)	88%	extreme
March Weather	27°C (81°F)	352 mm (13.8 inches)	87%	extreme
April Weather	27°C (81°F)	279 mm (11.0 inches)	87%	extreme
May Weather	28°C (82°F)	220 mm (8.7 inches)	87%	extreme
June Weather	27°C (81°F)	147 mm (5.8 inches)	88%	extreme
July Weather	27°C (81°F)	110 mm (4.3 inches)	87%	extreme
August Weather	28°C (83°F)	123 mm (4.8 inches)	87%	extreme
September Weather	28°C (83°F)	148 mm (5.8 inches)	84%	extreme
October Weather	28°C (83°F)	242 mm (9.5 inches)	84%	extreme
November Weather	27°C (81°F)	299 mm (11.8 inches)	87%	extreme
December Weather	27°C (81°F)	276 mm (10.9 inches)	89%	extreme