Last updated: August 28, 2025
September in Phu Quy, Vietnam offers a warm tropical climate with average temperatures hovering around 28°C (82°F). Daily highs can reach up to 30°C (85°F), while the evenings bring a refreshingly mild minimum of 26°C (78°F). However, expect the month to be marked by significant rainfall, with 224 mm (8.8 in) of precipitation accumulating over approximately 25 days, creating a noticeably humid environment with humidity levels around 87%. This combination of warmth and moisture fosters lush landscapes but also necessitates careful planning for outdoor activities.
In September, Phu Quy, Vietnam experiences warm and inviting temperatures, perfect for enjoying its stunning beaches. With a minimum of 26°C (78°F) and an average temperature of 28°C (82°F), the maximum reaches a comfortable 30°C (85°F). This month continues the trend of steady warmth that begins in late spring, with minimal fluctuations compared to August. As the summer heat begins to wane, September offers a balance that entices visitors to bask in the tropical ambiance without the extreme highs. Whether you're exploring local attractions or unwinding by the sea, the climate in September is ideal for all types of adventures.
September marks a notable peak in precipitation in Phu Quy, Vietnam, with 224 mm (8.8 in) of rainfall accumulating over 25 days. This month stands out as the wettest of the year, following a series of increasingly damp months from May to August, which saw rainfall consistently exceeding 150 mm. The transition from the summer months to September signifies the height of the rainy season, as the island braces for intense downpours that can lead to lush landscapes but also poses challenges for daily activities. As the year progresses into October, rainfall further intensifies, highlighting a trend of significant moisture that characterizes the region during this season.
In September, Phu Quy, Vietnam experiences a notable increase in humidity, reaching a steady 87%. This marks a continuation of the upward trend established during the summer months, where humidity levels climbed from 84% in June to 86% in July and peaked at 87% in August. As the year transitions towards the latter months, humidity remains high, with levels only slightly declining to 86% in October. The consistent humidity throughout these months creates a tropical atmosphere, characteristic of the region, which likely influences both the climate and the lifestyle of its inhabitants. This pattern of high humidity often leads to lush landscapes, making September a unique time to experience the island's vibrant natural beauty.
In September, Phu Quy, Vietnam, continues to experience an extreme UV Index of 14, which aligns with the high values recorded throughout the summer months. This consistent intensity indicates a persistent need for effective sun protection, as the recommended burn time remains a swift 10 minutes. The trend showcases that from January through September, the UV Index rarely dips below extreme levels, underscoring the importance of vigilance against sun exposure year-round. As you prepare for your adventures in paradise, ensure you're equipped with sunscreen and protective gear to enjoy the beauty of Phu Quy safely. For more detailed insights, visit Phu Quy UV Index.
UV Risk Categories
As September arrives in Phu Quy, Vietnam, the island enjoys an impressive 298 hours of sunshine, marking a slight dip from the peak brightness of summer months but still a delightful experience for visitors. Following the vibrant sun-drenched days of May and June, this month maintains a solid light count that reflects the region's generally sunny disposition year-round. The trend of gradually decreasing sunlight hours continues into October, making September a perfect balance of warmth and gentle coastal breezes, ideal for beachgoers and adventurers alike. As the year transitions into autumn, travelers can revel in the remnants of summer while anticipating the cooler months ahead.
As September rolls into Phu Quy, Vietnam, the likelihood of basking in glorious sunshine takes a notable dip, with chances falling to a modest 12%. This trend marks one of the season's lowest probabilities, trailing closely behind the sunniest months of March (61%) and February (47%). The shift in weather is evident as the summer months wane, with July and August also presenting low probabilities at 21% and 25%, respectively. Thus, travelers seeking sunny skies may want to reconsider their plans for September, as the cloudier days increasingly dominate the forecast.
In Phu Quy, Vietnam, September marks the continuation of a delightful trend in daylight duration, with the island enjoying 12 hours of sunlight each day. This consistent daylight follows a steady increase from 11 hours in January and February, gradually blossoming into 12 hours from March all the way through September. As summer transitions to autumn, the abundance of daylight enhances the vibrant atmosphere of this coastal region, making it a perfect time for outdoor activities and exploration. However, as the year draws to a close, daylight hours will begin to recede once again, dipping back to 11 hours in October, a gentle reminder of the changing seasons.
As September unfolds in Phu Quy, Vietnam, the island experiences a gentle shift in wind dynamics, showcasing an average wind speed of 5.9 m/s (13 mph). This marks a slight decline from the preceding summer months, where winds were more robust, hinting at the transition into the calmer phases of the year. The trend reveals a gradual decrease in wind speed from the frosty January highs of 13.0 m/s (29 mph) down to September, with previous months such as July and August offering more consistent breezes around 8.7 m/s (19 mph) and 6.5 m/s (15 mph), respectively. Following September, winds will begin to pick up again, with October expected to return to 7.5 m/s (17 mph), creating a rhythmic ebb and flow that characterizes Phu Quy's windy seasonal patterns. Overall, September serves as a tranquil prelude to the invigorating gusts that will dance through the island later in the year.
Weather in Phu Quy varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Phu Quy, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September is typically warmer and much wetter compared to January. In September, temperatures range from a minimum of 26°C (78°F) to a maximum of 30°C (85°F), with an average of 28°C (82°F). This month also sees considerable rainfall, with 224 mm (8.8 in) expected over 25 days, contributing to a high humidity level of 87%. In contrast, January brings milder conditions, with temperatures ranging from 22°C (72°F) to 27°C (80°F) and an average of 25°C (77°F). The precipitation drops significantly to 62 mm (2.4 in) over just 7 days, resulting in lower humidity levels of 82%. For more detailed information on January weather, you can check Phu Quy weather in January.
September and February present contrasting weather patterns. In September, temperatures are warmer with a minimum of 26°C (78°F) and an average of 28°C (82°F), peaking at 30°C (85°F). This month also experiences significant rainfall, totaling 224 mm (8.8 in) over 25 days, accompanied by high humidity at 87%. In contrast, February is cooler with a minimum temperature of 22°C (72°F) and an average of 25°C (77°F), reaching a maximum of 27°C (82°F). Precipitation is minimal, at just 12 mm (0.5 in) spread over only 3 days, and humidity is lower at 79%. For more specific details about February weather, check out Phu Quy weather in February.
In September, the weather is characterized by higher temperatures, with a minimum of 26°C (78°F) and an average of 28°C (82°F), reaching up to 30°C (85°F). The month experiences significant rainfall, with a total of 224 mm (8.8 inches) spread over 25 days, contributing to a high humidity level of 87%. In contrast, March showcases slightly cooler conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (80°F). This month enjoys much less precipitation, totaling only 18 mm (0.7 inches) over 4 days, and a lower humidity level of 78%. For more detailed insights into March weather, you can visit Phu Quy weather in March.
In comparing the weather between September and April, both months experience warm temperatures, with September having a slightly higher average temperature of 28°C (82°F) compared to April's average of 27°C (82°F). However, September is characterized by significantly higher humidity at 87%, while April's humidity is more moderate at 76%. Precipitation levels also differ markedly, with September receiving 224 mm (8.8 in) over 25 days, in contrast to April's much lighter 40 mm (1.6 in) over just 9 days. For more specific details about April weather, you can visit Phu Quy weather in April.
In both September and May, the temperatures are quite similar, with minimums around 26°C (78°F), averages of 28°C (82°F), and maximums hovering near 30°C (85°F). However, the weather in September is marked by significantly higher humidity at 87%, compared to May's 78%, creating a more oppressive atmosphere during that month. Additionally, September experiences more precipitation, with 224 mm (8.8 in) spread over 25 days, while May sees less rain, totaling 153 mm (6.0 in) across 21 days. For a closer look at the weather in May, you can visit Phu Quy weather in May.
In comparing the weather between September and June, both months share similar temperature ranges, with minimums around 26°C (78°F), average temperatures of 28°C (82°F), and maximums peaking at 30°C (85°F in September and 87°F in June). However, September experiences significantly higher precipitation, accumulating 224 mm (8.8 in) over 25 days, compared to June's 169 mm (6.6 in) over 24 days. Additionally, the humidity is slightly higher in September at 87%, compared to 84% in June. For more specific details on June weather, you can check Phu Quy weather in June.
When comparing the weather in September and July, we see quite similar temperature patterns, with both months featuring a minimum of 26°C (78°F), an average of 28°C (82°F), and a maximum of around 30°C (85°F in September and 86°F in July). However, September is notably wetter, experiencing 224 mm (8.8 in) of precipitation over 25 days compared to July's 149 mm (5.9 in) over 23 days. Humidity levels are also comparable, with September at 87% and July slightly lower at 86%. For more details on July weather specifics, you can visit Phu Quy weather in July.
In comparing the weather of September to August, we see that both months have similar temperature ranges, with September featuring a minimum and average temperature of 26°C (79°F) and 28°C (82°F) respectively, which is consistent with August's figures. However, September experiences slightly warmer maximum temperatures at 30°C (85°F) compared to August's maximum of 29°C (85°F). Rainfall is notably higher in September, with 224 mm (8.8 in) of precipitation over 25 days, surpassing August's 166 mm (6.5 in) over 22 days. Both months maintain a consistent humidity level of 87%. For a more detailed look at August weather, you can visit Phu Quy weather in August.
In comparing the weather of September and October, we see some notable similarities and differences. September typically experiences slightly warmer temperatures, with averages around 28°C (82°F), while October sees a minor dip to an average of 27°C (81°F). Both months share a minimum temperature of 25°C (78°F), but October has a more consistent feel with a maximum temperature of 29°C (85°F) compared to September's 30°C (85°F).
Precipitation, however, increases significantly in October, rising from 224 mm (8.8 in) over 25 days in September to 323 mm (12.7 in) over 27 days in October, suggesting a wetter month ahead. Humidity levels remain similar, with September at 87% and October slightly lower at 86%. For a more detailed overview, you can check out the link: Phu Quy weather in October.
September typically sees warmer temperatures, with an average of 28°C (82°F) and highs reaching up to 30°C (85°F). The month is also quite wet, with significant precipitation of 224 mm (8.8 in) over 25 days and humidity levels at 87%. In contrast, November experiences slightly cooler weather, with an average temperature dropping to 26°C (80°F) and maximum temperatures around 28°C (83°F). Precipitation is similar, at 220 mm (8.6 in) but occurs over fewer days—19 in total. Humidity remains high in November at 89%, making both months feel quite humid. For more details, check out Phu Quy weather in November.
In September, the weather is much warmer, with average temperatures around 28°C (82°F) and highs reaching up to 30°C (85°F). This month is also notably wetter, experiencing 224 mm (8.8 in) of rainfall over 25 days while maintaining a high humidity level of 87%. In contrast, December offers cooler temperatures, with averages dropping to 25°C (78°F) and maximums of 28°C (82°F). The precipitation decreases significantly to 140 mm (5.5 in) across just 12 days, while humidity remains relatively high at 88%. For more detailed information about December weather, you can visit Phu Quy weather in December.
In September, Phu Quy experiences a notable shift in weather compared to other months, marked by higher humidity levels and frequent rainfall. With an average temperature hovering around 28°C, the island showcases a tropical charm that can be both delightful and challenging. This month sees approximately 25 days of rainfall, accumulating around 224 mm, creating a lush environment but also leading to damp conditions. As you explore the landscape, you’ll find that the rich greenery, fueled by the moisture, provides a stunning contrast to the usual sun-drenched vistas. For a deeper dive into this island's seasonal characteristics, visit Phu Quy Climate.