September Weather in Malolos, Philippines

Last updated: August 27, 2025

In September, Malolos, Philippines, experiences a warm tropical climate with an average temperature hovering around 28°C (83°F), peaking at a maximum of 32°C (90°F) and dipping to a minimum of 25°C (78°F). This month is characterized by significant precipitation, totaling 336 mm (13.2 in) over approximately 26 days, contributing to an elevated humidity level of 89%. Travelers can expect a mix of sun and rain, making it essential to prepare for a humid and wet environment while enjoying the vibrant local culture.

September Temperature in Malolos

In September, Malolos, Philippines, experiences a consistent and warm climate, with temperatures reflecting the tail end of the summer season. The minimum temperature hovers around 25°C (78°F), gradually transitioning to an average of 28°C (83°F), while the maximum reaches up to 32°C (90°F). This month showcases a slight dip compared to the sweltering days of May and April, yet it maintains a pleasant warmth, making it an appealing time for outdoor activities. The trend towards cooler evenings hints at the upcoming transition to the wetter months of the year, blending comfort with the lingering heat of summer. Whether exploring the city or enjoying the lush landscapes, September offers a delightful setting bathed in warm sunlight yet moderated by gentle breezes.

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

The chart illustrates September temperature patterns in Malolos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Malolos, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797982848584828282828281
Data source: Temperature data for Malolos 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 Malolos

September in Malolos, Philippines, brings a significant transition in weather, continuing the trend of the wet season. With precipitation reaching 336 mm (13.2 in) over 26 days, it follows a peak in rainfall seen in July and August, though slightly lower than those months. This heavy rainfall is indicative of a prolonged monsoon, as the city experiences nearly daily showers that contribute to lush landscapes and vibrant ecosystems. As the month wraps up, the precipitation begins to taper off, hinting at a gradual shift towards drier conditions in October, where rainfall drops to 218 mm (8.6 in). This pattern highlights Malolos' characteristic climate rhythm, featuring a clear delineation between intense monsoonal months and the onset of the drier season.

September Precipitation Trends in Malolos

The chart displays monthly precipitation patterns in Malolos, 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 Malolos, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec67281617104241430346336218126123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Malolos

In September, humidity in Malolos, Philippines, reaches a notable 89%, continuing the trend of high humidity that peaks during the latter part of the year. This month, alongside August, marks the pinnacle of the humid season, a period characterized by sticky days and muggy nights. After a gradual increase from a more comfortable 68% in March, humidity consistently rises through the summer months, peaking in September before slightly easing in October. The consistent high humidity, especially noticeable in the rainy season, shapes the region's tropical climate, encouraging lush vegetation and vibrant landscapes, leaving those who experience it embracing both its challenges and beauty.

September Average Humidity in Malolos

This chart illustrates the average monthly humidity levels in Malolos, 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 Malolos 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 Malolos

In September, Malolos, Philippines, experiences a consistently high UV Index of 14, categorizing the exposure risk as extreme with a rapid burn time of just 10 minutes. This maintains the trend from the preceding months, where the UV Index hovered between 13 and 15, indicating that sun safety remains a top priority. The intensity of sunlight during this period emphasizes the importance of protective measures, as residents and visitors alike are urged to take precautions against harmful UV rays. For further details on how to stay safe under the sun, explore the resources available at Malolos UV Index.

Maximum UV Index Levels in Malolos for September

The chart shows the monthly maximum UV Index (UVI) for Malolos 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 Malolos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314131414131010
Data source: Malolos 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 Malolos

September in Malolos, Philippines, offers a gentle transition from the vibrant summer months, with 254 hours of sunshine setting the tone for a serenely bright autumn. As one of the final stretches of the wet season, the hours of sunlight begin to taper off from the peak of 317 hours in May, showcasing a gradual decrease that persists into the later months. Nonetheless, September still holds its charm, nestled between the lush greens of August and the slightly brighter October with 266 hours. This continuity of sunlight, while not as abundant as earlier in the year, creates a perfect backdrop for leisurely afternoons and exploration, making Malolos a delightful destination even as the year shifts towards its close.

Monthly Sunshine Duration in Malolos: September Highlighted

The September sunshine duration represents the total number of hours Malolos 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.
JanFebMarAprMayJunJulAugSepOctNovDec232h274h313h310h317h292h259h256h254h266h270h276h
Data source: Malolos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Malolos During September

In Malolos, Philippines, the likelihood of sunny weather fluctuates significantly throughout the year, with September capturing a modest 20% chance of sunshine. Following the vibrant months of May and April, which boast higher percentages of sunny days, September experiences a notable decline, placing it alongside the peak rainy months of June, July, and August. This trend suggests that as the monsoon season amplifies, the chances of catching some rays dwindle, making September one of the less favorable months for sun-seekers. However, visitors can still hold out hope for clear skies amidst the typical overcast days.

Percentage of Sunny Days in September in Malolos

The chart illustrates the percentage of sunny days in Malolos 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 Malolos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%43%53%49%56%20%10%10%20%26%39%38%
Data source: Malolos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Malolos in September

In Malolos, Philippines, the month of September continues the trend of consistent daylight, offering residents and visitors about 12 hours of sunlight each day. This pattern reflects a stable period from March through September, where daylight remains constant at this duration. Following September, daylight hours begin to gradually decline as the year transitions into the cooler months of October through December, where sunlight shrinks to 11 hours. The balance of daylight in September embodies the vibrant energy of the rainy season, making it an excellent time to explore the region's lush landscapes and cultural heritage under the generous sky.

Average Daylight Hours in Malolos for September

The chart illustrates the variation in daylight duration in Malolos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 20m11h 38m12h 2m12h 27m12h 48m12h 58m12h 53m12h 35m12h 11m11h 46m11h 25m11h 15m
Data source: Malolos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Malolos

As September settles in Malolos, the average wind speed dips to 2.3 m/s (5 mph), marking the lowest point of the year. This gentle breeze contrasts sharply with the gustier winds of July, which peak at 4.2 m/s (9 mph), and the refreshing December winds that again reach 4.0 m/s (9 mph). The trend reveals a gradual decline in wind intensity from the vibrant summer months, with September embodying a tranquil transition towards the calmer days of late year. While the softer winds may invite languid afternoons, they also hint at the approaching coolness of the subsequent months, offering a serene respite in this bustling coastal locale.

Average September Wind Speed in Malolos

The chart displays monthly wind speed patterns in Malolos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.43.22.62.92.74.23.12.3 m/s2.82.84.0
Data source: Malolos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Malolos Compares to Other Months

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

September and January showcase distinct weather patterns. September experiences higher temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 32°C (90°F). This month is marked by significant rainfall, totaling 336 mm (13.2 in) over 26 days, along with high humidity at 89%. In contrast, January offers slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F), reaching a maximum of 30°C (87°F). The precipitation is much lower in January at 67 mm (2.6 in) over only 7 days, coupled with a decrease in humidity to 76%. For more detailed insights, you can visit Malolos weather in January.

In September, the weather is notably warmer and more humid, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (90°F) and an overall high humidity of 89%. This month also experiences significant rainfall, with around 336 mm (13.2 in) of precipitation spread across 26 days. In contrast, February offers a milder climate, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 31°C (88°F) and much lower humidity at 71%. Additionally, February sees only 28 mm (1.1 in) of rainfall over just 5 days, providing a drier and more pleasant atmosphere. For more specific details, check out the Malolos weather in February.

In September, the weather is characterized by higher humidity levels at 89% and significant precipitation, averaging 336 mm over 26 days, resulting in a rather wet climate. Temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), making it quite warm yet often uncomfortable due to the humidity. In contrast, March offers a more arid experience with dramatically lower rainfall at just 16 mm over 5 days and a decrease in humidity to 68%. Temperatures in March are also warm, with a minimum of 24°C (75°F) and a maximum reaching 34°C (93°F), creating a hotter yet drier feel. For more detailed insights, you can check Malolos weather in March.

September and April present contrasting weather conditions. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). However, it is characterized by high precipitation, totaling 336 mm (13.2 in) over 26 days, accompanied by humidity levels reaching 89%. In contrast, April is slightly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 34°C (94°F) and an average of 29°C (84°F). Rainfall is significantly lower, at just 17 mm (0.7 in) over only 4 days, resulting in a more comfortable humidity level of 69%. This makes April a drier and warmer month compared to the wet and humid conditions of September. For more details, you can check Malolos weather in April.

In comparing the weather of September and May, we see that both months feature warm temperatures, but September tends to be slightly cooler with an average of 28°C (83°F), compared to May's warmer average of 30°C (86°F). Additionally, September experiences significantly more precipitation, with 336 mm (13.2 in) over 26 days, while May has only 104 mm (4.1 in) across 16 days. The humidity in September is also notably higher at 89%, compared to 76% in May. For more detailed insights on the climate during this time, you can check Malolos weather in May.

In comparing the weather between September and June, both months are characterized by warm temperatures and high humidity levels. September sees slightly cooler temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), whereas June has a minimum of 26°C (79°F) and an average of 29°C (84°F). Precipitation is notably higher in September, totaling 336 mm (13.2 in) over 26 days, compared to June's 240 mm (9.5 in) over 25 days. Despite these differences, both months maintain high humidity, with September at 89% and June at 87%. For more detailed insights, you can explore Malolos weather in June.

In comparing the weather conditions of September and July, we observe that both months feature similar temperature ranges, with September slightly cooler at a minimum of 25°C (78°F) compared to July's minimum of 26°C (78°F). July tends to be a bit warmer overall, with a maximum temperature of 33°C (91°F) against September's maximum of 32°C (90°F). However, July experiences more rainfall, accumulating 430 mm (16.9 in) over 29 days, while September sees 336 mm (13.2 in) spread across 26 days. Additionally, the humidity is slightly higher in September at 89%, compared to July's 88%. For more detailed insights on July weather, you can visit Malolos weather in July.

In comparing the weather of September and August, we observe that both months maintain similar temperature patterns, with minimums around 25°C (78°F), averages near 28°C (82-83°F), and maximums peaking at 32°C (90°F). However, September experiences slightly less precipitation, totaling 336 mm (13.2 in) over 26 days, compared to August's 346 mm (13.6 in) spread across 28 days. Interestingly, humidity levels remain consistent at 89% for both months. For more detailed insights, you can check Malolos weather in August.

September and October share similar temperature ranges, with both months featuring minimum temperatures of 25°C (78°F), average temperatures of 28°C (83°F), and maximum temperatures hitting 32°C (90°F). However, October experiences a notable decrease in precipitation, totaling 218 mm (8.6 in) over 22 days, compared to September's 336 mm (13.2 in) across 26 days. Additionally, humidity levels slightly decrease from 89% in September to 86% in October, indicating a subtle shift in comfort as the months progress. For more specifics about the weather in October, you can visit Malolos weather in October.

In September, the weather tends to be quite humid and rainy, with average temperatures around 28°C (83°F) and precipitation totaling 336 mm (13.2 in) over 26 days. This creates a sticky atmosphere, typical of the tail end of the wet season. In contrast, November brings a slight decrease in precipitation to 126 mm (4.9 in) over just 15 days, while maintaining similar temperature levels, with an average of 28°C (82°F). Despite the humidity remaining at 89%, the overall conditions in November feel drier and more pleasant compared to the saturated weather of September. For more details, you can check Malolos weather in November.

In September, the weather is characterized by warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 32°C (90°F). This month also sees significant rainfall, with 336 mm (13.2 in) of precipitation spread across 26 days and a high humidity level of 89%. In contrast, December offers slightly cooler temperatures, featuring a minimum of 24°C (75°F) and an average of 27°C (81°F), reaching a maximum of 31°C (88°F). Rainfall decreases markedly in December, with only 123 mm (4.8 in) over 12 days and humidity slightly lower at 86%. For more on the December weather specifics, visit Malolos weather in December.

Compare Malolos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Malolos

As September rolls in, the weather in Malolos takes on a more tropical character, marked by higher humidity levels and increased precipitation. With an average temperature hovering around a warm 28°C, it feels invigorating yet sticky, especially when compared to the drier months. Rainfall peaks during this month, contributing to the overall lushness of the landscape, as the city experiences frequent showers on about 26 days, resulting in nearly 336 mm of rain. This shift to a wetter climate sets September apart from the preceding and following months, making it a unique time for both locals and visitors. For a deeper dive into what you can expect from the weather year-round, check out the comprehensive details at Malolos Climate.