September Weather in Langsa, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Langsa, Indonesia hovers around 28°C (82°F), making it a warm destination. Expect lows of 23°C (75°F) and highs reaching up to 36°C (97°F). Keep in mind, with an average humidity of 83%, you might feel the heat more intensely. Additionally, prepare for 164 mm (6.4 in) of precipitation spread over approximately 24 days, adding a refreshing twist to your visits!

September Temperature in Langsa

In September in Langsa, the average temperature is 28°C (82°F). Maximums can reach 36°C (97°F), while minimums can be as low as 23°C (75°F). This makes for warm and pleasant weather, perfect for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Langsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Langsa, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 23°C (75°F).

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

September Precipitation in Langsa

In Langsa in September, the total precipitation amount reaches 164 mm (6.4 in) over the course of 24 days.

September Precipitation Trends in Langsa

The chart displays monthly precipitation patterns in Langsa, 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 Langsa, September typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 24 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 Langsa

In Langsa in September humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

September Average Humidity in Langsa

This chart illustrates the average monthly humidity levels in Langsa, 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 Langsa is approximately 83%, 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 Langsa

In Langsa 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 Langsa, you can check here.

Maximum UV Index Levels in Langsa for September

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

Data source: Langsa 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 Langsa Compares to Other Months

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

This table compares monthly weather conditions in Langsa, 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)	147 mm (5.8 inches)	81%	extreme
February Weather	28°C (82°F)	57 mm (2.3 inches)	76%	extreme
March Weather	29°C (84°F)	93 mm (3.7 inches)	77%	extreme
April Weather	29°C (84°F)	159 mm (6.3 inches)	73%	extreme
May Weather	29°C (84°F)	175 mm (6.9 inches)	73%	extreme
June Weather	29°C (84°F)	98 mm (3.9 inches)	77%	extreme
July Weather	29°C (84°F)	108 mm (4.3 inches)	75%	extreme
August Weather	29°C (84°F)	122 mm (4.8 inches)	79%	extreme
September Weather	28°C (82°F)	164 mm (6.4 inches)	83%	extreme
October Weather	28°C (82°F)	185 mm (7.3 inches)	82%	extreme
November Weather	27°C (81°F)	282 mm (11.1 inches)	83%	extreme
December Weather	27°C (81°F)	272 mm (10.7 inches)	85%	extreme