Last updated: August 27, 2025
In September, Sapa, Philippines experiences a delightful blend of warm temperatures and significant rainfall, making it a unique time to explore this enchanting destination. With maximum temperatures reaching 29°C (85°F) and an average of 28°C (82°F), visitors can enjoy the tropical warmth, while the minimum temperature hovers around 25°C (78°F), contributing to a cozy atmosphere. However, expect substantial rainfall, as the region sees approximately 157 mm (6.2 in) of precipitation over 21 days, creating lush landscapes and vibrant surroundings. The humidity levels, around 79%, add to the tropical ambiance, making September an intriguing month for immersing oneself in the natural beauty of Sapa.
In Sapa, Philippines, September heralds a slight shift towards warmer weather, with temperatures consistently maintaining a pleasant range. The minimum remains steady at 25°C (78°F), while the average temperature rises to 28°C (82°F), peaking at a maximum of 29°C (85°F). This trend of mild warmth is reminiscent of the summer months, reflecting a stable climate that characterizes Sapa throughout the year. As the rainy season continues, September offers a comfortable escape, making it an ideal time for travelers to explore the vibrant landscapes and rich culture of this beautiful region.
September marks a notable transition in Sapa, Philippines, as the region experiences 157 mm (6.2 in) of precipitation over approximately 21 days. This uptick in rainfall follows a wet August and sets the stage for the even wetter months ahead. Not only does September maintain a significant amount of rainfall, but it also showcases a discernible trend of increasing precipitation as the year progresses, peaking in December with 179 mm (7.1 in). With the days of rain nearly as plentiful as in the earlier summer months, September's climate hints at the onset of the more intense rainy season, providing lush greenery and vibrant landscapes to the region. This pattern reinforces Sapa's reputation as a lush, tropical haven, where each month offers its own unique charm, influenced heavily by the rhythm of rainfall.
In September, Sapa experiences a humidity level of 79%, marking a slight increase from the summer months. As the rainy season transitions into a more temperate phase, the humidity reflects a balance between the drier spell of May through July, where levels dipped to as low as 75%, and the upcoming autumn months. This moderate humidity, coupled with cooler temperatures, creates a refreshing atmosphere that's perfect for exploring Sapa's stunning landscapes. Notably, the humidity during this time is lower than the peak levels observed in the early months of the year, where January and February both lingered at 82%, indicating a gradual easing as the year progresses.
In September, the UV Index in Sapa, Philippines remains consistently high at 15, categorizing it as extreme. This trend reflects a significant pattern throughout the year, where the UV Index frequently hovers in the 15-17 range from January to August, illustrating the persistent intensity of sunlight in the region. With a burn time of just 10 minutes, this intensity demands careful sun protection for residents and visitors alike. As the year progresses into October, the UV Index slightly dips to 14, yet the extreme exposure category remains, underscoring the necessity for vigilance against sun damage. To learn more about UV levels throughout the year, visit Sapa UV Index.
UV Risk Categories
September in Sapa, Philippines, brings a delightful 291 hours of sunshine, slightly lower than the sun-soaked months of May and June but still offering ample opportunities for outdoor adventures. As summer gently wanes, the weather remains pleasantly warm, providing a perfect backdrop for exploring the region's stunning landscapes. This month continues the trend of consistent sunshine carried through the summer, yielding about 3 hours less than the sunniest peak in May. As the days grow cooler and the vibrant greens of the highlands begin to shift, September shines as a picturesque time to savor the fading warmth before the crisp embrace of autumn sets in.
As September rolls into Sapa, Philippines, the likelihood of sunny weather dips to a modest 14%, marking one of the lowest chances of sunshine for the year. This trend reflects a subtle shift from the summer months, where the percentages hovered between 24% and 25% from July to August. Following the vibrant weather of the earlier summer, September signals a transition, likely pulling in more clouds and rain. Subsequently, chances for sun continue to fluctuate slightly throughout the fall, landing at 19% in both October and May, but September stands out as the month where the sun is least likely to make an appearance. This pattern suggests that if you're hoping for a sun-kissed vacation in Sapa, you might want to plan for an earlier visit in the year.
In September, Sapa, Philippines experiences a delightful continuation of 12 hours of daylight, aligning with the consistent trend observed since March. As the year progresses, daylight duration reaches its peak in the middle months, specifically from March to September, providing ample opportunity for exploration and outdoor adventures. Following September, daylight begins its gradual decline, shifting back to 11 hours in October, echoing the patterns of January and February. This rhythm of light not only shapes daily life but also enhances Sapa’s enchanting landscapes, making it an ideal time for visitors to immerse themselves in the region's natural beauty.
As September rolls into Sapa, the wind whispers a gentle lull, averaging a calm 3.0 m/s (7 mph). This slight drop from August's 3.5 m/s creates a serene atmosphere, perfect for exploring the region's lush landscapes. Interestingly, the wind speeds from the previous months showcase a pattern: after a notable increase in July, the winds tend to ease into their quieter autumn rhythm. While September might be one of the calmer months, it serves as a beautiful transition to the more vibrant autumn winds of October and December, which pick up again to 3.5 m/s and 4.1 m/s respectively. Embracing the tranquil gusts of September allows visitors to fully absorb the breathtaking views and rich cultural tapestry of the Philippines’ northern highlands.
Weather in Sapa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sapa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, we find that both months maintain a warm climate with similar minimum temperatures around 25°C (78°F). However, September averages slightly warmer with an average temperature of 28°C (82°F) compared to January's 27°C (81°F). September also experiences more rainfall, with 157 mm (6.2 in) over 21 days, while January sees less precipitation at 130 mm (5.1 in) across 18 days. Humidity levels are quite close, with September at 79% and January slightly higher at 82%. For more detailed insights, you can check the link: Sapa weather in January.
September and February present distinct weather patterns, though both months are characterized by warm temperatures. In September, the average temperature hovers around 28°C (82°F), with highs reaching 29°C (85°F) and relatively high humidity at 79%. However, this month is marked by significant rainfall, averaging 157 mm (6.2 in) over 21 days. In contrast, February is slightly cooler, with an average temperature of 27°C (80°F) and maximums around 28°C (83°F). It experiences less rain, accumulating 78 mm (3.1 in) across 13 days, and maintains a similar humidity level at 82%. For more detailed insights into the weather during this month, you can visit Sapa weather in February.
In comparing the weather conditions of September and March, we observe that both months have similar temperature ranges, with September averaging 28°C (82°F) and March slightly cooler at 27°C (81°F). However, September is marked by significantly higher precipitation, with 157 mm (6.2 in) over 21 days, compared to just 69 mm (2.7 in) over 14 days in March. Humidity levels remain fairly close, with September at 79% and March at 81%. Overall, while both months are warm, March tends to be drier and slightly cooler than September. For more details on March weather, you can check Sapa weather in March.
In September, the weather is characterized by slightly higher humidity and more significant rainfall compared to April. The monthly average temperature remains consistent between the two months, both hovering around 28°C (82°F), but September experiences a greater range of precipitation, with 157 mm (6.2 in) falling over 21 days. In contrast, April has a drier climate with only 77 mm (3.0 in) of rainfall over 17 days and a slightly lower humidity level at 77%. For more detailed information on the weather during this time, you can visit Sapa weather in April.
In September, the weather features warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at a maximum of 29°C (85°F). This month also sees significant rainfall, totaling 157 mm (6.2 in) across 21 days, coupled with a high humidity level of 79%. In contrast, May boasts similar minimum and average temperatures, but features a slightly higher maximum of 30°C (86°F). Precipitation in May is lower at 128 mm (5.0 in) over 20 days and a more comfortable humidity level of 75%. For a more detailed comparison of May's weather, you can refer to Sapa weather in May.
When comparing the weather in September and June, both months share similar temperature ranges, with minimums around 25°C (78°F), averages of 28°C (82°F), and maximums reaching 29°C (85°F). However, September tends to be slightly wetter, with 157 mm (6.2 in) of precipitation over 21 days, compared to June's 175 mm (6.9 in) over 23 days. In terms of humidity, September is a bit more humid at 79%, while June's humidity stands at 75%. For more detailed information on weather conditions during this time, you can visit Sapa weather in June.
In September, the weather is characterized by slightly warmer temperatures, with an average of 28°C (82°F), compared to July’s average of 27°C (82°F). Both months have a minimum temperature of 25°C (78°F) and a maximum of 29°C (84°F for July and 85°F for September). However, September experiences more precipitation, totaling 157 mm (6.2 in) over 21 days, while July sees 176 mm (6.9 in) over 23 days. Humidity levels are slightly higher in September at 79%, compared to 75% in July. For further details, you can check the Sapa weather in July.
September weather shows a slight increase in precipitation compared to August, with 157 mm (6.2 in) over 21 days, while August saw 139 mm (5.5 in) over 22 days. Both months experience similar temperature ranges, with minimums at 25°C (78°F), average temperatures at 28°C (82°F), and maximums peaking at 29°C (85°F). However, September is slightly more humid, with an average humidity level of 79% compared to 77% in August. For more detailed insights into August weather, visit Sapa weather in August.
In comparing the weather of September and October, we see that while both months maintain a similar temperature range with minimums of 25°C (78°F), average temperatures of 28°C (82°F), and maximums of 29°C (85°F), October tends to be slightly wetter. The precipitation increases from 157 mm (6.2 in) in September to 171 mm (6.7 in) in October, along with a rise in rainy days from 21 to 25. Despite this increase in rainfall, October has a marginally lower humidity level at 76%, compared to September's 79%. For more details on the weather in October, you can refer to Sapa weather in October.
In September, the weather is notably warm with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), accompanied by a high humidity level of 79%. This month also experiences considerable rainfall, with 157 mm (6.2 in) of precipitation spread across 21 days. In contrast, November sees slightly milder temperatures, with a minimum of 26°C (78°F) and averaging 27°C (82°F) while maximum temperatures remain similar at 29°C (84°F). The total precipitation in November is slightly lower at 155 mm (6.1 in) but occurs over more days, totaling 24. Additionally, humidity levels drop to 75%, making November feel a bit less humid than September. For those interested in specific weather conditions, more details can be found at Sapa weather in November.
In September, the weather tends to be quite warm with minimum temperatures around 25°C (78°F) and an average of 28°C (82°F), peaking at 29°C (85°F). However, it also experiences significant rainfall, with 157 mm (6.2 in) over 21 days and a humidity level of 79%. In contrast, December sees slightly cooler average temperatures, dropping to 27°C (81°F) while still maintaining a high minimum of 25°C (78°F) and a maximum of 29°C (84°F). Rainfall increases somewhat, with precipitation measuring 179 mm (7.1 in) over 26 days, and humidity levels remain close at 78%. For more details about the December weather in Sapa, check out this link: Sapa weather in December.
As September unfolds in Sapa, the region experiences a notable shift in weather compared to other months. The temperatures remain comfortably warm, with highs reaching up to 29°C (85°F), creating a pleasant atmosphere for outdoor activities. However, this month is characterized by increased precipitation, as the region receives significant rainfall, averaging 157 mm over 21 days. This higher humidity level, around 79%, lends an unmistakable freshness to the air, making the lush landscapes even more vibrant. For a detailed overview of what to expect throughout the year, explore the full Sapa Climate.