Last updated: August 31, 2025
Lalomanu, Samoa, in September, experiences mild temperatures with average highs reaching 27°C (81°F) and lows around 24°C (75°F). The region's weather is characterized by significant humidity levels, averaging 84%, which contributes to a lush, tropical atmosphere. Rainfall is prominent, with a total precipitation of 191 mm (7.5 in) spread across approximately 25 days, making it essential for visitors to prepare for occasional showers. Overall, September offers a warm yet wet experience, perfect for those looking to enjoy the vibrant natural beauty of this Pacific paradise.
In September, Lalomanu, Samoa experiences warm and inviting temperatures, with minimums around 24°C (75°F) and maximums peaking at 27°C (81°F). The average temperature settles at a comfortable 26°C (79°F), reflecting a slight dip compared to the peak summer months. This month marks a transition towards more moderate conditions, as the humid warmth of the preceding winter gives way to gentle breezes. While September may not be the hottest month, its consistent temperatures offer a perfect backdrop for enjoying the island's stunning beaches and lush scenery, making it an ideal time for relaxation and exploration.
In September, Lalomanu, Samoa experiences a moderate amount of rainfall, with 191 mm (7.5 in) falling over 25 days. This marks a slight increase from the drier month of August, which recorded only 184 mm. As the region transitions further into the wet season, September's precipitation is relatively lower than the rainier months ahead, such as October's 338 mm. This period of shifting weather indicates the buildup of moisture in the atmosphere, reflecting a typical tropical pattern of increasing rainfall leading into the peak of the wet season. While September may not be the wettest month, the consistent showers provide a lush environment, setting the stage for the vibrant green landscapes that will flourish in the following months.
In September, Lalomanu, Samoa, experiences a noticeable rise in humidity, reaching 84%. This trend marks the continuation of a gradual increase from the earlier months, as humidity steadily climbs from 80% in May to its peak in September. The month reflects a transition into the wetter season, with humidity levels escalating further into October at 85%. This consistent rise is a part of a broader pattern observed throughout the year, where the humidity is at its lowest in the early months and gradually intensifies, peaking just before the onset of the rainy season, thus illustrating Lalomanu’s tropical climate.
In September, Lalomanu, Samoa continues to experience extreme UV conditions, with a UV Index of 14 and a burn time of just 10 minutes. This month falls in line with the preceding summer months, where high UV levels were the norm, peaking at 16 in January and February. A slight dip is noted compared to the 16 observed earlier in the year, but September still demands attentive sun protection. Visitors and residents should remain vigilant about sun exposure as the sun's intensity remains formidable throughout the month. For detailed insights and updates, check the Lalomanu UV Index.
UV Risk Categories
September in Lalomanu, Samoa, shines with an impressive 304 hours of sunshine, marking it as one of the sunniest months of the year. This abundant light is part of a noticeable upward trend, as the region transitions from the cooler winter months into a vibrant spring. Following a summer peak in October at 309 hours, September serves as a delightful prelude, offering nearly as much sunshine as the sunniest days of the year. In fact, the overall pattern reveals a gradual increase in sunshine hours from the moderate 230 hours in January to this late-summer peak. The consistent warmth and brightness of September make it an ideal time for beachgoers and adventure seekers looking to bask in Lalomanu's tropical charm.
In Lalomanu, Samoa, September marks a significant shift toward sunnier days, boasting a 70% chance of sunshine. This trend showcases a gradual increase in sunny weather from the earlier months of the year, where sunshine percentages are notably lower—starting at just 33% in January and peaking at 62% in July. Following the mid-year peak, August sees a slight dip, but the warmth returns with gusto in September. As the month unfolds, residents and visitors alike can look forward to more radiant days, making it an ideal time to enjoy the stunning natural beauty of this tropical paradise.
In September, the picturesque shores of Lalomanu, Samoa, bask in 12 hours of vibrant daylight, signaling the transition from the slightly shorter days of winter to the longer, sun-drenched days of the approaching summer. This shift marks a notable trend in daylight duration throughout the year, where May through August consistently offer 11 hours of daylight, creating a rhythm that aligns with the region's subtropical climate. As autumn arrives, September's longer days are a reminder of the island's perpetual dance with the sun, returning to a balance that persists through the final months of the year. With October to December maintaining this 12-hour daylight pattern, it becomes evident that Lalomanu enjoys a remarkably stable and predictable cycle of natural light, ideal for those seeking adventure or relaxation amid its stunning landscapes.
As September rolls into Lalomanu, Samoa, the wind picks up slightly, maintaining a steady average of 5.5 m/s (12 mph). This marks a continuation of the summer breezes felt in the earlier months of July and August, both showing higher wind speeds that peak at 6.5 m/s (15 mph) and 5.5 m/s (12 mph), respectively. Following this subtle but consistent trend, October brings a slight increase to 5.7 m/s (13 mph), hinting at the region's dynamic wind patterns as it transitions toward the drier months. Interestingly, after the gusty summer, the wind speeds begin to taper off in November and December, suggesting a seasonal rhythm that sets the stage for the calmness of the year-end. This blend of gentle breezes and powerful gusts characterizes the unique winds of Samoa, enchanting all who experience them.
Weather in Lalomanu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lalomanu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warm with average temperatures ranging from 24°C (75°F) to a maximum of 27°C (81°F). It experiences significant rainfall, with 191 mm (7.5 in) of precipitation over 25 days and a high humidity level of 84%. In contrast, January tends to be slightly warmer, boasting average temperatures from 23°C (75°F) to a maximum of 29°C (85°F). It also sees increased rainfall, with 322 mm (12.7 in) over 24 days, but the humidity is a touch lower at 80%. For more details on January weather conditions, check out Lalomanu weather in January.
September and February both feature warm temperatures, with September having slightly cooler averages. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 27°C (81°F), while February sees a higher average of 27°C (80°F) peaking at 29°C (85°F). Precipitation levels are significantly higher in February, with 474 mm (18.6 in) of rain spread across 27 days compared to September's 191 mm (7.5 in) over 25 days. Humidity also remains high in both months, but February is a bit lower at 79% compared to September's 84%. For more details on February weather specifics, check out Lalomanu weather in February.
In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 27°C (81°F), with an average temperature of 26°C (79°F). The month experiences significant rainfall, with 191 mm (7.5 in) of precipitation spread over 25 days and humidity levels at a high 84%. In contrast, March sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (84°F), averaging 27°C (80°F). However, March also brings increased precipitation, totaling 219 mm (8.6 in) over 27 days, coupled with a slightly lower humidity of 79%. For a detailed look at March weather patterns, visit Lalomanu weather in March.
In September, the weather features a minimum temperature of 24°C (75°F) and an average of 26°C (79°F), with a maximum of 27°C (81°F). This month experiences significant precipitation, with around 191 mm (7.5 in) spread over 25 days, leading to a high humidity level of 84%. In contrast, April brings slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a peak of 29°C (84°F). However, it also has higher rainfall, totaling 245 mm (9.6 in) across 26 days, and a slightly lower humidity of 79%. For more specific details on April's weather, check out Lalomanu weather in April.
In comparing the weather of September and May, both months display warm temperatures, with September's range slightly more stable, showing a minimum of 24°C (75°F) and an average of 26°C (79°F), while May has a higher average of 27°C (80°F) and maximum temperatures reaching 29°C (84°F). Rainfall is more pronounced in May, totaling 231 mm (9.1 in) over 28 days, compared to September's 191 mm (7.5 in) across 25 days. Additionally, while September boasts a higher humidity level at 84%, May maintains a slightly lower humidity of 80%. For a detailed look at the weather during May, you can visit Lalomanu weather in May.
When comparing the weather in September and June, both months showcase similar temperature ranges, with minimums around 24°C (75°F) and average temperatures around 26°C (79°F for September and 80°F for June). However, June tends to be slightly warmer at its maximum, reaching up to 28°C (83°F) compared to September's peak of 27°C (81°F). Precipitation is notably higher in June, with 223 mm (8.8 in) compared to September's 191 mm (7.5 in), even though both months experience rainfall on about 25 days. Additionally, while September's humidity is slightly higher at 84%, June remains comfortably humid at 80%. For more detailed insights into June weather, you can visit Lalomanu weather in June.
In comparing the weather between September and July, both months exhibit similar average temperatures, hovering around 26°C (79°F). However, July tends to be slightly warmer with a maximum temperature of 28°C (82°F) compared to September's peak of 27°C (81°F). In terms of precipitation, July is noticeably wetter, receiving 280 mm (11.0 in) over 27 days, while September sees less rainfall at 191 mm (7.5 in) across 25 days. Humidity levels are relatively close, with September recording 84% and July at 81%. For a more detailed look at July weather specifics, check Lalomanu weather in July.
In comparing the weather between August and September, we see that both months have similar average temperatures, with September showing a slight increase in minimum temperatures (24°C compared to August's 23°C) and a marginally lower maximum temperature (27°C in September versus 28°C in August). Precipitation levels are quite close, with September receiving slightly more rain (191 mm) compared to August (184 mm), and September also has a slightly higher frequency of rainy days (25 as opposed to 24). Both months are characterized by high humidity levels, with September at 84% and August at 83%. For those planning activities during this period, detailed information can be found here: Lalomanu weather in August.
In September, the weather features consistent temperatures with a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 27°C (81°F). However, it experiences significant precipitation totaling 191 mm (7.5 in) over 25 days, contributing to a high humidity level of 84%. In contrast, October shows a slight increase in maximum temperature to 28°C (83°F) while maintaining the same minimum and average temperatures as September. The month sees a notable rise in precipitation, reaching 338 mm (13.3 in) over 28 days, with humidity slightly increasing to 85%. For more specific weather details, you can check Lalomanu weather in October.
In September, the weather remains warm with average temperatures hovering around 26°C (79°F) and a maximum of 27°C (81°F). However, this month experiences significant precipitation, with 191 mm (7.5 in) across 25 days, leading to high humidity levels of 84%. In contrast, November sees a slight increase in temperatures, with the maximum reaching 28°C (83°F), while maintaining an average of 26°C (79°F). However, the month is marked by even heavier rainfall, totaling 327 mm (12.9 in) over 27 days, and slightly lower humidity at 82%. For more detailed insights, you can check Lalomanu weather in November.
In September, the weather tends to be warm with a minimum temperature of 24°C (75°F) and an average of 26°C (79°F), peaking at 27°C (81°F). However, it's also a month marked by significant rainfall, accumulating 191 mm (7.5 in) over 25 days, all while boasting high humidity at 84%. In contrast, December displays slightly warmer conditions with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), with an average temperature of 26°C (80°F). The rainfall is notably heavier, with 399 mm (15.7 in) spread over 29 days, making it a particularly wet month, albeit with a slightly lower humidity level of 82%. For more detailed information about December weather patterns, you can visit Lalomanu weather in December.
As September graces Lalomanu, visitors can expect warm temperatures that settle comfortably around 26°C (79°F), making it a delightful escape from cooler climates. However, this month also brings a significant amount of rainfall, with 25 days experiencing precipitation, resulting in 84% humidity that adds a tropical touch to the atmosphere. Compared to the drier months, September's frequent showers contribute to lush landscapes but may require some planning for outdoor activities. For those interested in a deeper understanding of the region's climate patterns, check out Lalomanu Climate.