Last updated: August 27, 2025
As September unfolds in the Philippines, the weather presents a warm and humid atmosphere, with maximum temperatures reaching 31°C (87°F) and averaging around 27°C (80°F). The nights offer slight relief, cooling down to a minimum of 24°C (76°F). This month is characterized by significant rainfall, accumulating to around 448 mm (17.6 in) over 28 days, contributing to an overall humidity level of 84%. Travelers and locals alike should brace for a wet yet warm month, ideal for enjoying the lush landscapes and vibrant culture that the archipelago has to offer.
In September, the weather in the Philippines remains warm and inviting, with minimum temperatures consistently hovering around 24°C (76°F). The average temperature stays stable at 27°C (80°F), prompting pleasant days perfect for exploration. As the month progresses, maximum temperatures see a slight uptick, reaching up to 31°C (87°F), indicating a touch of summer lingering in the air. This consistency in warm weather from previous months suggests that September is an ideal time for outdoor activities, as the climate remains favorable for both locals and tourists alike. With the slight increase in daytime warmth, it’s a great opportunity to enjoy the stunning beaches and vibrant landscapes that the Philippines has to offer.
September in the Philippines marks a peak in the wet season, with precipitation reaching an impressive 448 mm (17.6 in) over 28 days of rain. This significant increase follows a pattern that has seen monthly rainfall swell from a modest 100 mm (3.9 in) in January to soaring totals during the mid-year months. July and August already set a high bar with 439 mm (17.3 in) and 385 mm (15.2 in), respectively, but September surpasses them, highlighting the intensity of the monsoon season. The continuation of heavy rains not only reflects a trend towards wetter conditions but also underscores the challenges faced by the region in managing precipitation-related impacts throughout this crucial month.
In September, the Philippines experiences a notable surge in humidity, peaking at an average of 84%. This increase marks a shift from the slightly lower levels seen in the preceding months; August’s humidity was at 80%, while the humidity gradually decreases from April's 79% to May's 77%. This trend reflects the transitional phase of the wet season, where the air becomes heavier and more saturated, creating a tropical atmosphere that is characteristic of the region. Typically, the humidity tends to rise again towards the end of the year, as seen in December, when it reaches the same level as in September. This cyclical pattern showcases the Philippines' distinct climatic rhythm, emphasizing the rich, humid environment that characterizes much of its weather throughout the year.
In September, the UV Index in the Philippines reaches 15, categorizing it as extreme and indicating a burn time of just 10 minutes. This month marks a slight increase from the previous months, where the UV Index typically hovered around 14. Throughout the year, the UV Index remains consistently high, particularly from March to April, when it peaks at 16. Overall, the pattern shows that the region experiences a notably intense level of solar radiation, emphasizing the importance of sun protection. For more detailed insights about UV levels in Asia, visit Asia UV Index.
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As September rolls in, the Philippines continues to bask in a delightful array of sunshine, with an average of 250 hours of bright daylight. This marks a slight dip from the vibrant summer months of May and March, which showcased the country at its sunniest, boasting 308 and 312 hours respectively. Despite this decrease, September maintains a robust level of sunshine compared to the earlier months of the year, preserving the warmth and allure that draws visitors to its pristine shores. Following the sun-soaked days of summer, the trend hints at a gradual transition into the rainy season, yet the Philippines still enjoys a commendable glow that invites exploration and adventure during this vibrant month.
As September rolls in, the likelihood of sunny weather in the Philippines takes a noticeable dip, with only an 8% chance of sunshine. This decline reflects a broader trend seen during the latter part of the year, where the sun becomes increasingly elusive compared to the early months. Notably, March experiences the highest probability at 32%, hinting at a transition from the dry season to the more unpredictable weather patterns typical of late summer and early autumn. As temperatures cool and rain clouds gather, September can be expected to serve as a precursor to the wetter months ahead, making clear blue skies a rare treat rather than the norm.
In the Philippines, September marks a continuation of a pleasant pattern observed in the region's daylight hours. With 12 hours of daylight, the month joins a series of consistently bright months from March through August, where longer days are a hallmark of the tropical climate. As the year transitions into October, daylight begins to slightly decline, returning to 11 hours, reminiscent of the earlier months. This steady rhythm not only enhances outdoor activities but also sets a vibrant atmosphere, allowing Filipinos to fully embrace the sunny days before the gradual dimming that comes with the end of the year.
As September ushers in a subtle shift in wind patterns across the Philippines, the average wind speed gently rises to 2.8 m/s (6 mph). This marks a slight increase from the summer months, particularly after experiencing the peak of 4.5 m/s (10 mph) in July. The transition from the sweltering heat of summer is apparent, as the winds begin to carry a refreshing breeze, hinting at the forthcoming changes of the fall season. Following this, October shows a further uptick, reaching 3.1 m/s (7 mph), suggesting an evolving dynamic as the year progresses. Overall, September's winds serve as a bridge, gracefully linking the warmer months to the cooler, more vibrant air of autumn, creating a tranquil atmosphere that enhances the natural beauty of the islands during this time.
Weather in Asia varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Asia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by slightly warmer temperatures, with average highs reaching 31°C (87°F) and significant rainfall totaling 448 mm (17.6 in) over 28 days, resulting in a high humidity level of 84%. In contrast, January sees similar average temperatures, generally ranging from a minimum of 24°C (75°F) to a maximum of 30°C (87°F), but with considerably less precipitation at 100 mm (3.9 in) spread over 15 days, and slightly lower humidity at 83%. This makes January a drier and somewhat cooler option compared to the wetter and warmer September. For more information on weather in January, visit Asia weather in January.
In September, the weather tends to be warmer and significantly wetter, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (87°F), accompanied by high humidity at 84%. The month experiences considerable rainfall, totaling 448 mm (17.6 in) over 28 days, creating a lush and vibrant atmosphere. In contrast, February presents a slightly cooler environment with temperatures ranging from 23°C (73°F) to 30°C (87°F) and lower humidity at 81%. Rainfall is also minimal in February, with only 95 mm (3.7 in) over 10 days, making it a more pleasant time for outdoor activities. For more details about Asia's February weather, visit Asia weather in February.
In comparing the weather of September and March, both months exhibit similar average temperatures, hovering around 27°C (81°F). However, September is notably more humid and wetter, with a humidity level of 84% and total precipitation reaching 448 mm over 28 days. In contrast, March features lower precipitation at 74 mm spread over just 9 days and a slightly lower humidity of 80%. This makes March a drier and less humid month compared to the rainy September. For more details, you can check Asia weather in March.
September and April exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (87°F), with an average of 27°C (80°F). This month experiences significantly higher precipitation, with 448 mm (17.6 in) spread across 28 days and humidity levels reaching 84%. In contrast, April sees slightly warmer conditions, with temperatures ranging from 24°C (76°F) to 33°C (91°F) and an average of 28°C (82°F). Precipitation in April is considerably lower at 104 mm (4.1 in) over 16 days, accompanied by a more moderate humidity level of 79%. For more insights on April weather, you can visit Asia weather in April.
In comparing the weather of September and May, both months are warm and humid but exhibit distinct characteristics. September experiences slightly cooler temperatures, with average highs of 31°C (87°F) compared to May's 32°C (89°F); however, both months have similar minimum temperatures, with September starting around 24°C (76°F) and May at 25°C (77°F). Notably, September sees a significantly higher precipitation level at 448 mm (17.6 in) over 28 days, resulting in a much wetter atmosphere than May's 242 mm (9.5 in) of rainfall, which also falls over 28 days. Humidity is also higher in September at 84%, compared to May's 77%, making the former feel more oppressive. For more information on weather conditions, you can visit Asia weather in May.
In comparing the weather of September and June, we find that both months have similar temperature ranges, with minimums of 24°C (76°F), averages around 27°C, and maximums reaching 31°C (87°F in September and 88°F in June). However, September experiences significantly higher precipitation, totaling 448 mm (17.6 in) over 28 days, compared to June's 354 mm (14.0 in) over 29 days. Humidity is also notably higher in September at 84%, while June holds a slightly lower level at 78%. For more detailed information on weather patterns, you can visit Asia weather in June.
In comparing the weather between September and July, both months exhibit similar warm temperatures, with daily averages hovering around 27°C (80°F) and minimum temperatures consistently at 24°C (76°F). However, September slightly surpasses July in maximum temperatures, reaching up to 31°C (87°F), compared to July’s peak of 30°C (87°F). Precipitation levels are notably high in both months, with September receiving 448 mm (17.6 in) of rain over 28 days, while July sees 439 mm (17.3 in) across 30 days. Additionally, September's humidity is higher, averaging at 84%, compared to July's 79%. For more detailed weather information for July, please visit Asia weather in July.
In September, temperatures remained consistent with August, featuring a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 31°C (87°F). However, September experienced significantly higher precipitation, with 448 mm (17.6 in) over 28 days, compared to August's 385 mm (15.2 in) during the same number of days. The humidity also slightly increased in September to 84%, compared to August's 80%. For more details on weather conditions in August, you can check Asia weather in August.
In September, the weather features a minimum temperature of 24°C (76°F) and an average temperature of 27°C (80°F), with maximum temperatures reaching 31°C (87°F). The month experiences significant rainfall, accumulating 448 mm (17.6 in) over 28 days, accompanied by high humidity levels of 84%.
In contrast, October maintains a similar temperature profile, with minimums at 24°C (76°F), an average of 27°C (81°F), and maximums of 31°C (88°F). However, it sees a reduction in precipitation to 397 mm (15.6 in) over an additional day, with humidity decreasing slightly to 79%. Overall, October offers slightly drier conditions than September while retaining similar warmth. For more details, you can refer to Asia weather in October.
In comparing the weather between September and November, we observe that both months maintain a warm temperature range, with minimums around 24°C (76°F), averages of 27°C (80°F to 81°F), and maximums reaching up to 31°C (87°F to 88°F). However, September is significantly wetter, experiencing 448 mm (17.6 in) of rainfall over 28 days, in contrast to November’s 194 mm (7.6 in) over just 22 days. Humidity levels are relatively high in both months, with September at 84% and November slightly lower at 80%. This reduction in rainfall and humidity makes November a more pleasant month for outdoor activities. For more detailed insights, explore Asia weather in November.
In September, the weather tends to be hotter and wetter compared to December, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (87°F) and an average of 27°C (80°F). This month also sees high rainfall, with a total precipitation of 448 mm (17.6 in) spread across 28 days, resulting in a humidity level of 84%. By December, temperatures remain similar, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 30°C (87°F). However, the precipitation significantly decreases to 189 mm (7.4 in) over 21 days, while humidity remains consistent at 84%. For more details on December weather in Asia, check out Asia weather in December.
As September arrives in Asia, the weather shifts to a pattern characterized by significant humidity and consistent rainfall. With temperatures typically hovering around a warm average, this month stands out due to its frequent precipitation, leading to a lush and vibrant landscape. The 28 rainy days bring a refreshing change compared to the drier summer months, creating an environment where tropical flora thrives. While the warmth remains inviting, the combination of higher humidity and substantial rainfall differentiates September from the preceding months. For more detailed insights on regional patterns, visit Asia Climate.