September Weather in Grejeg Selatan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Grejeg Selatan, Indonesia is a pleasant 27°C (81°F). Expect a minimum of 25°C (78°F) and a maximum of 28°C (84°F), providing warm days perfect for exploration. During this time, precipitation averages around 28 mm (1.1 in), typically over 5 days, while the air feels comfortably humid with an average of 74% humidity.

September Temperature in Grejeg Selatan

In September, in Grejeg Selatan, the average temperature is 27°C (81°F). The maximum can reach 28°C (84°F), and the minimum can be as low as 25°C (78°F). This pleasant climate makes Grejeg Selatan an ideal destination for travelers looking to enjoy warm weather.

September Weather in Grejeg Selatan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Grejeg Selatan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grejeg Selatan, September typically has an average temperature of 27°C (81°F), with highs reaching up to 28°C (84°F) and lows dropping to around 25°C (78°F).

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

September Precipitation in Grejeg Selatan

In Grejeg Selatan in September, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Grejeg Selatan

The chart displays monthly precipitation patterns in Grejeg Selatan, 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 Grejeg Selatan, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 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 Grejeg Selatan

In Grejeg Selatan in September humidity is 74%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket, making traveling feel both sticky and draining, yet the heat invites you to seek out refreshing dips in pools or shady spots to relax.

September Average Humidity in Grejeg Selatan

This chart illustrates the average monthly humidity levels in Grejeg Selatan, 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 Grejeg Selatan is approximately 74%, 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 Grejeg Selatan

In Grejeg Selatan 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 Grejeg Selatan, you can check here.

Maximum UV Index Levels in Grejeg Selatan for September

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

Data source: Grejeg Selatan 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 Grejeg Selatan Compares to Other Months

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

This table compares monthly weather conditions in Grejeg Selatan, 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 (81°F)	349 mm (13.7 inches)	80%	extreme
February Weather	27°C (81°F)	307 mm (12.1 inches)	82%	extreme
March Weather	27°C (81°F)	256 mm (10.1 inches)	81%	extreme
April Weather	28°C (82°F)	175 mm (6.9 inches)	79%	extreme
May Weather	28°C (83°F)	127 mm (5.0 inches)	77%	extreme
June Weather	28°C (82°F)	102 mm (4.0 inches)	79%	extreme
July Weather	27°C (81°F)	43 mm (1.7 inches)	79%	extreme
August Weather	27°C (81°F)	12 mm (0.5 inches)	77%	extreme
September Weather	27°C (81°F)	28 mm (1.1 inches)	74%	extreme
October Weather	28°C (82°F)	66 mm (2.6 inches)	75%	extreme
November Weather	28°C (82°F)	218 mm (8.6 inches)	73%	extreme
December Weather	27°C (81°F)	389 mm (15.3 inches)	74%	extreme