September Weather in Demta, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Demta, Indonesia is a warm 27°C (81°F), with a minimum of 25°C (77°F) and a maximum reaching 29°C (85°F). During this month, expect approximately 211 mm (8.3 in) of precipitation spread over 25 days, contributing to an average humidity of 86%. Ideal for those who enjoy a tropical climate!

September Temperature in Demta

In September in Demta, the average temperature is 27°C (81°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 Demta an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates September temperature patterns in Demta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Demta, September typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Demta

In Demta in September, the total precipitation amount reaches 211 mm (8.3 in) over the course of 25 days.

September Precipitation Trends in Demta

The chart displays monthly precipitation patterns in Demta, 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 Demta, September typically receives around 211 mm (8.3 inches) of precipitation spread over approximately 25 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Demta

In Demta in September, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

September Average Humidity in Demta

This chart illustrates the average monthly humidity levels in Demta, 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 Demta is approximately 86%, 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 Demta

In Demta 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 Demta.

Maximum UV Index Levels in Demta for September

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

Data source: Demta 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 Demta Compares to Other Months

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

This table compares monthly weather conditions in Demta, 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)	231 mm (9.1 inches)	84%	extreme
February Weather	27°C (80°F)	346 mm (13.6 inches)	84%	extreme
March Weather	27°C (80°F)	347 mm (13.7 inches)	83%	extreme
April Weather	27°C (81°F)	304 mm (12.0 inches)	85%	extreme
May Weather	27°C (81°F)	255 mm (10.1 inches)	84%	extreme
June Weather	27°C (81°F)	301 mm (11.8 inches)	85%	extreme
July Weather	27°C (80°F)	312 mm (12.3 inches)	85%	extreme
August Weather	27°C (80°F)	268 mm (10.6 inches)	86%	extreme
September Weather	27°C (81°F)	211 mm (8.3 inches)	86%	extreme
October Weather	27°C (81°F)	235 mm (9.3 inches)	85%	extreme
November Weather	27°C (81°F)	290 mm (11.4 inches)	85%	extreme
December Weather	27°C (81°F)	340 mm (13.4 inches)	84%	extreme