September Weather in Watuapi, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Watuapi, Indonesia is a warm 28°C (83°F), with daily highs reaching up to 34°C (94°F) and lows dipping to 21°C (70°F). Expect a touch of moisture with an average precipitation of 17 mm (0.7 in) over 4 days, complemented by a humidity level of around 70%. Prepare for a pleasantly warm and slightly humid climate!

September Temperature in Watuapi

In September in Watuapi, the average temperature is 28°C (83°F). Maximums can reach 34°C (94°F), and minimums can be as low as 21°C (70°F). This warm climate makes it an ideal destination for travelers seeking sunny adventures and outdoor activities.

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

The chart illustrates September temperature patterns in Watuapi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watuapi, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Watuapi

In Watuapi in September, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

September Precipitation Trends in Watuapi

The chart displays monthly precipitation patterns in Watuapi, 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 Watuapi, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 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 Watuapi

In Watuapi in September humidity is 70%. With an average temperature of 28°C (83°F), this humidity feels like an enveloping blanket, making outdoor activities sticky and draining, requiring frequent breaks to hydrate and seek shade.

September Average Humidity in Watuapi

This chart illustrates the average monthly humidity levels in Watuapi, 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 Watuapi 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 Watuapi

In Watuapi 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 Watuapi.

Maximum UV Index Levels in Watuapi for September

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

Data source: Watuapi 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 Watuapi Compares to Other Months

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

This table compares monthly weather conditions in Watuapi, 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)	233 mm (9.2 inches)	78%	extreme
February Weather	27°C (80°F)	255 mm (10.0 inches)	84%	extreme
March Weather	27°C (81°F)	261 mm (10.3 inches)	84%	extreme
April Weather	27°C (82°F)	141 mm (5.6 inches)	82%	extreme
May Weather	28°C (82°F)	52 mm (2.0 inches)	83%	extreme
June Weather	27°C (81°F)	29 mm (1.1 inches)	79%	very high
July Weather	27°C (81°F)	7 mm (0.3 inches)	74%	extreme
August Weather	27°C (81°F)	7 mm (0.3 inches)	71%	extreme
September Weather	28°C (83°F)	17 mm (0.7 inches)	70%	extreme
October Weather	28°C (83°F)	72 mm (2.8 inches)	69%	extreme
November Weather	28°C (82°F)	226 mm (8.9 inches)	70%	extreme
December Weather	28°C (82°F)	254 mm (10.0 inches)	72%	extreme