September Weather in Santa Clara, Philippines

Last updated: August 27, 2025

In Santa Clara, Philippines, the average temperature in September reaches a balmy 27°C (81°F), with a minimum of 24°C (76°F) and a maximum of 31°C (89°F). Expect a fair amount of precipitation, with 348 mm (13.7 in) spread over 26 days, contributing to an average humidity of 85%. Get ready for a warm and humid experience!

September Temperature in Santa Clara

In September in Santa Clara, the average temperature is 27°C (81°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes it an ideal time to explore the outdoor attractions and enjoy various activities in Santa Clara.

September Weather in Santa Clara: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, September typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (89°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Santa Clara

In Santa Clara in September, the total precipitation amount is 348 mm (13.7 in) spread over a duration of 26 days.

September Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, 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 Santa Clara, September typically receives around 348 mm (13.7 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 Santa Clara

In Santa Clara 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 Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, 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 Santa Clara 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 Santa Clara

In Santa Clara in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Clara, you can check here.

Maximum UV Index Levels in Santa Clara for September

The chart shows the monthly maximum UV Index (UVI) for Santa Clara 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 Santa Clara typically reaches 14, which falls under the extreme exposure category.

Data source: Santa Clara 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 Santa Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, 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 (78°F)	65 mm (2.6 inches)	78%	extreme
February Weather	25°C (78°F)	42 mm (1.7 inches)	75%	extreme
March Weather	27°C (80°F)	45 mm (1.8 inches)	74%	extreme
April Weather	28°C (82°F)	24 mm (0.9 inches)	76%	extreme
May Weather	28°C (83°F)	120 mm (4.7 inches)	76%	extreme
June Weather	28°C (82°F)	262 mm (10.3 inches)	81%	extreme
July Weather	27°C (81°F)	374 mm (14.7 inches)	84%	extreme
August Weather	27°C (81°F)	261 mm (10.3 inches)	85%	extreme
September Weather	27°C (81°F)	348 mm (13.7 inches)	85%	extreme
October Weather	27°C (81°F)	234 mm (9.2 inches)	82%	extreme
November Weather	27°C (80°F)	175 mm (6.9 inches)	85%	extreme
December Weather	26°C (79°F)	233 mm (9.2 inches)	86%	very high