September Weather in Simpur, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Simpur, Indonesia is a warm 27°C (81°F). Expect a minimum of 20°C (69°F) and the potential for a sweltering maximum of 36°C (97°F). With an average humidity of 77%, prepare for a humid atmosphere. Additionally, anticipate precipitation amounts of 157 mm (6.2 in) over 17 days—perfect for a refreshing rain shower on those warmer days.

September Temperature in Simpur

In September in Simpur, the average temperature is 27°C (81°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 20°C (69°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Simpur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simpur, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Simpur

In Simpur in September, the precipitation amount is 157 mm (6.2 in) spread over 17 days.

September Precipitation Trends in Simpur

The chart displays monthly precipitation patterns in Simpur, 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 Simpur, September typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 17 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 Simpur

In Simpur in September, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

September Average Humidity in Simpur

This chart illustrates the average monthly humidity levels in Simpur, 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 Simpur is approximately 77%, 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 Simpur

In Simpur 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 Simpur.

Maximum UV Index Levels in Simpur for September

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

Data source: Simpur 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 Simpur Compares to Other Months

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

This table compares monthly weather conditions in Simpur, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	220 mm (8.7 inches)	83%	extreme
February Weather	26°C (80°F)	205 mm (8.1 inches)	83%	extreme
March Weather	26°C (80°F)	276 mm (10.9 inches)	84%	extreme
April Weather	27°C (80°F)	242 mm (9.5 inches)	82%	extreme
May Weather	27°C (81°F)	272 mm (10.7 inches)	80%	extreme
June Weather	27°C (80°F)	220 mm (8.7 inches)	81%	extreme
July Weather	26°C (80°F)	148 mm (5.8 inches)	82%	extreme
August Weather	27°C (80°F)	131 mm (5.2 inches)	82%	extreme
September Weather	27°C (81°F)	157 mm (6.2 inches)	77%	extreme
October Weather	27°C (81°F)	184 mm (7.2 inches)	78%	extreme
November Weather	27°C (80°F)	280 mm (11.0 inches)	77%	extreme
December Weather	26°C (80°F)	236 mm (9.3 inches)	80%	extreme