September Weather in Osmena, Philippines

Last updated: August 27, 2025

In Osmena, Philippines, the average temperature in September hovers around 28°C (82°F), with a minimum of 25°C (78°F) and a peak of 30°C (86°F). Expect considerable rainfall, as 255 mm (10.1 in) of precipitation typically falls over 23 days. Additionally, the air remains quite humid, averaging around 86% humidity, making for a warm and moist climate.

September Temperature in Osmena

In September in Osmena, the average temperature is 28°C (82°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 25°C (78°F). This pleasant weather makes it an ideal time for outdoor activities and exploring all that Osmena has to offer.

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

The chart illustrates September temperature patterns in Osmena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osmena, September typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).

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

September Precipitation in Osmena

In Osmena in September, the precipitation amount is 255 mm (10.1 in) over the course of 23 days.

September Precipitation Trends in Osmena

The chart displays monthly precipitation patterns in Osmena, 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 Osmena, September typically receives around 255 mm (10.1 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 Osmena

In Osmena in September, humidity is 86%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making travel quite challenging as you navigate the thick, moisture-laden air that can leave you feeling sticky and fatigued.

September Average Humidity in Osmena

This chart illustrates the average monthly humidity levels in Osmena, 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 Osmena is approximately 86%, 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 Osmena

In Osmena 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 Osmena.

Maximum UV Index Levels in Osmena for September

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

Data source: Osmena 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 Osmena Compares to Other Months

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

This table compares monthly weather conditions in Osmena, 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 (80°F)	144 mm (5.7 inches)	80%	extreme
February Weather	26°C (80°F)	77 mm (3.0 inches)	77%	extreme
March Weather	27°C (81°F)	91 mm (3.6 inches)	77%	extreme
April Weather	28°C (82°F)	55 mm (2.2 inches)	79%	extreme
May Weather	28°C (83°F)	156 mm (6.1 inches)	79%	extreme
June Weather	28°C (83°F)	265 mm (10.4 inches)	81%	extreme
July Weather	28°C (82°F)	323 mm (12.7 inches)	82%	extreme
August Weather	28°C (82°F)	254 mm (10.0 inches)	84%	extreme
September Weather	28°C (82°F)	255 mm (10.1 inches)	86%	extreme
October Weather	28°C (82°F)	343 mm (13.5 inches)	81%	extreme
November Weather	28°C (82°F)	261 mm (10.3 inches)	84%	extreme
December Weather	27°C (81°F)	279 mm (11.0 inches)	86%	extreme