September Weather in Manila, Philippines

Last updated: August 27, 2025

September in Manila, Philippines brings a warm tropical embrace, with maximum temperatures soaring to 34°C (93°F) and an average of 28°C (83°F). As the month unfolds, the city experiences a notable shift in the weather, characterized by high humidity levels at 89%, creating a sultry atmosphere. Rainy days dominate the landscape, with 290 mm (11.4 in) of precipitation spread across 25 days, transforming the vibrant streets into a lively tapestry of lush greenery. This blend of warmth and moisture makes September a quintessential representation of Manila's tropical charm, offering a unique experience for both residents and visitors alike.

September Temperature in Manila

In September, Manila experiences a subtle transition as the wet season begins to wind down. With temperatures hovering between a minimum of 25°C (77°F) and a maximum of 34°C (93°F), the typical average settles at 28°C (83°F), offering a slight reprieve from the intense summer heat. This month marks a consistent pattern observed throughout the rainy period, where humidity remains high, yet slightly less oppressive than the peak months of May and June. As the city welcomes the onset of fall, residents can enjoy warm days tempered by occasional rains, enhancing the vibrant atmosphere of this bustling metropolis. The gradual cooling foreshadows a smooth transition into the more temperate months ahead, inviting exploration and outdoor activities amidst a mix of sunshine and refreshing downpours.

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

The chart illustrates September temperature patterns in Manila, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manila, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808183858785838283838381
Data source: Temperature data for Manila generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Manila

In September, Manila Experience a notable continuation of its rainy season, with precipitation levels reaching 290 mm (11.4 in), consistent with the preceding month of August. This substantial downpour occurs over approximately 25 days, indicating that the city is often enveloped in showers, which contributes to its lush landscapes. As the wet season peaks, residents can expect frequent rain, a common aspect of life during this time of year. This trend underscores the monsoon's significant influence on Manila's climate, with rainfall volumes remaining high as the transition to October approaches, offering a glimpse of the city's dramatic weather patterns.

September Precipitation Trends in Manila

The chart displays monthly precipitation patterns in Manila, 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 Manila, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7221121391199362290290181120160
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manila

In September, humidity in Manila, Philippines, peaks at 89%, mirroring the trends of the preceding months where moisture levels reach their yearly highs. The transition from the dry season in the early part of the year, with humidity as low as 68% in March, shifts dramatically by the time summer unfolds. From June to September, the climate becomes increasingly oppressive, with humidity levels consistently hovering in the upper eighties. This high humidity is a hallmark of Manila's tropical monsoon climate, making September not only one of the most humid months but also a time when the city feels its most sultry and vibrant, underscoring the unmistakable pattern of rising moisture as the wet season deepens.

September Average Humidity in Manila

This chart illustrates the average monthly humidity levels in Manila, 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 Manila is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%69%69%76%87%89%89%89%86%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Manila

As the calendar turns to September in Manila, the UV Index remains at a striking 14, marking another month of extreme sun exposure. This consistent high level, which has characterized Manila's UV index throughout the year, signals that even short outings can lead to sunburn in as little as 10 minutes. Following a pattern of intense UV levels from January through August, September's readings continue the trend of caution, reminding residents and visitors alike of the importance of sun safety. For more detailed information on UV levels, visit Manila UV Index.

Maximum UV Index Levels in Manila for September

The chart shows the monthly maximum UV Index (UVI) for Manila 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 Manila typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141313131414131010
Data source: Manila 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 Manila

As September rolls around in Manila, the city enjoys 254 hours of sunshine, a slight dip from the summer peak seen in May and June, yet still basking in ample daylight. This month marks the transition from the sweltering summer months to the more temperate fall season, with sunshine hours steadily decreasing as the rainy season approaches. Despite this decrease, September continues to offer more sunny days than the earlier months of the year, showcasing a vibrant equatorial climate. Overall, the sunlight trend in Manila remains a vital source of warmth and energy, acting as a backdrop to the bustling life of the city.

Monthly Sunshine Duration in Manila: September Highlighted

The September sunshine duration represents the total number of hours Manila 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h276h316h313h323h293h260h255h254h268h272h280h
Data source: Manila September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Manila During September

In September, the chance of sunny weather in Manila, Philippines, stands at a modest 19%, reflecting the lingering effects of the rainy season. As summer transitions into the wet months, this slight uptick in sunshine is a stark contrast to the previous months of July and August, with their dismal probabilities of only 10% and 11%, respectively. While March and May boast the highest probabilities of sun, September marks a shift to the clear skies of October, which climb to 24%. For those exploring Manila in September, it's wise to pack an umbrella just in case, as the weather remains unpredictable, with the sun's appearance a pleasant surprise rather than a guarantee.

Percentage of Sunny Days in September in Manila

The chart illustrates the percentage of sunny days in Manila 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 Manila experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%38%52%48%53%21%10%11%19%24%36%34%
Data source: Manila September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Manila in September

In September, Manila enjoys a consistent 12 hours of daylight, aligning with the trend established during the previous five months. This period of ample sunlight is a hallmark of tropical climates, where the variation in daylight duration is minimal throughout the year. As the city transitions into the second half of the year, residents benefit from this steady supply of natural light, creating vibrant days perfect for outdoor activities. Following September, a gradual decrease will bring October back to 11 hours, but for now, the equatorial sun continues to cast its warm glow over the bustling metropolis.

Average Daylight Hours in Manila for September

The chart illustrates the variation in daylight duration in Manila throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 21m11h 39m12h 2m12h 27m12h 47m12h 57m12h 52m12h 34m12h 11m11h 47m11h 26m11h 16m
Data source: Manila daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Manila

As September rolls in Manila, a notable shift occurs in the wind patterns. With an average wind speed of just 2.1 m/s (5 mph), September marks the year's calmest month, contrasting sharply with the more spirited breezes of mid-summer, where July boasted 3.8 m/s (8 mph). This decline suggests that as the typhoon season approaches, the winds become gentler, inviting a sense of tranquility after the previous months of swirling gusts. Following September, the winds gradually pick up again, entering a phase marked by increased speeds in the closing months of the year. This gentle September breeze is a quiet prelude to the dynamic climate shifts that characterize the Philippines' tropical environment.

Average September Wind Speed in Manila

The chart displays monthly wind speed patterns in Manila, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.23.22.93.22.33.82.62.1 m/s2.62.63.7
Data source: Manila September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Manila Compares to Other Months

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

In September, the weather is notably warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 34°C (93°F) and an average temperature of 28°C (83°F). This month is also characterized by significant rainfall, with 290 mm (11.4 in) of precipitation falling over 25 days, resulting in humidity levels that hover around 89%.

In contrast, January offers a slightly cooler climate, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F) and an average of 27°C (80°F). The precipitation is considerably less, totaling 71 mm (2.8 in) over just 5 days, and the humidity drops to 76%, making it a more comfortable month overall. For a closer look at the weather specifics, check out Manila weather in January.

September and February present distinct weather patterns in terms of temperature, precipitation, and humidity. In September, temperatures typically range from a minimum of 25°C (77°F) to a maximum of 34°C (93°F), with a high average of 28°C (83°F). This month is also characterized by significant rainfall, receiving about 290 mm (11.4 in) over approximately 25 days, leading to a high humidity level of 89%. In contrast, February experiences milder temperatures, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 33°C (91°F). Precipitation is minimal in February, amounting to only 21 mm (0.8 in) over just 3 days, and humidity drops to 71%. For a more detailed overview, you can check out Manila weather in February.

In September, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F), an average of 28°C (83°F), and a maximum reaching 34°C (93°F). This month experiences significant rainfall, totaling 290 mm (11.4 in) over approximately 25 days, which contributes to high humidity levels of around 89%. In contrast, March offers slightly warmer conditions, with a minimum of 23°C (74°F) and an average of 29°C (84°F), peaking at 35°C (95°F). Rainfall is drastically reduced in March, with only 12 mm (0.5 in) recorded over just 2 days, leading to much lower humidity at 68%. For more detailed information on the weather during this time, check out Manila weather in March.

In comparing the weather conditions of September and April, we see notable differences. September experiences a minimum temperature of 25°C (77°F) and averages around 28°C (83°F), with maximum temperatures reaching 34°C (93°F). It is characterized by high humidity at 89% and significant rainfall, accumulating 290 mm (11.4 in) over 25 days.

In contrast, April boasts warmer temperatures, with a minimum of 25°C (77°F), an average of 30°C (86°F), and maximums climbing to 36°C (97°F). The moisture levels are considerably lower, with humidity at 69% and only 13 mm (0.5 in) of precipitation spread over just 2 days. This makes April a drier and hotter month overall compared to the rainy and humid September. For more details about the weather during this time, you can check Manila weather in April.

In comparing the weather between September and May, we find notable differences in both temperature and precipitation. September typically experiences a minimum temperature of 25°C (77°F) and an average of 28°C (83°F), with highs reaching up to 34°C (93°F). This month is characterized by high humidity at 89% and significant rainfall, averaging 290 mm (11.4 in) spread over 25 days. In contrast, May's weather is slightly warmer, with a minimum of 26°C (78°F) and an average temperature of 30°C (87°F), peaking at a maximum of 36°C (98°F). Rainfall is much lighter in May, totaling 91 mm (3.6 in) over just 13 days, and the humidity is lower at 76%. For more detailed information, you can visit Manila weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures, with September averaging around 28°C (83°F) and June slightly warmer at 29°C (85°F). However, June features even higher maximum temperatures, reaching up to 36°C (97°F), compared to September's 34°C (93°F). Precipitation levels are significantly higher in September, with 290 mm (11.4 in) over 25 days, while June receives 199 mm (7.8 in) over 23 days, showcasing a wetter climate in September despite the similar humidity levels of 89% and 87% respectively. For more detailed information, check out Manila weather in June.

September and July exhibit quite similar temperature profiles, with both months having a minimum temperature around 25°C (77°F) and an average of 28°C (83°F). However, July tends to be slightly warmer at its maximum, reaching 34°C (94°F) compared to September's high of 34°C (93°F). When it comes to precipitation, July receives significantly more rainfall, with a total of 362 mm (14.2 in) over 29 days, in contrast to September's 290 mm (11.4 in) across 25 days. Humidity levels are quite comparable, with September at 89% and July at 88%. For a deeper look at the specifics of July weather, you can check out Manila weather in July.

Both September and August exhibit similar temperature ranges, with minimum temperatures around 25°C (77°F), average temperatures of 28°C (83°F), and maximum temperatures peaking at 34°C (93-94°F). Precipitation levels are consistent, each month receiving about 290 mm (11.4 in), but August sees rainfall spread over 28 days compared to September's 25 days. Humidity remains high in both months at 89%. For more detailed information on August weather, you can check Manila weather in August.

In both September and October, the weather in Manila remains remarkably consistent, with minimum temperatures around 25°C (77°F), average temperatures at 28°C (83°F), and maximum temperatures peaking at 34°C (93°F). However, October experiences a notable decrease in precipitation, recording 181 mm (7.1 in) over 20 days compared to September's 290 mm (11.4 in) across 25 days. Additionally, October's humidity slightly drops to 86%, down from September's 89%, making it feel a bit more comfortable. For further details, you can check Manila weather in October.

In September, Manila experiences warmer temperatures with a minimum of 25°C (77°F) and a maximum of 34°C (93°F), averaging around 28°C (83°F). The month is characterized by significant rainfall, with about 290 mm (11.4 in) spread over 25 days, accompanied by a high humidity level of 89%. In contrast, November sees slightly lower temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (93°F), maintaining the same average of 28°C (83°F). Notably, November has considerably less rainfall, totaling 120 mm (4.7 in) over just 10 days, while humidity remains constant at 89%. For more details on the weather in November, you can check Manila weather in November.

In comparing the weather of September and December, September tends to be warmer and more humid, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 34°C (93°F). This month also experiences significant rainfall, accumulating about 290 mm (11.4 in) over approximately 25 days, all while maintaining a high humidity level of 89%. In contrast, December sees slightly cooler temperatures, with averages from a minimum of 23°C (75°F) to a maximum of 33°C (91°F). Precipitation is notably reduced during this month, totaling around 160 mm (6.3 in) over just 11 days, and humidity levels slightly drop to 86%. For more detailed information, you can check Manila weather in December.

Compare Manila's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Manila

As September rolls into Manila, the city experiences a notable shift in its weather dynamics, characterized by its high humidity and frequent rainfall. With an average temperature of 28°C (83°F), this month stands out due to its substantial precipitation, totaling 290 mm over roughly 25 days. Unlike the drier months that precede it, September ushers in a more tropical ambiance, making the atmosphere feel much heavier. Visitors should prepare for the occasional downpour while enjoying the warm temperatures, encapsulating the essence of Manila's lush climate. To learn more about how this month fits into the broader weather patterns, check out Manila Climate.