Last updated: August 21, 2025
September in Semporna, Malaysia, showcases a warm and humid climate, with maximum temperatures reaching 34°C (93°F) and an average of 27°C (82°F). The month experiences high humidity levels at 84%, contributing to a steamy atmosphere. Rainfall is a significant feature, with 228 mm (9.0 in) of precipitation spread over 26 days, making it one of the wetter times of the year. Despite the frequent showers, the vibrant landscapes and marine biodiversity remain a captivating draw for visitors.
September in Semporna, Malaysia brings a beautiful blend of warm and inviting temperatures, continuing the tropical pattern established throughout the year. The month starts with a minimum temperature of 23°C (75°F), providing a comfortable base for travelers and locals alike. The average temperature remains steady at 27°C (82°F), ensuring that warm weather enthusiasts will enjoy pleasant days. However, what truly stands out is the maximum temperature, which peaks at 34°C (93°F), marking one of the hottest points in the year. This slight increase from August's maximum reflects the region's typical seasonal warmth, encouraging outdoor adventures and splashes in the crystal-clear waters. Whether you’re exploring coral reefs or savoring local cuisine, September’s temperatures create an inviting atmosphere for all who visit.
As Semporna, Malaysia transitions into September, the landscape is painted with a vibrant blend of life and moisture, characteristic of this tropical region. With precipitation hitting 228 mm (9.0 in) over 26 days, this month's rainfall mirrors January's totals, suggesting a consistent wet spell that enhances the area's lush greenery. Notably, while September's rainfall remains on par with the early part of the year, it falls slightly short of the peak summer months like June, which recorded an impressive 264 mm (10.4 in). The pattern of frequent rain continues, maintaining the humidity level that defines Semporna’s tropical climate, ensuring that this natural paradise thrives throughout the year.
September in Semporna, Malaysia, showcases a slight uptick in humidity, averaging 84%, which is consistent with the general trend of fluctuating moisture levels throughout the year. Beginning at a robust 87% in January and February, the humidity gradually decreases to a low of 79% in May, before rebounding slightly into the rainy season. The summer months maintain a comfortable range, hovering between 80% and 82%, ultimately leading to September’s humidity, which is indicative of a transitional period as the region approaches the wetter months. This pattern highlights a cyclical rhythm of humidity that remains high year-round, making Semporna a lush and vibrant destination.
As the sun blazes in September, Semporna, Malaysia, experiences a notable UV Index of 15, categorized as extreme, which requires caution regarding sun exposure. This month sees a slight uptick from the 14 recorded in August, continuing a trend of high UV levels throughout the year, peaking in March at 17. Regardless of the month, burn time consistently remains at just 10 minutes, underlining the critical need for sun protection. Whether you’re basking on the beautiful beaches or exploring vibrant coral reefs, staying vigilant against the sun's strength is essential. For comprehensive details and safety tips, visit Semporna UV Index.
UV Risk Categories
As September unfolds in Semporna, Malaysia, residents and visitors can expect 290 hours of glorious sunshine, marking a slight dip from the vibrant summer months of July and August, which basked in over 300 hours of bright skies. This transition reflects a gentle shift towards the end of the sunny season, where September still offers ample opportunity for outdoor adventures and underwater explorations in the region’s stunning marine environments. Notably, the month maintains a strong average when compared to the earlier spring months, emphasizing Semporna's reputation for favorable weather throughout the year. With invigorating sunshine warming the picturesque landscapes, September remains a delightful choice for sun-seekers eager to experience the natural beauty and rich culture of this coastal paradise.
In Semporna, Malaysia, the chances of sunny weather in September dip to a modest 12%, mirroring the trend seen in January. Over the course of the year, the region experiences fluctuating sun probability, with the peak months of February and June boasting over 25% chance, while the gloomy months of December and January reflect the lowest sunlight, around 7% to 12%. This consistent ebb and flow highlights September as part of a relatively sunnier season that precedes wetter months, yet the odds for clear skies remain low, making it a time to prepare for the occasional cloud cover.
In September, Semporna, Malaysia enjoys 12 hours of daylight, maintaining the consistent trend established over the past few months. This month marks the continuation of a pleasant mid-year pattern, where daylight hours peak at a stable 12 hours from March through October. As the region transitions from the long days of summer into the shorter days of autumn, Semporna's sunrise and sunset timings offer a harmonious balance of light, making it an ideal time for exploring the vibrant marine life and breathtaking landscapes. As daylight begins to wane in November, the shift in hours reminds us of the natural rhythm of the seasons in this tropical paradise.
September in Semporna, Malaysia, brings a gentle breeze with an average wind speed of 1.9 m/s (4 mph), marking a slight dip compared to the bustling gusts of earlier months like July, which peaks at 2.7 m/s (6 mph). As the monsoon season approaches, the winds begin to mellow, reflecting a transitional phase from the vibrant summer days. This pattern, characterized by a gradual decrease in wind speed from May through September, hints at a serene environment perfect for exploring Semporna's stunning underwater landscapes. Despite the softening breezes, the winds remain consistent and inviting, providing a refreshing escape for visitors.
Weather in Semporna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Semporna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features warm temperatures ranging from a minimum of 23°C (75°F) to a maximum of 34°C (93°F), with an average of 27°C (82°F). This month experiences significant rainfall, totaling 228 mm (9.0 in) over 26 days, and humidity levels are quite high at 84%. In contrast, January presents a slightly cooler climate, with temperatures that range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), maintaining an average of 27°C (80°F). The precipitation remains the same at 228 mm (9.0 in), but it occurs over fewer days—23 in total—resulting in a slightly higher humidity level of 87%. For more detailed insights on January weather, check this link: Semporna weather in January.
In September, the weather exhibits slightly warmer highs, with temperatures peaking at 34°C (93°F) compared to February’s maximum of 33°C (92°F). Both months share similar minimum temperatures and averages around 27°C (81°F). However, September sees significantly more rainfall, totaling 228 mm (9.0 in) across 26 rainy days, while February is drier with only 132 mm (5.2 in) over 19 days. Additionally, February's humidity is just a bit higher at 87% compared to September's 84%, contributing to a slightly more muggy atmosphere. For more insights, you can check Semporna weather in February.
In comparing the weather between September and March, we see some similarities and notable differences. Both months exhibit a minimum temperature of around 23°C (75°F) and an average temperature of approximately 27°C (82°F), with maximum temperatures reaching 34°C (93°F) in September and 34°C (94°F) in March. However, September experiences higher precipitation levels at 228 mm (9.0 in) over 26 days, contrasted with March's 160 mm (6.3 in) over 23 days. The humidity is slightly higher in March at 86%, compared to September's 84%. For more detailed weather information, check out Semporna weather in March.
In comparing the weather of September and April, both months feature warm temperatures, but September tends to be slightly warmer on average. September records minimum temperatures around 23°C (75°F) and maximums reaching up to 34°C (93°F), while April has a similar range, with minimums at 24°C (75°F) and maximums at 33°C (92°F). Humidity is fairly high in both months, with September at 84% and April at 80%. Precipitation levels are notably higher in September, with 228 mm (9.0 in) compared to April's 191 mm (7.5 in), although both months experience rain on approximately 26 days. For more detailed information about weather conditions in April, visit Semporna weather in April.
In comparing the weather of September and May, both months exhibit warm temperatures with minimal variation. September enjoys a slight temperature range, with a minimum of 23°C (75°F), an average of 27°C (82°F), and a maximum of 34°C (93°F). In contrast, May presents slightly higher figures with a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum of 33°C (92°F). However, when it comes to precipitation, May sees a bit more rainfall at 243 mm (9.6 in) over 29 days, compared to September's 228 mm (9.0 in) over 26 days. Humidity levels are relatively high in both months, with September at 84% and May slightly lower at 79%. For more detailed weather insights, you can refer to Semporna weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 27°C (82°F), but September tends to experience slightly more extreme highs, reaching up to 34°C (93°F) compared to June’s maximum of 32°C (91°F). However, June sees more total precipitation, with 264 mm (10.4 in) over a longer duration of 29 days, while September has 228 mm (9.0 in) spread across 26 days. Humidity levels are relatively high in both months, with September at 84% and June slightly lower at 80%. For more detailed insights into June weather, you can visit Semporna weather in June.
In comparing the weather between September and July, both months experience warm temperatures, with September having slightly cooler minimum and maximum temperatures, ranging from 23°C to 34°C, compared to July's range of 24°C to 32°C. The average temperature in September is similar to that of July, hovering around 27°C (81°F). Precipitation is quite prominent in both months, but September sees a marginal decrease in total rainfall at 228 mm over 26 days, compared to July's 234 mm over 27 days. Humidity levels are a bit higher in September at 84%, while July is slightly lower at 81%. For a closer look at July's weather specifics, you can find more information here: Semporna weather in July.
In comparing the weather of September and August, we see that September exhibits slightly warmer temperatures, with a minimum of 23°C (75°F) and a maximum of 34°C (93°F), compared to August’s minimum of 24°C (75°F) and a maximum of 32°C (90°F). Both months have an average temperature of 27°C (82°F). Precipitation in September is also a bit higher, with 228 mm (9.0 in) over 26 days, whereas August received 211 mm (8.3 in) across 27 days. Humidity levels are comparable, with September at 84% and August at 82%. For a more detailed look at August conditions, you can check out Semporna weather in August.
September and October exhibit similar average temperatures, with September showcasing a slightly broader range from a minimum of 23°C (75°F) to a maximum of 34°C (93°F), while October has a minimum of 24°C (75°F) and a maximum of 33°C (91°F). However, October sees a higher overall precipitation level, accumulating 259 mm (10.2 in) over 29 days compared to September's 228 mm (9.0 in) over 26 days. Humidity remains quite high in both months, but October has a slightly lower average humidity of 81% compared to 84% in September. For more specific insights into the weather conditions, you can check out Semporna weather in October.
In September, the weather tends to be hot and humid, with temperatures ranging from a minimum of 23°C (75°F) to a maximum of 34°C (93°F). The month is characterized by significant precipitation, receiving 228 mm (9.0 in) over 26 days, resulting in an average humidity of 84%. In contrast, November shows only a slight increase in minimum temperature at 24°C (76°F), with a maximum of 32°C (91°F) and an average of 27°C (81°F). However, it experiences even more rainfall, with a total of 256 mm (10.1 in) spread over 29 days, maintaining slightly lower humidity at 81%. For more insights, check out Semporna weather in November.
In September, temperatures range from a minimum of 23°C (75°F) to a maximum of 34°C (93°F), with an average temperature of 27°C (82°F). The month sees significant rainfall, totaling 228 mm (9.0 in) over 26 days, and maintains a high humidity level of 84%. In contrast, December experiences a slightly warmer minimum temperature of 24°C (75°F) and a maximum of 32°C (90°F), with an average temperature similar to September's at 27°C (81°F). However, December brings increased precipitation at 262 mm (10.3 in), spread over 30 days, while humidity remains constant at 84%. For more details about the weather in December, you can visit Semporna weather in December.
As September arrives in Semporna, the weather experiences a distinctive shift characterized by high humidity and increased precipitation. With temperatures averaging around 27°C (82°F), this month tends to be warmer yet often feels sweltering due to the 84% humidity. The frequent rain, spanning 26 days and accumulating about 228 mm (9.0 in), sets September apart from the drier months that precede it. This combination creates a lush, vibrant landscape, perfect for exploring Semporna's stunning marine ecosystem. For a deeper dive into what to expect throughout the year, check out Semporna Climate.