September Weather in Napu, Indonesia

Last updated: August 23, 2025

In Napu, Indonesia, the average temperature in September hovers around a pleasant 26°C (79°F). Temperatures can dip to a minimum of 20°C (68°F) and peak at a comfortable 31°C (88°F). Expect a light drizzle with 9 mm (0.3 in) of precipitation spread over 3 days, while humidity remains at a cozy 68% throughout the month.

September Temperature in Napu

In September in Napu, the average temperature is 26°C (79°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 20°C (68°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Napu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Napu, September typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (88°F) and lows dropping to around 20°C (68°F).

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

September Precipitation in Napu

In Napu in September, the precipitation amount is 9 mm (0.3 in) measured over a span of 3 days.

September Precipitation Trends in Napu

The chart displays monthly precipitation patterns in Napu, 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 Napu, September typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 3 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 Napu

In Napu in September, humidity is 68%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit stifling unless you stay hydrated and take frequent breaks in the shade.

September Average Humidity in Napu

This chart illustrates the average monthly humidity levels in Napu, 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 Napu is approximately 68%, 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 Napu

In Napu in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Napu.

Maximum UV Index Levels in Napu for September

The chart shows the monthly maximum UV Index (UVI) for Napu 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 Napu typically reaches 16, which falls under the extreme exposure category.

Data source: Napu 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 Napu Compares to Other Months

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

This table compares monthly weather conditions in Napu, 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 (80°F)	229 mm (9.0 inches)	81%	extreme
February Weather	26°C (79°F)	197 mm (7.8 inches)	86%	extreme
March Weather	26°C (80°F)	228 mm (9.0 inches)	86%	extreme
April Weather	26°C (80°F)	109 mm (4.3 inches)	83%	extreme
May Weather	26°C (80°F)	38 mm (1.5 inches)	83%	extreme
June Weather	26°C (78°F)	12 mm (0.5 inches)	80%	extreme
July Weather	25°C (77°F)	6 mm (0.2 inches)	75%	extreme
August Weather	25°C (78°F)	8 mm (0.3 inches)	71%	extreme
September Weather	26°C (79°F)	9 mm (0.3 inches)	68%	extreme
October Weather	27°C (81°F)	33 mm (1.3 inches)	68%	extreme
November Weather	27°C (81°F)	138 mm (5.4 inches)	71%	extreme
December Weather	27°C (81°F)	196 mm (7.7 inches)	76%	extreme