Last updated: August 27, 2025
In September, San Fernando, Philippines typically experiences a tropical climate characterized by warm temperatures and substantial rainfall. With a maximum temperature peaking at 34°C (94°F) and an average around 28°C (83°F), the month presents an inviting yet humid atmosphere, with minimum temps settling around 24°C (76°F). Rainfall is significant, totaling 307 mm (12.1 in) over 27 days, contributing to an overall humidity level of 89%. This combination of heat and moisture creates a vibrant, lush environment, perfect for those who appreciate the rich tropical scenery and dynamic weather patterns of the region.
In September, San Fernando, Philippines, experiences warm and consistent weather, characterized by a minimum temperature of 24°C (76°F) and a maximum of 34°C (94°F). The average temperature hovers around 28°C (83°F), mirroring trends seen in the preceding months of August and July. This stability indicates a transition into the latter part of the wet season, where temperatures remain comfortably warm, providing an inviting atmosphere for both locals and visitors. As September edges toward October, you'll find that the heat persists, yet the refreshing breezes offer solace, making it an enjoyable time for outdoor activities and exploration under the tropical sun.
September marks a significant transition in precipitation patterns for San Fernando, Philippines, with rainfall reaching 307 mm (12.1 in) over 27 days. This month continues the trend established in the preceding months, showcasing the region's susceptibility to the heavy downpours typical of the rainy season. September's levels are particularly noteworthy, demonstrating a peak right after August's substantial 268 mm (10.6 in) and before a slight drop in October. The frequency of rainy days remains high, characteristic of this period, reflecting the persistent moisture in the atmosphere. This increase in precipitation not only underscores the overall trend of escalating rainfall throughout the wet months but also highlights the impact of seasonal weather patterns on the local environment and community dynamics.
In September, the humidity in San Fernando, Philippines reaches a peak of 89%, mirroring the levels seen in the preceding months of August and July. This pattern illustrates a distinct trend of increasing humidity as the year progresses, especially during the rainy season, when the air becomes increasingly saturated. Notably, while the humidity rises sharply from June through September, it starts to dip slightly in October, suggesting a transition towards drier conditions as the year draws to a close. Overall, September stands out as a month where the tropical climate embraces its full intensity, providing a rich, humid atmosphere characteristic of the region.
In September, the UV Index in San Fernando, Philippines maintains a high level of 14, categorizing the exposure as extreme, with a steady burn time of just 10 minutes. This trend of intense UV exposure stretches back through the summer months, as the area has consistently faced UV Index values ranging from 13 to 15 from February to August. Such elevated levels underscore the importance of sun protection during this time of year, as residents and visitors alike should remain vigilant against harmful UV rays. As the season transitions to October, a slight dip to 13 indicates that while there may be a minor reprieve, caution remains essential. For more detailed information, visit San Fernando UV Index.
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September brings a gentle transition in San Fernando, Philippines, with 252 hours of sunshine, a slight dip from the vibrant summer months of April and May, both boasting 310 hours. As the wet season begins to yield its grip, sunlight remains plentiful, providing just enough warmth to enjoy outdoor activities. Interestingly, September's sunny hours surpass those of the months preceding it, hinting at a satisfying balance between rain and shine. This month often serves as a prelude to the cooler October, where the days brighten again with 262 hours of sunshine. The ebb and flow of daylight hours not only reflect the changing seasons but also invite locals and tourists alike to relish in the beauty of late summer in this striking coastal city.
In September, the likelihood of enjoying sunny weather in San Fernando, Philippines drops to 22%, a noticeable decline as the region transitions from the dry months into the wetter season. This trend reflects the broader pattern seen throughout the year, where peak sunlit days are found from February to May, with chances soaring to 57% in May. As the monsoon approaches, the probability of clear skies dwindles sharply in the mid-year months of June and July, plunging to as low as 10%. While September does show a slight improvement in sun chances compared to the preceding months, it remains significantly low, indicating that those seeking sunny days may need to wait until the drier months return in October and beyond.
In September, San Fernando enjoys a generous 12 hours of daylight, mirroring the extended daylight that characterizes the preceding months of March through August. This consistent duration hints at a tropical climate where daylight remains relatively stable throughout much of the year. As the sun sets on this month, the days begin to gradually shorten, leading into October, when daylight dips back to 11 hours. Overall, the September skies reflect a perfect balance, making it a splendid time for outdoor activities and enjoying the vibrant scenery.
As September unfolds in San Fernando, Philippines, the breeze feels notably gentle, with average wind speeds dipping to 1.7 m/s (4 mph)—the calmest of the year. This trend of reduced wind speeds marks a gradual decline from the more invigorating gusts experienced mid-year, where July still boasts a lively pace at 2.6 m/s (6 mph). Following a pattern of moderation, September's soft winds signal the onset of the transition into the dry season, inviting locals and visitors alike to relish the serene atmosphere. As the year progresses, wind speeds again pick up slightly in October and November, illustrating the dynamic nature of San Fernando's climate, where each month brings its own unique rhythm.
Weather in San Fernando varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Fernando, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notable contrasts in weather, reflecting the transition from a wet season to a drier period. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), with an average of 28°C (83°F). This month is characterized by heavy rainfall, with precipitation totaling 307 mm (12.1 in) over 27 days and humidity levels soaring to 89%. In contrast, January offers milder conditions, with temperatures ranging from 20°C (68°F) to 33°C (91°F), averaging 26°C (79°F). The month experiences significantly less rainfall, with only 61 mm (2.4 in) over just 5 days, and lower humidity at 76%. For more detailed information, check out San Fernando weather in January.
September and February present distinctly different weather patterns. September boasts higher average temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), alongside significant humidity at 89%. The month is marked by substantial rainfall, totaling 307 mm (12.1 in) over 27 days, making it one of the wetter months of the year. In contrast, February experiences milder temperatures, ranging from a minimum of 19°C (67°F) to a maximum of 33°C (92°F), and features much lower precipitation at just 26 mm (1.0 in) over only 3 days. The humidity also drops to 71%, creating a more comfortable atmosphere. For a closer look at the February weather specifics, visit San Fernando weather in February.
In September, the weather is characterized by higher humidity levels at 89% and significant rainfall, with an average precipitation of 307 mm over 27 days. Temperatures range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), creating a warm, muggy environment. In contrast, March boasts a slightly lower minimum temperature of 20°C (69°F) and can reach a high of 35°C (96°F), but with remarkably less rainfall at just 17 mm over 3 days and a more comfortable humidity level of 68%. Thus, while both months share a similar average temperature of 28°C (83°F), March offers a drier and less humid climate. For more specific details, you can check San Fernando weather in March.
When comparing the weather of September and April, notable differences emerge. September experiences a slightly higher average temperature of 28°C (83°F) but is characterized by higher humidity at 89% and significant rainfall totaling 307 mm (12.1 in) over 27 days. In contrast, April boasts a hotter maximum temperature, reaching up to 37°C (99°F), but enjoys much less precipitation, with only 17 mm (0.7 in) over just 3 days and lower humidity at 69%. For more detailed insights about April weather, you can check San Fernando weather in April.
In comparing the weather between September and May, it is clear that both months exhibit warm temperatures, but with some notable differences. September has a minimum temperature of 24°C (76°F) and an average of 28°C (83°F), with maximums reaching 34°C (94°F). This month is characterized by a high level of humidity at 89% and significant precipitation, totaling 307 mm (12.1 in) over 27 days. In contrast, May features slightly higher temperatures, with a minimum of 25°C (77°F), an average of 30°C (86°F), and maximum temperatures soaring to 37°C (99°F). Precipitation in May is considerably lower at 120 mm (4.7 in) over 16 days, and the humidity is more comfortable at 76%. For more detailed information, you can refer to San Fernando weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures, but there are notable differences. September has an average temperature of 28°C (83°F) with a maximum of 34°C (94°F), while June is slightly warmer on average at 29°C (85°F) and can reach up to 37°C (99°F). Precipitation is more frequent in September, with 307 mm (12.1 in) of rain over 27 days, compared to June's 208 mm (8.2 in) over 25 days. Both months maintain high humidity levels, with September at 89% and June slightly lower at 87%. For more specific details regarding June weather, you can visit San Fernando weather in June.
When comparing the weather in September to July, both months exhibit similar temperature ranges, with minimums around 24°C (75-76°F), average temperatures of 28°C (83°F), and maximums peaking at 34°C (94°F). However, September tends to experience slightly less precipitation, measuring 307 mm (12.1 in) over 27 rainy days, compared to July's 354 mm (13.9 in) over 29 days. The humidity levels are also quite comparable, with September at 89% and July slightly lower at 88%. For a more detailed look at July's conditions, you can check San Fernando weather in July.
In comparing the weather of September to that of August, we find that both months experience similar temperature ranges, with minimums of 24°C (76°F), averages of 28°C (83°F), and maximums reaching 34°C (94°F). However, September sees increased rainfall, totaling 307 mm (12.1 in) over 27 days, compared to August's 268 mm (10.6 in) over 29 days. Interestingly, despite the higher precipitation in September, the humidity remains consistent at 89% for both months. For more details on August's weather, you can visit San Fernando weather in August.
September and October exhibit similar temperature ranges, with September experiencing a minimum of 24°C (76°F) and an average of 28°C (83°F), while October sees a slight drop in minimum temperature to 23°C (73°F) but maintains the same average of 28°C (82°F). Both months reach a maximum of 34°C (93°F to 94°F respectively), indicating a consistent heat level. However, October is notably drier, with 217 mm (8.5 in) of precipitation over 19 days, compared to September's heavier rainfall of 307 mm (12.1 in) across 27 days. Humidity levels also see a slight decrease from 89% in September to 86% in October. For more detailed weather information, you can visit San Fernando weather in October.
In comparing September and November weather, September features warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a maximum of 34°C (94°F). Additionally, it experiences significantly higher precipitation of 307 mm (12.1 in) over 27 days. In contrast, November sees slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 28°C (82°F), and a maximum of 33°C (92°F). Rainfall drops considerably to 117 mm (4.6 in) over just 13 days, while humidity remains constant at 89%. For more details, check out San Fernando weather in November.
In comparing the weather of September and December, September is characterized by higher temperatures and significantly more rainfall. With average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), September experiences heavier precipitation of 307 mm (12.1 in) spread over 27 days, resulting in a high humidity level of 89%. In contrast, December sees milder temperatures, with a minimum of 22°C (71°F) and a maximum of 33°C (91°F), and it enjoys much lower precipitation at 116 mm (4.6 in) over just 10 days, along with slightly lower humidity at 86%. For more detailed information about December's weather, you can visit San Fernando weather in December.
September in San Fernando brings a notable shift in weather patterns compared to other months. With high humidity levels reaching 89%, this month feels particularly muggy, accentuating the warmth of its average temperature. Frequent rain transforms the landscape, resulting in about 27 days of precipitation, which significantly contrasts with the drier spell of the preceding months. The lush green surroundings become a hallmark of September, creating a vibrant atmosphere, though the maximum temperatures can still soar up to 34°C. This combination of heat and moisture marks September as a transitional month in San Fernando’s climate, setting the stage for the upcoming shifts in weather. For those interested in detailed insights, check the San Fernando Climate.