September Weather in Serasan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Serasan, Indonesia is a pleasant 28°C (82°F), with minimums dipping to 25°C (77°F) and peaking at 29°C (85°F). Expect around 207 mm (8.1 in) of precipitation over 19 days, contributing to an average humidity level of 81%. Prepare for a warm and slightly wet month!

September Temperature in Serasan

In September in Serasan, the average temperature is 28°C (82°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy all the outdoor activities that Serasan has to offer.

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

The chart illustrates September temperature patterns in Serasan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serasan, September typically has an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Serasan

In Serasan in September, the precipitation amount is 207 mm (8.1 in) over a span of 19 days.

September Precipitation Trends in Serasan

The chart displays monthly precipitation patterns in Serasan, 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 Serasan, September typically receives around 207 mm (8.1 inches) of precipitation spread over approximately 19 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 Serasan

In Serasan in September, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

September Average Humidity in Serasan

This chart illustrates the average monthly humidity levels in Serasan, 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 Serasan is approximately 81%, 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 Serasan

In Serasan 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 Serasan.

Maximum UV Index Levels in Serasan for September

The chart shows the monthly maximum UV Index (UVI) for Serasan 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 Serasan typically reaches 15, which falls under the extreme exposure category.

Data source: Serasan 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 Serasan Compares to Other Months

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

This table compares monthly weather conditions in Serasan, 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)	246 mm (9.7 inches)	87%	extreme
February Weather	27°C (80°F)	134 mm (5.3 inches)	86%	extreme
March Weather	27°C (81°F)	108 mm (4.2 inches)	88%	extreme
April Weather	28°C (82°F)	107 mm (4.2 inches)	82%	extreme
May Weather	28°C (83°F)	170 mm (6.7 inches)	78%	extreme
June Weather	28°C (83°F)	199 mm (7.8 inches)	78%	extreme
July Weather	28°C (83°F)	179 mm (7.1 inches)	77%	extreme
August Weather	28°C (82°F)	154 mm (6.1 inches)	79%	extreme
September Weather	28°C (82°F)	207 mm (8.1 inches)	81%	extreme
October Weather	27°C (82°F)	268 mm (10.6 inches)	79%	extreme
November Weather	27°C (81°F)	308 mm (12.1 inches)	79%	extreme
December Weather	27°C (81°F)	345 mm (13.6 inches)	83%	extreme