September Weather in Mertoyudan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Mertoyudan, Indonesia hovers around 23°C (73°F), making it a comfortable time to visit. You'll experience a minimum temperature of 15°C (60°F) and a maximum of 31°C (88°F), providing a pleasant range for outdoor activities. Be prepared for some rain, as there's an average precipitation of 116 mm (4.6 in) spread across 19 days. With an average humidity of 70%, expect a warm and slightly humid atmosphere during your stay.

September Temperature in Mertoyudan

In September in Mertoyudan, the average temperature is 23°C (73°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 15°C (60°F). It's an ideal time for traveling, offering pleasant weather that suits various outdoor activities.

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

The chart illustrates September temperature patterns in Mertoyudan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mertoyudan, September typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Mertoyudan

In Mertoyudan in September, precipitation amounts to 116 mm (4.6 in) over the course of 19 days.

September Precipitation Trends in Mertoyudan

The chart displays monthly precipitation patterns in Mertoyudan, 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 Mertoyudan, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 19 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 Mertoyudan

In Mertoyudan in September humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

September Average Humidity in Mertoyudan

This chart illustrates the average monthly humidity levels in Mertoyudan, 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 Mertoyudan is approximately 70%, 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 Mertoyudan

In Mertoyudan 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 Mertoyudan.

Maximum UV Index Levels in Mertoyudan for September

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

Data source: Mertoyudan 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 Mertoyudan Compares to Other Months

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

This table compares monthly weather conditions in Mertoyudan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	366 mm (14.4 inches)	82%	extreme
February Weather	24°C (75°F)	453 mm (17.8 inches)	86%	extreme
March Weather	24°C (75°F)	374 mm (14.7 inches)	84%	extreme
April Weather	24°C (76°F)	318 mm (12.5 inches)	80%	extreme
May Weather	24°C (76°F)	141 mm (5.5 inches)	81%	extreme
June Weather	23°C (74°F)	125 mm (4.9 inches)	81%	very high
July Weather	22°C (72°F)	44 mm (1.7 inches)	78%	extreme
August Weather	22°C (72°F)	45 mm (1.8 inches)	74%	extreme
September Weather	23°C (73°F)	116 mm (4.6 inches)	70%	extreme
October Weather	23°C (74°F)	198 mm (7.8 inches)	72%	extreme
November Weather	23°C (75°F)	389 mm (15.3 inches)	73%	extreme
December Weather	24°C (75°F)	404 mm (15.9 inches)	75%	extreme