September Weather in Rizal, Philippines

Last updated: August 27, 2025

Experience the vibrant September weather in Rizal, Philippines, where the atmosphere is characterized by warm temperatures averaging around 26°C (80°F). Throughout the month, residents can expect maximum highs of 30°C (85°F) and comfortable lows of 24°C (75°F). However, prepare for frequent rain, as the area averages a significant precipitation of 498 mm (19.6 in) over 27 days. With humidity levels hovering around 85%, the air is thick and tropical, offering a lush backdrop for outdoor activities and local exploration.

September Temperature in Rizal

In September, the temperatures in Rizal, Philippines, begin to reflect the gradual transition towards the cooler months, although the warmth remains a staple. With a minimum temperature of 24°C (75°F), an average of 26°C (80°F), and a maximum of 30°C (85°F), the weather is pleasantly warm yet comfortable for outdoor activities. This month continues the trend of consistent warmth seen throughout the preceding months, showcasing only a slight dip from the sweltering summer highs of April and May. While the temperatures remain relatively stable, the humidity often rises, hinting at the upcoming rainy season. Overall, September offers a blend of summer's lingering warmth while subtly preparing residents for the refreshing changes ahead.

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

The chart illustrates September temperature patterns in Rizal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rizal, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797981828281797979808180
Data source: Temperature data for Rizal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rizal

September in Rizal, Philippines, marks a notable continuation of the rainy season, with precipitation reaching an impressive 498 mm (19.6 in) across 27 days. This substantial rainfall reflects a slight decline from the preceding months, particularly July and August, which are characterized by peak rainfall totals of 661 mm (26.0 in) and 516 mm (20.3 in), respectively. As the region transitions deeper into the wet season, the consistent precipitation signals a lush, vibrant landscape, yet also poses challenges for daily activities. The overall trend emphasizes a rainy period that begins to taper off as Rizal moves toward the drier months, setting the stage for the moderate showers of October, which typically sees 457 mm (18.0 in) of rain over 28 days.

September Precipitation Trends in Rizal

The chart displays monthly precipitation patterns in Rizal, 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 Rizal, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec58405459106338661516498457186196
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Rizal

As September rolls into Rizal, Philippines, the humidity remains a notable constant, hovering at 85%, which aligns with the heightened moisture levels typically experienced during the latter part of the year. This month marks the peak of a gradual increase that began in June, where humidity started to rise significantly from an average of 76% in May. As the rainy season progresses, September's humidity transitions seamlessly into November's consistent 85% before slightly easing in October. This trend not only underscores the region's tropical climate but also hints at the lush greenery and vibrant natural landscapes that thrive under such conditions. The steady rise in humidity from the middle of the year reflects the environmental shift, inviting both local residents and visitors to embrace the moist, refreshing air characteristic of Rizal.

September Average Humidity in Rizal

This chart illustrates the average monthly humidity levels in Rizal, 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 Rizal is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%74%76%76%81%84%85%86%82%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rizal

In September, Rizal, Philippines, continues to experience extreme UV levels with an Index of 15, reflecting a consistent trend seen throughout the summer months. The burn time remains a mere 10 minutes, reminding residents and visitors alike of the importance of protective measures. Following a peak of 16 in April, UV levels slightly stabilized but have remained notably high from July through to September, suggesting that outdoor enthusiasts should stay vigilant about sun safety. As the year progresses into October, a slight dip to UV Index 13 is expected, yet the caution for skin protection remains pivotal. For detailed information, check out the Rizal UV Index.

Maximum UV Index Levels in Rizal for September

The chart shows the monthly maximum UV Index (UVI) for Rizal 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 Rizal typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141515131111
Data source: Rizal 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.

September Sunshine in Rizal

September in Rizal, Philippines, brings a gentle transition as the days start to shorten with 255 hours of sunshine. While this represents a dip from the vibrant sun-drenched months of summer, particularly from May's peak of 323 hours, it maintains a consistent warmth characteristic of the region. As the rainy season approaches, this slight reduction in sunlight sets the stage for a lush and vibrant landscape, preparing the way for October's modest recovery with 268 hours of sunshine, reaffirming that even as summer wanes, the tropical allure of Rizal remains irresistible. The overall trend indicates a gradual ebbing of sunlight from May to July, followed by a steady, albeit minor, fluctuation as the year progresses towards the end, showcasing the enchanting charm of Rizal's climate in September.

Monthly Sunshine Duration in Rizal: September Highlighted

The September sunshine duration represents the total number of hours Rizal experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec238h277h315h313h323h289h255h271h255h268h279h283h
Data source: Rizal September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rizal During September

In September, the likelihood of sunny weather in Rizal, Philippines, drops to a mere 9%, making it one of the least favorable months for sunshine. This trend follows the pattern observed from mid-year onward, where the chances of clear skies diminish significantly; for instance, July shows just 7% and August a bleak 10%. Interestingly, as the year progresses from the sunnier conditions of March, which boasts a 48% chance of sun, the transition into the latter months reveals an overall decline in sunlight. Thus, if you're planning outdoor activities in Rizal during September, it's wise to prepare for overcast skies rather than basking in warm sun.

Percentage of Sunny Days in September in Rizal

The chart illustrates the percentage of sunny days in Rizal throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rizal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%31%48%41%38%19%7%10%10%9%29%31%
Data source: Rizal September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rizal in September

In Rizal, Philippines, September heralds a continuation of the pleasant 12 hours of daylight that has characterized the region since March. As the days start to transition towards the shorter daylight hours of October, this month provides ample opportunities for outdoor adventures and activities under the warm sun. Notably, from January to February, daylight remains consistent at 11 hours, before gradually expanding to 12 hours from March through September. This trend reflects a stable tropical climate, where longer days are experienced throughout the dry months, enhancing the vibrant outdoor lifestyle that Rizal has to offer. After September, the daylight duration dips again, entering a seasonal ebb that reminds locals of the cyclical beauty of nature in the Philippines.

Average Daylight Hours in Rizal for September

The chart illustrates the variation in daylight duration in Rizal throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 28m11h 43m12h 3m12h 23m12h 41m12h 49m12h 45m12h 30m12h 10m11h 50m11h 32m11h 23m
Data source: Rizal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rizal

As September arrives in Rizal, Philippines, the average wind speed settles at a comfortable 2.6 m/s (6 mph), mirroring the breezy conditions often felt earlier in the year. This month continues the trend of moderate winds seen during the dry season, which typically features speeds ranging from 2.1 to 2.7 m/s. While July stands out with a notable uptick to 4.0 m/s (9 mph), September marks a return to those gentle breezes, perfect for outdoor activities and scenic vistas. As the transition towards the wetter months begins, the wind remains a refreshing companion, setting a tranquil tone as nature shifts into the lush greenery of the coming season.

Average September Wind Speed in Rizal

The chart displays monthly wind speed patterns in Rizal, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.22.12.72.62.24.02.42.6 m/s2.52.12.6
Data source: Rizal September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rizal Compares to Other Months

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

In comparison to September, January experiences slightly cooler temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), while September's temperatures range from a minimum of 24°C (75°F) to a maximum of 30°C (85°F). January has significantly lower precipitation levels, with only 58 mm (2.3 in) occurring over 10 days compared to September's much wetter climate of 498 mm (19.6 in) across 27 days. Additionally, January has a lower humidity level at 78%, compared to September's higher humidity of 85%. For more detailed information, you can visit Rizal weather in January.

When comparing the weather in September and February, September tends to be much wetter and more humid. September experiences a minimum temperature of 24°C (75°F) and an average of 26°C (80°F), with maximum temperatures reaching 30°C (85°F). The month is marked by high precipitation, totaling 498 mm (19.6 in) over 27 days, and humidity levels around 85%. In contrast, February features slightly cooler conditions with minimum temperatures at 22°C (72°F) and similar average and maximum temperatures of 26°C (79°F) and 30°C (86°F), respectively. The month sees significantly less rainfall, amounting to only 39 mm (1.6 in) over just 7 days, and the humidity drops to around 75%. For more information, check Rizal weather in February.

In September, the weather is characterized by warm temperatures, with minimums around 24°C (75°F) and maximums reaching up to 30°C (85°F). The month sees significant rainfall, totaling 498 mm (19.6 in) over 27 days, contributing to a high humidity level of 85%. In contrast, March offers slightly higher temperatures, with an average of 27°C (81°F) and a maximum of 31°C (88°F), but drastically less precipitation at 54 mm (2.1 in) over just 9 days. This results in a more comfortable humidity level of 74%. For more detailed insights, you can check Rizal weather in March.

When comparing the weather between September and April, several differences emerge. In September, the temperatures range from a minimum of 24°C (75°F) to a maximum of 30°C (85°F), with an average of 26°C (80°F). This month is characterized by significant rainfall, totaling 498 mm (19.6 in) over 27 days, and high humidity levels at around 85%. In contrast, April features slightly warmer conditions, with temperatures ranging from 24°C (75°F) to 32°C (89°F), averaging 28°C (82°F). Precipitation is much lower in April, with only 59 mm (2.3 in) over 11 days and humidity at a more comfortable 76%. For more detailed information, you can visit Rizal weather in April.

September and May present distinct weather patterns. September tends to be slightly cooler with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (85°F), but it also experiences significantly higher rainfall, totaling 498 mm (19.6 in) over 27 days, accompanied by high humidity at 85%. In contrast, May is warmer, with averages between 25°C (77°F) and 32°C (90°F), and considerably less precipitation at 106 mm (4.2 in) over 20 days, along with a lower humidity level of 76%. These differences make September feel more humid and rainy, while May is generally warmer and drier. For a detailed look at the weather in May, you can visit Rizal weather in May.

September and June both experience warm temperatures, but September tends to be slightly cooler overall. In September, the minimum temperature is around 24°C (75°F) and the average is 26°C (80°F), peaking at a maximum of 30°C (85°F). In contrast, June has a slightly higher average of 27°C (81°F) and can reach up to 32°C (89°F). Rainfall is more significant in September, with 498 mm (19.6 in) of precipitation over 27 days, compared to June's 338 mm (13.3 in) over 23 days. The humidity levels are also notable, with September having a higher average of 85% compared to June's 81%. For a more detailed look at June weather, check out Rizal weather in June.

In comparing the weather between September and July, we observe that both months have similar temperature ranges, with minimum temperatures of 24°C (75°F), average temperatures of 26°C (80°F), and maximum temperatures reaching up to 30°C (85°F in September and 87°F in July). However, July is marked by heavier precipitation, with 661 mm (26.0 in) over 30 days, compared to September’s 498 mm (19.6 in) over 27 days. Additionally, while the humidity levels are quite close, July has a slightly lower average humidity at 84%, compared to September’s 85%. For more detailed weather specifics, you can check out the Rizal weather in July.

In comparing the weather of September and August, both months exhibit similar temperature ranges, with September experiencing slightly warmer minimum and maximum temperatures. September's minimum temperature is 24°C (75°F), while August has a minimum of 23°C (75°F), but the average temperature remains constant at 26°C (80°F) for both months. Interestingly, September has a slightly lower total precipitation of 498 mm (19.6 in) over 27 days compared to August's 516 mm (20.3 in) over 28 days. Humidity levels are consistent at 85% for both months, contributing to the overall tropical feel. For a more detailed view of August's weather specifics, you can visit Rizal weather in August.

In September, the weather is characterized by slightly cooler temperatures, with a minimum of 24°C (75°F) and an average of 26°C (80°F), peaking at 30°C (85°F). The month sees a significant amount of rainfall, totaling 498 mm (19.6 in) over 27 days, and the humidity levels are quite high at 85%. In contrast, October brings slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 31°C (87°F). Although it remains humid at 82%, October experiences a bit less rainfall, totaling 457 mm (18.0 in) over 28 days. For more details, you may refer to Rizal weather in October.

In September, the weather is characterized by warm temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (85°F), with an average of 26°C (80°F). However, it is also quite rainy, with a substantial 498 mm (19.6 in) of precipitation spread across 27 days, resulting in high humidity levels of 85%. In contrast, November sees slightly warmer temperatures, with an average of 27°C (81°F) and maximums reaching 31°C (87°F), yet it experiences significantly less rainfall, with just 185 mm (7.3 in) over 16 days, while maintaining the same high humidity. For detailed weather insights, you can refer to Rizal weather in November.

September and December weather exhibit some notable similarities and differences. Both months feature warm temperatures, with average highs around 30°C (86°F) and a minimum of 23°C (74°F) to 24°C (75°F). However, September experiences significantly higher rainfall, with 498 mm (19.6 in) across 27 days compared to December’s 196 mm (7.7 in) over just 16 days. Humidity remains relatively consistent, hovering around 85-86%. For more detailed information about December weather, you can check Rizal weather in December.

Compare Rizal's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rizal

In September, Rizal experiences a brief transition into the cooler months, with temperatures averaging a balmy 26°C (80°F). While the daytime can reach a maximum of 30°C (85°F), the pervasive humidity at around 85% often makes it feel warmer. Unlike the drier seasons, September is characterized by significant precipitation, averaging nearly 500 mm over 27 days, marking it as one of the wettest months of the year. This increased rainfall not only cools the atmosphere but also nourishes the lush surroundings, setting the stage for the vibrant landscapes typical of Rizal. To learn more about how September weather compares to other months and additional climate details, visit Rizal Climate.