Last updated: August 27, 2025
In September, Calamba, Philippines, experiences a dynamic climate characterized by a maximum temperature reaching 32°C (90°F) and an average of 26°C (80°F), making it a warm period. The minimum temperature dips to 22°C (72°F), providing a comfortable respite in the evenings. However, this month is marked by significant rainfall, with a total of 288 mm (11.3 in) spread over 28 days, resulting in high humidity levels around 90%. This creates a tropical atmosphere, perfect for embracing the lush greenery and vibrant landscapes of the region, albeit requiring residents and visitors to stay prepared for frequent rain showers.
In September, Calamba, Philippines experiences a transition in temperatures that heralds the arrival of the cooler months. The minimum temperature hovers around a mild 22°C (72°F), while the average remains comfortable at 26°C (80°F), offering a pleasant reprieve from the hotter summer months. As the month progresses, the maximum temperature peaks at 32°C (90°F), indicating that while the heat lingers, it is slightly moderated compared to the sweltering highs of April and May. This subtle shift marks the beginning of the rainy season, bringing with it a blend of warm afternoons and the fresh, invigorating air of early fall. Overall, September in Calamba is characterized by its balanced climate, perfect for outdoor activities and enjoying the vibrant local scenery.
In September, Calamba, Philippines, experiences a remarkable uptick in precipitation, with an impressive 288 mm (11.3 in) of rainfall spread across 28 days. This trend of elevated rainfall begins a peak that typically stretches from June through October, as the region transitions into its wettest months. September’s precipitation is slightly higher than the preceding August average of 264 mm (10.4 in), underscoring the consistent moisture that graces the area during this time. As the rainy season advances, inhabitants can expect frequent showers, which contribute to the lush greenery and vibrant landscapes characteristic of Calamba, enhancing its tropical charm.
In September, Calamba, Philippines, experiences a peak in humidity, reaching a notable 90%. This marks a continuation of the region's general trend towards higher moisture levels as the year progresses, particularly from the rainy months of June to August, where humidity consistently hovers between 87% and 89%. Following September, humidity levels remain elevated, with November and December also clocking in at 90% and 91%, respectively. This pattern suggests a moist climate that is characteristic of the region's tropical weather, making the early fall a particularly humidity-rich period before a slight decrease in the following months.
In September, Calamba experiences a UV Index of 15, maintaining the extreme exposure category seen throughout the year. This month marks a slight decrease from the high of 17 in April but remains consistent with the elevated levels observed from June to August. With a burn time of just 10 minutes, it’s crucial for residents and visitors alike to prioritize sun protection strategies during these months. This trend highlights the persistent challenge of UV exposure in Calamba, underscoring the importance of vigilance against sunburn and long-term skin damage. For more detailed insights, you can explore the Calamba UV Index.
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As September unfolds in Calamba, Philippines, the weather delights residents and visitors alike with an average of 277 sunshine hours, reflecting a slight dip from the sun-kissed heights of May, which boasts the highest monthly sunshine total at 319 hours. This month serves as a gentle transition from the peak summer months, retaining a generous amount of sunlight compared to the earlier part of the year. Following the vibrant sunshine of May and June, September provides a reassuring blend of warmth and brightness, setting the tone for the cooling days of October. Overall, the sunshine hours showcase a consistent pattern throughout the year, with September's golden light maintaining a charming equilibrium as it paves the way towards the end of the year.
As September rolls into Calamba, Philippines, the chances of sunny weather dip to just 8%, making it one of the cloudier months of the year. This decline follows a pattern seen throughout the rainy season, with each month from June to August showcasing increasingly overcast skies. Interestingly, September's likelihood of sun is the lowest of the year, contrasting sharply with the early months like March when the sun shines brightly 34% of the time. As the year approaches its end, the weather in Calamba becomes more variable, hinting at an impending transition to cooler, dryer days in October and beyond.
In Calamba, Philippines, the month of September embraces a steady pattern of 12 hours of daylight, continuing the trend established since March. This consistent daylight duration marks the peak of the year, reflecting a harmonious balance as the region transitions from the sweltering summer months into the cooler days of the approaching dry season. From January to February, daylight lingers at 11 hours, while a gradual increase unfolds from March to August, culminating in this delightful stability of light in September. As the year progresses, the daylight begins to wane once again in October, with a return to shorter hours. This shift beautifully encapsulates the tropical rhythm of Calamba, where the length of the day enriches the vibrant culture and outdoor lifestyles enjoyed by its residents.
As September rolls into Calamba, the breezes tend to soften, with the average wind speed dropping to 1.8 m/s (4 mph). This gentle, almost whimsical air contrasts sharply with the robust gusts of December, which peak at 3.4 m/s (8 mph). The trend toward lighter winds in the latter half of the year, especially from June's low of 1.4 m/s (3 mph) up to the slightly more invigorating speeds in September and October, suggests a cozy, serene atmosphere that envelops the city. As the months progress, Calamba transitions from the sultry heat of summer, with July registering a notable high of 3.0 m/s (7 mph), into the calm embrace of early fall, revealing a subtle dance of nature's breath that invites residents and visitors alike to enjoy the calm before the seasonal upswing in wind.
Weather in Calamba varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Calamba, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present varying weather patterns that highlight the transition between seasons. In September, the temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F). This month is characterized by high humidity levels of 90% and significant rainfall, totaling 288 mm (11.3 in) over 28 days. In contrast, January experiences slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (88°F), averaging 25°C (78°F). The precipitation is notably lower at 184 mm (7.2 in) and occurs over 20 days, accompanied by a slightly reduced humidity of 85%. For a more detailed comparison of January's conditions, you can check Calamba weather in January.
In comparing the weather between September and February, September tends to be warmer and wetter. The average temperature in September is slightly higher at 26°C (80°F), with maximums reaching up to 32°C (90°F), while February averages around 25°C (78°F) with a maximum of 31°C (88°F). Additionally, September experiences significantly more rainfall, with 288 mm (11.3 in) over 28 days, compared to February's 135 mm (5.3 in) across 17 days. Humidity levels are also higher in September at 90%, while February maintains a more comfortable 80%. For more detailed information, you can visit Calamba weather in February.
In comparing the weather of September and March, both months exhibit warm temperatures, with March showing slightly cooler conditions. September boasts a minimum temperature of 22°C (72°F) and averages 26°C (80°F), while March has a slightly lower minimum of 21°C (69°F) but shares a similar average of 26°C (79°F). Both months can reach a maximum of around 32°C (90°F), but September is much rainier, with 288 mm (11.3 in) of precipitation over 28 days, compared to March's 98 mm (3.8 in) over 15 days. Additionally, September features higher humidity levels at 90%, while March is more comfortable at 77%. For more detailed information, check out Calamba weather in March.
September and April exhibit notable contrasts in weather conditions. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F). This month is characterized by high humidity at 90% and considerable rainfall, totaling 288 mm (11.3 in) over 28 days. In contrast, April experiences slightly warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 35°C (95°F), averaging 27°C (81°F). However, April is significantly drier, with only 71 mm (2.8 in) of precipitation over just 15 days and lower humidity at 78%. For more detailed information on April weather, check Calamba weather in April.
In comparing the weather between September and May, we notice some distinct differences. September experiences slightly cooler temperatures, with averages ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), whereas May tends to be warmer, with minimums around 24°C (75°F) and maximums reaching up to 34°C (94°F). Additionally, September is marked by significantly higher precipitation, accumulating 288 mm (11.3 in) over 28 days, compared to May's 180 mm (7.1 in) over the same number of days. Humidity levels are also elevated in September at 90%, compared to 84% in May, contributing to a more humid feel during the former month. For more detailed insights into weather conditions, you can refer to Calamba weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, but there are some notable differences. September has a slightly wider temperature range, with minimum temperatures around 22°C (72°F) and maximums reaching up to 32°C (90°F), while June sees a minimum of 23°C (74°F) and a maximum of 33°C (91°F). Interestingly, September experiences more precipitation, totaling 288 mm (11.3 in) over 28 days, compared to June's 237 mm (9.3 in) over 27 days. The humidity is also quite high in both months, with September averaging 90% and June at 87%. For a detailed look at June weather, you can check Calamba weather in June.
In comparing the weather between September and July, we can see some notable similarities and differences. September features slightly warmer temperatures, with average highs of 32°C (90°F) compared to July's 33°C (91°F), while both months experience humid conditions averaging around 90% in September and 88% in July. Precipitation is quite substantial in both months, with September receiving 288 mm (11.3 in) over 28 days, just a bit less than July's 297 mm (11.7 in) over 29 days. For more detailed weather information, you can check Calamba weather in July.
In comparison to August, September shows a slight decrease in minimum temperature, with September averaging 22°C (72°F) compared to August's 23°C (73°F). Both months share a maximum temperature of 32°C (90°F), while average temperatures remain fairly consistent at 26°C (80°F) for September and 27°C (80°F) for August. However, September experiences more rainfall, totaling 288 mm (11.3 in) over 28 days, compared to August's 264 mm (10.4 in) during the same number of days. Humidity levels are similarly high in both months, with September at 90% and August at 89%. For more details, you can check out Calamba weather in August.
In September, the weather features a warm temperature range with minimums around 22°C (72°F) and maxima reaching up to 32°C (90°F), while the average temperature remains stable at 26°C (80°F). The month is quite rainy, experiencing a total precipitation of 288 mm (11.3 in) over 28 days, contributing to a high humidity level of 90%. In comparison, October shows similar temperature patterns, with minimums at 22°C (73°F) and maxima at 32°C (89°F), maintaining an average of 26°C (80°F). However, precipitation slightly decreases to 271 mm (10.7 in) over 29 days, resulting in a reduction in humidity to 87%. For more detailed insights into the weather conditions for October, check out Calamba weather in October.
In September, the weather is characterized by slightly higher maximum temperatures, reaching up to 32°C (90°F), while November sees a slightly cooler maximum of 31°C (89°F). Both months have similar average temperatures at 26°C (80°F) and maintain high humidity levels of 90%. However, September experiences significantly more rainfall, with 288 mm (11.3 in) over 28 days compared to November's 218 mm (8.6 in) across 27 days. This suggests that while both months are warm and humid, November tends to be a bit drier, making it a more comfortable choice for outdoor activities. For more detailed insights, you can check Calamba weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 22°C (72°F), an average of 26°C (80°F), and a maximum of 32°C (90°F). The month also sees significant rainfall, with 288 mm (11.3 in) of precipitation spread over 28 days and a high humidity level of 90%. In contrast, December exhibits slightly cooler conditions, with temperatures ranging from a minimum of 22°C (72°F), an average of 26°C (79°F), to a maximum of 31°C (88°F). Precipitation is lower in December, totaling 267 mm (10.5 in) over 25 days, accompanied by a humidity level of 91%. For a detailed look at December weather patterns, visit Calamba weather in December.
In September, Calamba experiences a unique blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around a comfortable 26°C (80°F), the city feels inviting despite the consistent high humidity levels and nearly daily rainfall. The 288 mm (11.3 in) of precipitation over 28 days often results in a lush, vibrant landscape, showcasing the Philippines' natural beauty. This month marks a transition, as the rainy season continues its grip, creating a contrast to the typically drier times of the year. For more insightful details about Calamba's climate, visit Calamba Climate.