September Weather in Waisai, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Waisai, Indonesia is a pleasant 26°C (80°F), with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 30°C (86°F). However, be prepared for moisture, as the region experiences 279 mm (11.0 in) of precipitation over 23 days. The air is often humid, with an average humidity level of 81%.

September Temperature in Waisai

In September, in Waisai, the average temperature is 26°C (80°F). Maximums can reach 30°C (86°F), while minimums can be as low as 24°C (76°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Waisai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waisai, September typically has an average temperature of 26°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Waisai

In Waisai in September, the total precipitation amount is 279 mm (11.0 in) recorded over the course of 23 days.

September Precipitation Trends in Waisai

The chart displays monthly precipitation patterns in Waisai, 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 Waisai, September typically receives around 279 mm (11.0 inches) of precipitation spread over approximately 23 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 Waisai

In Waisai in September, humidity is 81%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Waisai

This chart illustrates the average monthly humidity levels in Waisai, 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 Waisai is approximately 81%, 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 Waisai

In Waisai 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 Waisai.

Maximum UV Index Levels in Waisai for September

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

Data source: Waisai 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 Waisai Compares to Other Months

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

This table compares monthly weather conditions in Waisai, 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)	265 mm (10.4 inches)	78%	extreme
February Weather	27°C (81°F)	199 mm (7.8 inches)	81%	extreme
March Weather	27°C (81°F)	284 mm (11.2 inches)	79%	extreme
April Weather	27°C (81°F)	312 mm (12.3 inches)	81%	extreme
May Weather	27°C (81°F)	305 mm (12.0 inches)	77%	extreme
June Weather	27°C (80°F)	351 mm (13.8 inches)	79%	extreme
July Weather	26°C (80°F)	352 mm (13.9 inches)	81%	extreme
August Weather	26°C (80°F)	247 mm (9.7 inches)	83%	extreme
September Weather	26°C (80°F)	279 mm (11.0 inches)	81%	extreme
October Weather	27°C (81°F)	284 mm (11.2 inches)	80%	extreme
November Weather	27°C (81°F)	243 mm (9.6 inches)	79%	extreme
December Weather	27°C (81°F)	286 mm (11.2 inches)	78%	extreme