Last updated: August 27, 2025
September in Rizal, Philippines, brings a hot and humid climate with an average temperature of 27°C (81°F), peaking at a sizzling 34°C (93°F). Nights are relatively cooler, with temperatures dropping to a minimum of 23°C (74°F). This month is characterized by significant precipitation, with a total of 379 mm (14.9 in) falling over 27 days, contributing to the region's lush greenery. The high humidity, averaging around 85%, further enhances the tropical atmosphere, making it a vibrant yet challenging time for residents and visitors alike.
In September, Rizal, Philippines, experiences a warm and inviting climate, with temperatures ranging from a comfortable 23°C (74°F) at night to a toasty 34°C (93°F) during the day. The average temperature remains steady at 27°C (81°F), mirroring the figures from the previous months. This consistency indicates that while the rainy season may be underway, the heat persists, particularly in early autumn. Compared to August, which shares similar temperature trends, September nudges slightly warmer, particularly at the peak of the day, making it a great time for beach outings or exploring outdoor attractions when the sun shines brightest. As the year progresses toward October, temperatures are likely to remain stable, offering a mix of summer warmth and the fresh feel of the impending rainy season.
September brings a significant surge in rainfall to Rizal, Philippines, with an impressive 379 mm (14.9 in) of precipitation recorded. This places September among the peak months for rainfall, closely following the monsoon-heavy July and August. The wet season intensifies as the number of rainy days reaches 27, contributing to the lush landscapes characteristic of this vibrant region. The upward trend in precipitation from June through September emphasizes a seasonal pattern where the tropics display their full meteorological force, culminating in September's noteworthy totals. This abundance of rain not only sustains the area’s agricultural activities but also underscores the importance of effective water management during this dynamic period.
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.
As the year progresses, the UV Index in Rizal, Philippines, remains predominantly extreme, making it crucial for residents and visitors to stay vigilant about sun exposure. September maintains a high UV Index of 14, consistent with the intense levels seen throughout the summer months. This reinforces a trend where the UV Index peaks at 15 in both March and August, signifying the region's continuous risk of skin damage due to ultraviolet radiation. Notably, despite minor fluctuations, the burn time has consistently been short—just 10 minutes across most of the year, highlighting the urgent need for sun protection. As we transition into the cooler months, while there is a slight drop in the Index to 13 in October, the UV intensity remains significant. To plan your outdoor activities safely, be sure to check the latest updates on the Rizal UV Index.
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In Rizal, Philippines, the month of September offers a delightful transition from the vibrant summer months, with an inviting 251 hours of sunshine. This sunshine pattern reflects a slow decline from the peak brightness of May, which boasts an impressive 321 hours, signaling the height of the sun’s presence. As the year progresses, the luminous days gradually recede, with September's sunshine slightly lower than the preceding months. Interestingly, this decline continues into October, where hours rise again to 264. Overall, the data showcases a gentle ebb and flow of sunlight throughout the year, with September standing out as a perfect time to enjoy the warm rays before the cooler months set in.
In Rizal, Philippines, the likelihood of sunny weather in September is relatively low, with only a 14% chance of sunshine. This aligns with a noticeable trend of decreasing sunny days as the rainy season approaches, peaking in July and August when the chances drop to just 9% and 11%, respectively. As the year progresses from the heat of April and May, which boast chances close to 42%, weather patterns shift significantly towards cloudier and wetter conditions. While September does not offer the brightest prospects, it gently transitions into a more varied climate, leading into a fresher outlook in October with a slight uptick to 15%.
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.
As September arrives in Rizal, Philippines, the winds tend to whisper softly, with an average speed of 2.1 m/s (5 mph) mirroring the gentle breezes of August. This serene transition marks a notable dip from the earlier months, where the wind reached higher speeds in the beginning of the year, peaking at 4.8 m/s (11 mph) in January. Following a trend of decreasing winds from April through July, September continues this calm, setting a tranquil tone as the region shifts towards the more dynamic winds of October and November. Overall, the September breeze offers a respite, contrasting with the energetic winds that will later invigorate the landscape, creating a balance of stillness and movement in the air.
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.
September and January display a notable contrast in weather patterns. In September, the temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), with an average temperature of 27°C (81°F). This month also experiences significant rainfall, totaling 379 mm (14.9 in) over 27 days, contributing to a high humidity level of 85%. In contrast, January features milder temperatures, with a minimum of 22°C (71°F) and a maximum of 30°C (86°F), averaging 25°C (77°F). The precipitation in January is considerably lower, at 124 mm (4.9 in) over 17 days, and humidity decreases to 78%. Overall, September is characterized by hotter temperatures and heavy rainfall, while January offers cooler and drier conditions. For more details, check Rizal weather in January.
In comparing September and February weather, September typically boasts warmer temperatures with an average of 27°C (81°F) and highs reaching up to 34°C (93°F). This month also experiences significant rainfall, averaging 379 mm (14.9 in) over 27 days, contributing to a high humidity level of 85%. In contrast, February offers milder conditions, with average temperatures around 25°C (77°F) and maximums of 30°C (86°F). Precipitation is considerably lower at 75 mm (3.0 in) over 14 days, resulting in a humidity level of 75%. For more detailed insights about February weather, you can check Rizal weather in February.
When comparing the weather in September and March, September tends to be warmer and much wetter. In September, the temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), with an average of 27°C (81°F) and a high humidity of 85%. The month also experiences significant rainfall, with a total of 379 mm (14.9 in) spread over 27 days. In contrast, March offers slightly cooler conditions, with minimum temperatures of 21°C (71°F) and maximums reaching 31°C (89°F), averaging around 26°C (79°F). March is notably drier, with only 52 mm (2.0 in) of rain over 15 days and a lower humidity level of 74%. For a more detailed look at the weather conditions, you can check Rizal weather in March.
September and April exhibit distinct weather patterns, characterized by their temperature and precipitation levels. Both months share a similar average temperature of around 27°C (81°F), but September experiences higher extremes with maximums reaching 34°C (93°F) compared to April's maximum of 32°C (91°F). In terms of rainfall, September is significantly wetter, receiving 379 mm (14.9 in) across 27 days, while April sees only 61 mm (2.4 in) over 17 days. The humidity in September is notably higher at 85%, compared to April's 76%, contributing to a more oppressive atmosphere during the former month. For more insights into the specific weather conditions in Rizal during April, you can visit Rizal weather in April.
In comparing the weather trends of September and May, both months exhibit warm temperatures, but September tends to be slightly warmer on average, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (93°F). In contrast, May features temperatures that range from 24°C (75°F) to a maximum of 33°C (92°F), providing a comfortable warmth. However, September is characterized by significantly higher precipitation, totaling 379 mm (14.9 in) over 27 days, compared to May’s 204 mm (8.0 in) across 29 days. Additionally, the humidity in September averages around 85%, making it a more humid month compared to May’s 76%. For further insights on May weather, you can visit Rizal weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures, with averages around 27°C (81°F) in September and slightly higher at 28°C (82°F) in June. While the maximum temperatures reach up to 34°C (93°F) in both months, September experiences more rain, with 379 mm (14.9 in) of precipitation over 27 days compared to June's 278 mm (11.0 in) over 29 days. Additionally, September has a higher humidity level at 85% versus June’s 81%. For a more detailed look at the weather in June, you can check out Rizal weather in June.
In comparing the weather of September and July, both months showcase warm temperatures with averages around 27°C (81°F). July slightly edges out September with a minimum temperature of 24°C (75°F) compared to September’s 23°C (74°F), while the maximum temperatures are quite similar—July reaching 33°C (92°F) and September hitting 34°C (93°F). However, September experiences increased precipitation with 379 mm (14.9 in) over 27 days, compared to July's 396 mm (15.6 in) over 30 days. Humidity levels are also comparable, with September at 85% and July at 84%. For detailed insights on July weather, you can explore Rizal weather in July.
In comparing the weather between September and August, both months exhibit similar temperature ranges, with minimums around 23°C (74°F) and average highs of 27°C (81°F). However, September tends to be slightly warmer, reaching a maximum of 34°C (93°F) compared to August's peak of 33°C (92°F). Notably, September experiences greater precipitation, totaling 379 mm (14.9 in) over 27 days, which is an increase from August's 307 mm (12.1 in) over 25 days. Despite these differences, humidity remains constant at 85% for both months. For a closer look at the weather specifics, you can check the Rizal weather in August.
In September, the weather is typically hotter and more humid, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (93°F). The month also experiences significant rainfall, totaling 379 mm (14.9 inches) over 27 days, contributing to a high humidity level of 85%. In contrast, October sees a slight decrease in temperatures, with an average still around 27°C (80°F) but a maximum of 33°C (91°F). Rainfall also diminishes to 314 mm (12.4 inches), occurring over 29 days, which results in slightly lower humidity at 82%. For more details on October weather, you can check the following link: Rizal weather in October.
In September, the weather is characterized by higher temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 34°C (93°F). This month also sees substantial rainfall, with 379 mm (14.9 in) spread over 27 days, contributing to a persistent humidity level of 85%. In contrast, November experiences slightly cooler conditions, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (88°F) and an average of 26°C (80°F). Additionally, precipitation decreases to 229 mm (9.0 in) over 26 days, while humidity remains steady at 85%. For more specific details on the weather in Rizal during November, you can check this link: Rizal weather in November.
September and December exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 379 mm (14.9 in) over 27 days, contributing to the high humidity at 85%. In contrast, December features slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (89°F), averaging 26°C (78°F). The amount of precipitation decreases to 282 mm (11.1 in) over 25 days, while humidity remains high at 86%. For more specific details about weather conditions in Rizal during December, you can check Rizal weather in December.
As September rolls in, Rizal's weather showcases distinct traits that set it apart from other months. Temperatures remain relatively warm, with an average that provides a comfortable yet humid atmosphere, emphasizing the region's tropical charm. The substantial rainfall during this month, coupled with high humidity levels, leads to a lush, vibrant landscape that is often missed in drier periods. With nearly 27 days of rain contributing to a total of 379 mm, September emerges as a pivotal month for agriculture and nature. For a deeper dive into the climatic patterns of the area, explore more at Rizal Climate.