September Weather in Diffun, Philippines

Last updated: August 27, 2025

In September, the average temperature in Diffun, Philippines hovers around 27°C (80°F), providing a warm and inviting climate. The weather can range from a comfortable 21°C (71°F) at its coolest to a sizzling 35°C (96°F) at its peak. Expect a fair amount of rain, with 218 mm (8.6 in) of precipitation spread over 24 days. With an average humidity of 87%, it’s a good idea to stay hydrated and enjoy the vibrant atmosphere!

September Temperature in Diffun

In September in Diffun, the average temperature is 27°C (80°F). Maximums can reach 35°C (96°F) and minimums can be as low as 21°C (71°F). This pleasant climate makes Diffun an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates September temperature patterns in Diffun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Diffun, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Diffun

In Diffun in September, the precipitation amount is 218 mm (8.6 in) recorded over a span of 24 days.

September Precipitation Trends in Diffun

The chart displays monthly precipitation patterns in Diffun, 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 Diffun, September typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 24 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 Diffun

In Diffun in September humidity is 87%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and challenging for traveling.

September Average Humidity in Diffun

This chart illustrates the average monthly humidity levels in Diffun, 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 Diffun is approximately 87%, 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 Diffun

In Diffun 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 Diffun, you can check here.

Maximum UV Index Levels in Diffun for September

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

Data source: Diffun 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 Diffun Compares to Other Months

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

This table compares monthly weather conditions in Diffun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (73°F)	174 mm (6.9 inches)	77%	extreme
February Weather	23°C (73°F)	128 mm (5.0 inches)	73%	extreme
March Weather	25°C (76°F)	94 mm (3.7 inches)	71%	extreme
April Weather	26°C (79°F)	61 mm (2.4 inches)	73%	extreme
May Weather	28°C (82°F)	210 mm (8.3 inches)	77%	extreme
June Weather	29°C (84°F)	117 mm (4.6 inches)	85%	extreme
July Weather	28°C (82°F)	267 mm (10.5 inches)	86%	extreme
August Weather	28°C (82°F)	245 mm (9.6 inches)	87%	extreme
September Weather	27°C (80°F)	218 mm (8.6 inches)	87%	extreme
October Weather	25°C (78°F)	296 mm (11.7 inches)	86%	extreme
November Weather	25°C (77°F)	297 mm (11.7 inches)	89%	extreme
December Weather	23°C (74°F)	358 mm (14.1 inches)	85%	very high