Last updated: August 27, 2025
In September, Mueang Phuket, Thailand, experiences warm temperatures, with a maximum of 29°C (85°F) and an average of 28°C (82°F), paired with a minimum of 25°C (78°F). This tropical paradise is characterized by high humidity levels, averaging 84%, contributing to its lush, vibrant scenery. However, visitors should prepare for significant rainfall, as the region receives an impressive 251 mm (9.9 in) over approximately 24 days. This combination of warmth and frequent showers creates a unique atmosphere, perfect for those seeking a mix of sunny days and rejuvenating tropical downpours.
September in Mueang Phuket, Thailand, showcases a delightful and consistent tropical climate. With minimum temperatures hovering around 25°C (78°F) and an average of 28°C (82°F), the weather remains pleasantly warm. As summer gives way to fall, the maximum temperature slightly dips to 29°C (85°F), yet it still invites beachgoers and sun lovers alike. Overall, September reflects a seamless transition within a warm, humid environment, maintaining a delightful atmosphere for outdoor activities, while also hinting at the occasional rain associated with the rainy season. As such, visitors can expect warm days accompanied by cooling breezes, making it a charming time to explore this tropical paradise.
In September, Mueang Phuket experiences a significant uptick in precipitation, with 251 mm (9.9 in) of rainfall recorded over 24 days. This marks one of the wettest months of the year, continuing the trend of increasing rainfall that begins in the preceding months. Following a series of gradual increases—from 160 mm in April to 225 mm in May—September's rainfall peaks as it transitions into the even rainier October, which receives 294 mm. This pattern illustrates the monsoon season's intensity, as Phuket's landscape transforms under the frequent showers, providing vital moisture for lush tropical growth while presenting adventurous visitors with a dramatic and dynamic setting.
September marks a peak in humidity levels in Mueang Phuket, Thailand, with an average of 84%, the highest of the year. This month witnesses a noticeable rise from the preceding months, particularly following August, which also maintains elevated humidity at 82%. As the wet season progresses, the air grows increasingly moist, creating a steamy atmosphere that hints at the approaching rains. The trend continues into October and November, where humidity remains high at 83% and 84%, respectively, suggesting a consistent pattern of lush, tropical conditions in this beautiful coastal region.
In September, Mueang Phuket, Thailand, maintains an intense UV Index of 14, categorizing the exposure level as extreme. This places it in line with the UV readings from the previous months of August and consistent with October as well, highlighting a trend of sustained high UV exposure during the late rainy season. With a burn time of just 10 minutes, it’s crucial for residents and visitors alike to take protective measures, such as donning sunscreen, hats, and long sleeves. As the summer season transitions towards fall, the need for vigilance against UV radiation remains paramount. For more detailed information, explore the Mueang Phuket UV Index.
UV Risk Categories
September in Mueang Phuket, Thailand, typically graces visitors with 292 hours of sunshine, a slight dip from the vibrant summer months of July and August, which both enjoyed over 300 hours. While this month marks a gentle transition towards the cooler season, it still offers an abundance of sun, ideal for beachgoers and explorers alike. Despite the decrease, it remains one of the sunnier months following the rainy season, providing plenty of opportunities to bask in the warm tropical glow before the year culminates in a bright December with 311 hours of sunshine. Whether you're lounging on its picturesque beaches or exploring lush landscapes, September's sunshine continues to charm, inviting travelers to savor every golden moment.
September in Mueang Phuket, Thailand, marks a significant decline in the likelihood of sunny weather, with only a 9% chance of clear skies. This trend is reflective of the monsoon season, where the island transitions into its wettest months. In comparison to the more sunshine-filled earlier months like February at 47% or even March at 42%, the cloud cover and occasional rainfall become a staple of September's weather pattern. As the island prepares to shake off the rains in October with a similar 9% chance, visitors should be ready for the occasional stormy skies rather than basking in sunlight.
In Mueang Phuket, Thailand, September enjoys a delightful 12 hours of daylight, continuing the trend established in the preceding months. As the year progresses from January to August, daylight steadily rises from 11 to 12 hours, showcasing a gradual shift towards longer days. This consistent duration in September signals the region's transition into the latter part of the year, where daylight begins to taper off as October approaches. The stabilization of light hours during these months not only provides a reliable rhythm for daily activities but also enhances the overall ambiance for exploring Phuket’s stunning landscapes and vibrant culture. With daylight duration now peaking, residents and visitors alike can revel in the beauty of the island under the sun's warm glow.
In September, the winds in Mueang Phuket, Thailand typically blow at an average speed of 4.3 m/s (10 mph), marking a slight decrease from the summer months. This gentle breeze, a departure from the stronger gusts experienced in July (5.3 m/s) and August (5.0 m/s), signals the transition into the more tranquil autumn period. While September's winds aren't the strongest of the year, they offer a refreshing respite from the heat and humidity typical of the region. This trend of gradually decreasing wind speeds continues into October, where the average rises slightly again to 4.7 m/s. Overall, the weather patterns during this month provide an ideal backdrop for enjoying the stunning coastal scenery, inviting adventurers and leisure-seekers alike to embrace the serene beauty of Phuket.
Weather in Mueang Phuket varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mueang Phuket, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F). However, this month is characterized by high levels of precipitation, totaling 251 mm (9.9 in) over 24 days, along with high humidity at 84%. In contrast, January offers slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (86°F), averaging 27°C (81°F). Additionally, January experiences significantly less rainfall, recorded at 117 mm (4.6 in) over only 11 days, and lower humidity at 76%. For a more detailed overview, check out Mueang Phuket weather in January.
In September, the weather tends to be quite humid and rainy, with an average temperature of 28°C (82°F) and high humidity at 84%. There is significant precipitation, totaling 251 mm (9.9 inches) over 24 days, making it one of the wetter months. In contrast, February offers a warmer experience, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F) and an average of 27°C (82°F). February is also much drier, receiving only 15 mm (0.6 inches) of rainfall over just 4 days, and the humidity drops to a more comfortable 73%. For more information about the weather in this month, you can visit Mueang Phuket weather in February.
In September, the weather tends to be quite humid and wet, with an average temperature of 28°C (82°F) and high humidity at 84%. The month experiences significant rainfall, totaling 251 mm (9.9 in) over approximately 24 days, making it one of the wetter months. In contrast, March offers a more pleasant climate with slightly higher maximum temperatures around 30°C (87°F) and a lower average humidity of 74%. Rainfall is also considerably lighter in March, totaling just 41 mm (1.6 in) across only 9 days. For more detailed weather conditions in March, you can check Mueang Phuket weather in March.
September and April in Mueang Phuket showcase similar temperature ranges, with both months experiencing minimum temperatures around 25°C (78°F) and average temperatures approximately 28°C (82°F). However, September tends to be more temperate with a maximum of 29°C (85°F), while April peaks slightly higher at 30°C (87°F). In terms of rainfall, September is significantly wetter, receiving 251 mm (9.9 in) over 24 days, compared to April's 160 mm (6.3 in) across 22 days. The humidity in September is also notably higher at 84% compared to April's 71%, resulting in a more tropical feel during the latter month. For a detailed look at April's weather, visit Mueang Phuket weather in April.
In comparing the weather between September and May, both months exhibit warm temperatures with averages around 28°C (82°F). However, September tends to be slightly cooler with a maximum of 29°C (85°F), while May boasts a higher maximum of 30°C (86°F). Precipitation is more pronounced in September, with 251 mm (9.9 in) over 24 days, compared to May's 225 mm (8.9 in) across 26 days. Notably, humidity levels are higher in September at 84%, contrasting with May's 72%. For more information about May weather in Phuket, you can check Mueang Phuket weather in May.
In comparing the weather of September and June, both months exhibit similar temperature patterns, with minimums around 25°C (78°F) and average highs near 28°C (82°F) in September and 28°C (83°F) in June. However, September tends to be slightly cooler at its maximum, reaching 29°C (85°F), while June can peak at 30°C (87°F). Rainfall is notably higher in September, accumulating 251 mm (9.9 in) over 24 days compared to June's 202 mm (8.0 in) across 23 days, leading to an increase in humidity levels to 84% in September versus 79% in June. For a more detailed look, you can check the Mueang Phuket weather in June.
Both July and September feature similar temperature ranges, with minimums of 25-26°C and maximums of 29°C. However, September tends to be wetter, receiving significantly more precipitation at 251 mm over 24 days compared to July's 169 mm over 17 days. This increased rainfall in September also leads to higher humidity levels, averaging 84% compared to July's 79%. Thus, while both months are warm, September is characterized by more frequent rain and higher humidity. For more details on July weather, you can check Mueang Phuket weather in July.
In comparing the weather between August and September, both months experience similar temperature ranges, with minimums around 25°C and average highs between 28°C and 30°C. However, September tends to be slightly cooler with a maximum temperature of 29°C compared to August's peak of 30°C. Notably, September is characterized by significantly higher precipitation levels, totaling 251 mm over 24 rainy days, while August sees just 174 mm over 20 days of rain. Humidity levels also increase slightly in September to 84%, compared to 82% in August. For more detailed information about August weather, you can visit Mueang Phuket weather in August.
In comparing the weather between September and October, we see some notable similarities and differences. Both months experience a minimum temperature of around 25°C (77°F - 78°F) and maximum temperatures peaking at 29°C (85°F), indicating a consistent warmth. However, October tends to be slightly cooler with an average temperature of 27°C (81°F), compared to September's 28°C (82°F).
Precipitation increases in October, with 294 mm (11.6 in) of rain over 26 days, compared to September's 251 mm (9.9 in) over 24 days. Despite this uptick in rainfall, the overall humidity remains relatively stable, with October at 83% and September at 84%. For a more detailed view of the conditions, check out Mueang Phuket weather in October.
In comparison to September, November in Mueang Phuket experiences slightly cooler temperatures, with a minimum of 25°C (76°F) compared to September's 25°C (78°F) and an average temperature of 27°C (81°F) against September's 28°C (82°F). The maximum temperature in November reaches 30°C (87°F), just a bit higher than the maximum of 29°C (85°F) in September. Despite the slightly lower average temperatures, November sees increased precipitation, totaling 279 mm (11.0 in) over 25 days, compared to September's 251 mm (9.9 in) over 24 days. Humidity remains consistent at 84% in both months, creating a tropical atmosphere. For more details, check Mueang Phuket weather in November.
In September, the weather features warm temperatures with a minimum of 25°C (78°F) and an average of 28°C (82°F), reaching a maximum of 29°C (85°F). This month experiences significant precipitation, totaling 251 mm (9.9 in) over 24 days, resulting in a humidity level of 84%. In contrast, December brings slightly cooler temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 30°C (87°F). The precipitation significantly decreases to 174 mm (6.9 in) over just 14 days, while humidity remains constant at 84%. For a more detailed look at the weather in December, check out Mueang Phuket weather in December.
As September arrives in Mueang Phuket, the weather takes on a distinct character, marked by higher humidity and frequent rainfall that sets it apart from drier months. Average temperatures hover around a pleasant 28°C (82°F), with highs reaching up to 29°C (85°F), creating a warm yet often overcast atmosphere. This month sees a significant increase in precipitation, making it one of the wettest periods, with rain gracing nearly every day. While the lush landscapes thrive under these conditions, travelers should be prepared for the moisture and potential interruptions to outdoor plans. For more insights into how September compares with other months, visit the complete guide on Mueang Phuket Climate.