September Weather in City of Isabela, Philippines

Last updated: August 27, 2025

In City of Isabela, Philippines, the average temperature in September hovers around 27°C (80°F), providing a warm tropical vibe. Expect minimums of 24°C (76°F) and maximums reaching 30°C (86°F), perfect for outdoor adventures. However, don't forget your umbrella, as precipitation averages 246 mm (9.7 in) over 25 days, coupled with high humidity levels at 82%. Prepare for a balmy yet lively month!

September Temperature in City of Isabela

In September in City of Isabela, the average temperature is 27°C (80°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 24°C (76°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

September Weather in City of Isabela: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in City of Isabela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In City of Isabela, September typically has an average temperature of 27°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 City of Isabela generated using information from the Copernicus Climate Change Service.

September Precipitation in City of Isabela

In City of Isabela in September, the total precipitation amount is 246 mm (9.7 in), spread over the course of 25 days.

September Precipitation Trends in City of Isabela

The chart displays monthly precipitation patterns in City of Isabela, 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 City of Isabela, September typically receives around 246 mm (9.7 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in City of Isabela

In City of Isabela in September, humidity is 82%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, often leaving travelers longing for shade and a refreshing drink.

September Average Humidity in City of Isabela

This chart illustrates the average monthly humidity levels in City of Isabela, 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 City of Isabela is approximately 82%, 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 City of Isabela

In City of Isabela 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 City of Isabela.

Maximum UV Index Levels in City of Isabela for September

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

Data source: City of Isabela 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 City of Isabela Compares to Other Months

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

This table compares monthly weather conditions in City of Isabela, 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)	137 mm (5.4 inches)	82%	extreme
February Weather	27°C (81°F)	74 mm (2.9 inches)	81%	extreme
March Weather	27°C (81°F)	135 mm (5.3 inches)	80%	extreme
April Weather	27°C (81°F)	129 mm (5.1 inches)	76%	extreme
May Weather	27°C (82°F)	173 mm (6.8 inches)	76%	extreme
June Weather	27°C (81°F)	241 mm (9.5 inches)	77%	extreme
July Weather	27°C (80°F)	237 mm (9.3 inches)	76%	extreme
August Weather	27°C (80°F)	214 mm (8.4 inches)	78%	extreme
September Weather	27°C (80°F)	246 mm (9.7 inches)	82%	extreme
October Weather	27°C (80°F)	261 mm (10.3 inches)	77%	extreme
November Weather	27°C (81°F)	206 mm (8.1 inches)	77%	extreme
December Weather	27°C (81°F)	153 mm (6.0 inches)	81%	extreme