Last updated: August 28, 2025
Experience the tropical charm of Port-Vila, Vanuatu in September, where temperatures linger between a comfortable 21°C (69°F) and a pleasant 26°C (79°F), averaging around 24°C (75°F). This time of year witnesses an average humidity of 79%, creating a warm, inviting atmosphere. Visitors should prepare for occasional rain, as September sees about 78 mm (3.1 in) of precipitation across 10 days. Embrace the unique blend of vibrant culture and lush landscapes that make Port-Vila a stunning destination in September!
As September unfolds in Port-Vila, Vanuatu, the island begins to transition into the warmth of spring. With minimum temperatures dipping slightly to 21°C (69°F), the average settles around a pleasant 24°C (75°F), while the maximum hovers near 26°C (79°F). This marks a gradual warming trend from the cooler winter months, suggesting a shift toward more inviting and balmy days ahead. The temperatures remain consistently mild, embodying the tropical charm of Vanuatu, making September an ideal time for outdoor adventures and soaking in the stunning natural beauty of the island. As the days grow longer and warmer, visitors can expect a delightful blend of sunshine and refreshing breezes, perfect for beach relaxation.
In September, Port-Vila experiences a moderate shift in precipitation, with 78 mm (3.1 in) of rain falling over 10 days. This marks a slight increase from the drier months of July and August, where rainfall was sparse at just 29 mm and 50 mm, respectively. September serves as a transitional period, hinting at the approaching wet season characterized by heavier downpours. As the region moves into October, which sees nearly double the precipitation at 152 mm (6.0 in), September's rainfall indicates a gradual ramp-up in humidity and moisture, setting the stage for the more intense rains that follow.
In September, Port-Vila, Vanuatu experiences a humidity level of 79%, maintaining a consistency seen throughout the dry winter months of June to August. This month marks a subtle transition as humidity begins to rise again, heading towards the more humid seasons of October and November, which both hover around 81% and 82% respectively. Notably, while it dips slightly from the summer peak of 81% noted in January, September’s humidity reflects a stable transitional phase, setting the stage for the lush, vibrant conditions typical of the approaching summer. The general trend indicates a balanced climate, contributing to the region’s lush flora and inviting lifestyle that many travelers adore.
As September rolls into Port-Vila, Vanuatu, the UV Index remains high, peaking at 13 and categorized as extreme. This trend continues from the previous months, following a consistent pattern of elevated UV levels throughout the year. With a burn time of just 10 minutes, it’s crucial for residents and visitors alike to practice sun safety. The UV Index during September mirrors the intensity seen in both August and October, showcasing that this time of year necessitates vigilant sun protection. For more insights on UV levels throughout the year, visit Port-Vila UV Index.
UV Risk Categories
As September rolls in, Port-Vila, Vanuatu basks in a delightful 254 hours of sunshine, maintaining its reputation as a tropical paradise. Following the peak of the dry season, which sees a gradual decline from the summer highs of 290 hours in March and 281 hours in February, September's sunlight signals the transitional phase before the sun intensifies again in October, reaching 296 hours. This month is a sweet spot for outdoor enthusiasts; it offers plenty of bright days without the intense heat of summer's peak. As we watch the sunshine gradually increase into the year's final quarter, September serves as a gentle reminder of nature's rhythm, ensuring every sun-soaked moment is cherished in this idyllic setting.
As September rolls around in Port-Vila, Vanuatu, the chance of sunny weather remains moderately promising at 37%. This marks a slight dip compared to the sunnier months of July and August, which boast chances of 51% and 45%, respectively. Interestingly, the weather pattern suggests a general progression towards brighter skies after the cooler winter months, with a gradual increase in sunshine from the depths of January’s dismal 7%. While September's prospects may not be the sunniest of the year, they still offer a delightful opportunity for visitors to enjoy the scenic beauty of Vanuatu, especially when combined with the increasing warmth of approaching spring.
In September, Port-Vila, Vanuatu experiences a consistent daylight duration of 11 hours, marking the continuation of shorter days as the year progresses. Following a gradual decline from the long days of January (with up to 13 hours) through to the equalized light of the preceding months, September's daylight persists at this level, aligning with the typical patterns observed from May to August. This stability hints at the region's transition towards longer days again, as daylight begins to extend into October and beyond, ultimately reaching nearly 13 hours by December. The rhythm of daylight in Port-Vila plays a captivating role in the island's vibrant lifestyle, influencing everything from activities to cultural celebrations throughout the year.
As September settles over Port-Vila, Vanuatu, the breeze dances delightfully at an average wind speed of 8.1 m/s (18 mph), maintaining a lively rhythm from the previous month. This slight decline from the 8.7 m/s (19 mph) recorded in August indicates a transition as the peak wind speeds of winter give way to the gentler airs of spring. Notably, September stands out as part of a seasonal pattern where the wind gradually strengthens from the calmer days of early year, peaking in the winter months, before softening again as summer approaches. This cyclical change enhances the vibrant charm of Port-Vila, where the winds whisper tales of adventure and relaxation amidst the stunning landscapes.
Weather in Port-Vila varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port-Vila, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit distinct weather patterns. In September, temperatures range from a minimum of 21°C (69°F) to a maximum of 26°C (79°F), with an average of 24°C (75°F). The month experiences moderate rainfall, totaling 78 mm (3.1 in) over about 10 days, and humidity levels sit at 79%. In contrast, January is warmer, with temperatures fluctuating between 25°C (77°F) and 29°C (84°F), averaging 27°C (81°F). However, January also sees increased precipitation at 170 mm (6.7 in) across 17 days, with humidity slightly rising to 81%. For more details, see Port-Vila weather in January.
In comparing the weather of September and February, September offers a milder climate with temperatures ranging from a minimum of 21°C (69°F) to an average of 24°C (75°F), peaking at 26°C (79°F). The month experiences a total precipitation of 78 mm (3.1 in) over about 10 days, accompanied by a humidity level of 79%. In contrast, February presents a warmer scenario with temperatures starting at a minimum of 25°C (77°F), averaging 27°C (81°F), and reaching up to 29°C (84°F). Precipitation significantly increases to 164 mm (6.5 in) across 21 days, while humidity remains slightly higher at 80%. For more specific insights into February's climate, you can visit Port-Vila weather in February.
In September, the weather is relatively warm with an average temperature of 24°C (75°F), reaching a maximum of 26°C (79°F). The month sees about 78 mm (3.1 in) of rainfall over approximately 10 days, maintaining a consistent humidity level of 79%. In contrast, March experiences higher temperatures, with an average of 27°C (81°F) and peaks at 29°C (85°F). However, it also brings significantly more rainfall, totaling 227 mm (8.9 in) spread over 25 days, while still retaining the same humidity. For a more detailed look at March weather, check out Port-Vila weather in March.
When comparing the weather in September and April, notable differences emerge. September features milder temperatures, with minimums around 21°C (69°F) and a maximum of 26°C (79°F), while April sees warmer conditions, with average temperatures ranging from 24°C (75°F) to highs of 29°C (84°F). Additionally, April experiences significantly higher precipitation, totaling 292 mm (11.5 in) over 22 days, compared to September's 78 mm (3.1 in) across just 10 days. The humidity is slightly elevated in April at 82% compared to September's 79%. For more detailed information, you can check Port-Vila weather in April.
In comparing the weather in September and May, it is clear that May tends to be warmer and wetter. September's temperatures range from a minimum of 21°C to a maximum of 26°C, with an average of 24°C, while May sees slightly higher temperatures, with a minimum of 23°C and a maximum of 28°C, averaging 26°C. Additionally, May experiences more rainfall, totaling 163 mm over 16 days compared to September's 78 mm over 10 days. Humidity levels are also comparable, with May at 81% and September at 79%. For more details about May weather, check out Port-Vila weather in May.
In comparison to June, September features slightly cooler temperatures, with average highs reaching 26°C (79°F) compared to June's max of 27°C (81°F). Both months have a minimum temperature that hovers around 21°C (70°F), but September’s average temperature is just a degree lower at 24°C (75°F). When it comes to precipitation, June experiences heavier rainfall with 116 mm (4.6 in) over 10 days, in contrast to September’s total of 78 mm (3.1 in) over the same number of days. Additionally, September exhibits a marginally higher humidity level at 79%, while June maintains a humidity of 77%. For a more detailed look at weather conditions in June, you can visit Port-Vila weather in June.
When comparing the weather in September and July, both months exhibit similar minimum temperatures of around 21°C (69°F), with average temperatures slightly higher in July (24°C) compared to September (24°C). July tends to be a bit warmer at its maximum, reaching 27°C (80°F) against September's peak of 26°C (79°F). However, September experiences significantly more rainfall, with 78 mm (3.1 in) over about 10 days, compared to July's 29 mm (1.1 in) over just 8 days. Humidity levels are also quite comparable, with September at 79% and July slightly lower at 78%. For more insights, you can explore Port-Vila weather in July.
In comparing the weather between September and August, we see some interesting similarities and differences. Both months feature similar temperature ranges, with a minimum of 21°C (69°F) and an average of 24°C (75°F), but September has slightly lower maximum temperatures at 26°C (79°F) compared to August’s 26°C (80°F). Precipitation is notably higher in September, with 78 mm (3.1 in) over 10 days, whereas August experiences just 50 mm (2.0 in) over 11 days. Despite the difference in rainfall, the humidity remains constant at 79% for both months, creating a consistently humid atmosphere. For more detailed information on August weather specifically, you can check Port-Vila weather in August.
September and October in Port-Vila showcase a gradual transition in weather patterns. In September, the temperatures range from a minimum of 21°C (69°F) to a maximum of 26°C (79°F), with an average of 24°C (75°F). The month experiences an average precipitation of 78 mm (3.1 in) across 10 rainy days and a humidity level of 79%.
In contrast, October sees slightly warmer temperatures with a minimum of 22°C (72°F) and a maximum of 27°C (80°F), averaging 25°C (77°F). However, it also brings increased rainfall, with total precipitation reaching 152 mm (6.0 in) over 14 days and humidity rising to 81%. For more detailed insights, you can refer to Port-Vila weather in October.
In September, the weather is warm with average temperatures ranging from a minimum of 21°C (69°F) to a maximum of 26°C (79°F), accompanied by a significant humidity level of 79%. There is also a notable amount of precipitation, with 78 mm (3.1 in) falling over about 10 days. In contrast, November sees slightly warmer conditions, with average temperatures increasing to a minimum of 23°C (73°F) and a maximum of 28°C (82°F). However, November also experiences higher rainfall, totaling 91 mm (3.6 in) over approximately 12 days, alongside a marginally increased humidity level of 82%. For more details, you can check Port-Vila weather in November.
In September, the weather typically features milder temperatures, with a minimum of 21°C (69°F) and an average of 24°C (75°F), peaking at around 26°C (79°F). The month experiences moderate rainfall, totaling 78 mm (3.1 in) over about 10 days, accompanied by a humidity level of 79%. In contrast, December brings warmer conditions with a minimum temperature of 24°C (76°F) and an average of 26°C (80°F), reaching a maximum of 29°C (84°F). However, it also sees significantly higher precipitation, totaling 204 mm (8.0 in) across approximately 17 days, alongside a slightly increased humidity of 82%. For more detailed information, you can check Port-Vila weather in December.
In September, Port-Vila experiences a pleasant transition as temperatures remain comfortable, with averages hovering around a mild 24°C. Compared to the hotter summer months, this season offers a refreshing reprieve, making it ideal for outdoor activities and exploration. While the humidity can be notable at 79%, it's balanced by a gentle breeze. Precipitation is moderate, with about 78 mm falling over 10 days, implying occasional showers that contribute to the region's lush landscapes without dampening the overall experience. For more detailed insights into the weather patterns of this vibrant destination, check out Port-Vila Climate.