September Weather in Biga, Philippines

Last updated: August 27, 2025

In Biga, Philippines, the average temperature in September hovers around 27°C (81°F). You can expect a minimum of 23°C (74°F) and a maximum reaching 33°C (92°F). Prepare for a humid experience with an average humidity of 85%, as well as considerable rainfall, with an average precipitation of 363 mm (14.3 in) spread over 26 days.

September Temperature in Biga

In September in Biga, the average temperature is a warm 27°C (81°F). The maximum can reach a hot 33°C (92°F), while the minimum can drop to a comfortable 23°C (74°F). This makes Biga an ideal destination for travelers seeking pleasant weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Biga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biga, September typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Biga

In Biga in September, the total precipitation amount is 363 mm (14.3 in) spread over 26 days.

September Precipitation Trends in Biga

The chart displays monthly precipitation patterns in Biga, 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 Biga, September typically receives around 363 mm (14.3 inches) of precipitation spread over approximately 26 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 Biga

In Biga in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

September Average Humidity in Biga

This chart illustrates the average monthly humidity levels in Biga, 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 Biga is approximately 85%, 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 Biga

In Biga 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 Biga.

Maximum UV Index Levels in Biga for September

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

Data source: Biga 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 Biga Compares to Other Months

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

This table compares monthly weather conditions in Biga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (76°F)	433 mm (17.0 inches)	78%	extreme
February Weather	24°C (76°F)	288 mm (11.3 inches)	75%	extreme
March Weather	26°C (78°F)	190 mm (7.5 inches)	74%	extreme
April Weather	27°C (80°F)	106 mm (4.2 inches)	76%	extreme
May Weather	28°C (82°F)	217 mm (8.6 inches)	76%	extreme
June Weather	28°C (82°F)	274 mm (10.8 inches)	81%	extreme
July Weather	27°C (81°F)	344 mm (13.5 inches)	84%	extreme
August Weather	28°C (82°F)	281 mm (11.1 inches)	85%	extreme
September Weather	27°C (81°F)	363 mm (14.3 inches)	85%	extreme
October Weather	27°C (80°F)	346 mm (13.6 inches)	82%	extreme
November Weather	26°C (79°F)	364 mm (14.3 inches)	85%	extreme
December Weather	25°C (78°F)	716 mm (28.2 inches)	86%	extreme