Last updated: August 27, 2025
In September, Rawai, Thailand experiences a warm and humid tropical climate, with average temperatures hovering around 28°C (82°F). Daily highs can reach a maximum of 29°C (85°F), while the nights offer a mild reprieve with lows around 25°C (78°F). This month is characterized by high humidity levels at 84%, contributing to the overall sultry atmosphere. Rainfall is a significant feature, with 251 mm (9.9 in) of precipitation spread across approximately 24 days, making September one of the wetter months of the year. Travelers should prepare for frequent showers but can still enjoy the lush, vibrant surroundings that the rain brings.
In September, Rawai, Thailand, continues to embody the warm tropical climate that defines the region throughout the year. With minimum temperatures hovering around 25°C (78°F) and an average of 28°C (82°F), the weather remains comfortably warm, perfect for beach outings and outdoor adventures. While the maximum temperature reaches about 29°C (85°F), slightly cooler than the peak summer months, it still invites sun-seekers to bask in its gentle warmth. Notably, September maintains a consistent temperature pattern, with little variation from previous months, showcasing Rawai’s captivating allure for travelers who appreciate a warm and inviting atmosphere.
September marks a significant peak in rainfall for Rawai, Thailand, with precipitation soaring to 251 mm (9.9 in) over 24 days. This surge continues the month's trend of heavy rainfall established during the peak of the wet season, following a steady increase since April. As the region transitions from the late summer months, September's precipitation outpaces both August's 174 mm and the preceding months, indicating an environment rich in moisture. This abundant rainfall not only underscores the change in the season but also prepares the landscape for the heavier October rains, which average a notable 294 mm (11.6 in). Whether for nature's rejuvenation or challenges associated with the deluge, September plays a pivotal role in Rawai's climatic tapestry.
In September, Rawai, Thailand, experiences a notable rise in humidity, peaking at 84%. This increase follows a steady upward trajectory from July's 79%, suggesting that the months of August and September represent the pinnacle of the wet season. After a brief dip in April and May with humidity levels around 71-72%, the trend shifts notably, leading into the more humid late summer and early autumn months. Remarkably, October and November maintain similar levels of 84%, indicating a prolonged season of tropical moisture that envelops Rawai, making this month feel particularly lush and vibrant.
In September, Rawai, Thailand, continues to bask in the intensity of summer sun, maintaining a UV Index of 14, categorized as extreme. With a consistent burn time of just 10 minutes, the sun's rays remain a force to reckon with, aligning closely with the trends seen throughout the previous months. This period marks one of the highest UV Index readings of the year, a pattern that started in January and peaked in March and April. The slightly fluctuating values in recent months emphasize the need for sun protection, as exposure risks remain high. For those planning outdoor activities, it's essential to stay informed and take necessary precautions. For more detailed information, check out Rawai UV Index.
UV Risk Categories
In September, Rawai, Thailand enjoys a delightful 292 hours of sunshine, marking a gentle transition from the vibrant peak of the summer months. The sunshine hours dip slightly from August, which boasts a robust 319 hours, showcasing a laid-back end to the tropical season. This month tends to fall in line with the overall trend, as the sunshine gradually decreases through the latter part of the year. Despite the slight decline, September still offers ample bright days, perfect for savoring beachside relaxation or exploring the lush surroundings. With the comforting warmth of the sun, this month remains an enticing choice for travelers seeking a blend of adventure and ease.
In Rawai, Thailand, the likelihood of enjoying sunny weather in September drops significantly, with only a 9% chance of sunshine. This trend marks a clear shift from the earlier months, where February boasts a generous 47% chance of sun, creating an inviting atmosphere for visitors. As the rainy season approaches, May through August also show lower probabilities, culminating in September's minimal sunshine, a stark contrast to the balmy days of the previous months. Consequently, if you’re planning to visit Rawai in September, be prepared for overcast skies and the possibility of rain, as this month reflects the overall decline in sun-filled days leading into the monsoon season.
In September, Rawai, Thailand, enjoys a consistent 12 hours of daylight, complementing its warm and tropical climate. This duration follows a trend established from March through August, where daylight remains notably steady, underscoring the region's mild and inviting atmosphere during these months. As the year transitions into October, daylight begins to wane slightly, dropping to 11 hours, yet the lingering summer vibe continues to charm both locals and visitors alike. This predictable pattern of extended daylight not only enhances the outdoor experience but also provides ample time for exploration and relaxation in this picturesque coastal paradise.
In September, Rawai, Thailand experiences a gentle breeze with an average wind speed of 4.3 m/s (10 mph), which is a slight increase compared to the preceding months of April through August. This stability in wind patterns reflects a transition into the tail end of the monsoon season, where the sea tends to calm, inviting leisurely days for beachgoers and water sports enthusiasts. Interestingly, after a gradual decrease in wind speeds from January to May, there is a subtle uptick in the summer months, culminating in a moderate breeze by early fall. As October approaches and the average climbs to 4.7 m/s, visitors can look forward to balmy conditions perfect for outdoor adventures while enjoying the vibrant local culture and stunning coastal scenery.
Weather in Rawai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rawai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinctly different weather patterns, with September experiencing higher precipitation and humidity. In September, the minimum temperature hovers around 25°C (78°F), with an average of 28°C (82°F) and a maximum of 29°C (85°F). The month also sees considerable rainfall, totaling 251 mm (9.9 in) over 24 days, leading to a humid atmosphere at 84%. In contrast, January offers slightly cooler temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). The precipitation drops significantly to 117 mm (4.6 in) over just 11 days, resulting in lower humidity levels at 76%. For a more detailed look at January weather in Rawai, you can check Rawai weather in January.
In September, the weather tends to be significantly wetter and more humid compared to February. The average temperature in September hovers around 28°C (82°F), with minimums of 25°C (78°F) and maximums reaching 29°C (85°F). This month experiences heavy precipitation, with 251 mm (9.9 in) falling over 24 days, resulting in a high humidity level of 84%.
In contrast, February offers a much drier and less humid climate. With temperatures averaging around 27°C (82°F), it features minimums of 25°C (78°F) and maximums of 30°C (87°F). Precipitation in February is minimal, totaling just 15 mm (0.6 in) over 4 days and accompanied by a lower humidity level of 73%. For more detailed insights, you can visit Rawai weather in February.
In September, the weather is characterized by a warm average temperature of 28°C (82°F) with a max of 29°C (85°F) and a high humidity level of 84%. However, this month also sees significant rainfall, with precipitation reaching 251 mm (9.9 in) over 24 days, creating a rather wet environment. In contrast, March offers slightly higher temperatures, with a minimum of 26°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). The humidity is lower at 74%, and the precipitation drops dramatically to just 41 mm (1.6 in) over 9 days, making March a drier and more pleasant time of year. For more detailed weather information, you can check Rawai weather in March.
September and April share similar average temperatures, with both months maintaining a minimum of 25°C (78°F) and an average around 28°C (82°F). However, September experiences slightly cooler maximum temperatures, peaking at 29°C (85°F), compared to April's higher maximum of 30°C (87°F). Precipitation levels also differ significantly; September sees 251 mm (9.9 in) of rain over 24 days, while April has a more moderate 160 mm (6.3 in) across 22 days. Additionally, humidity levels are notably higher in September at 84%, compared to 71% in April, making April the drier and slightly more comfortable month overall. For more detailed information, you can check Rawai weather in April.
When comparing the weather in September and May, a few notable differences emerge. September features temperatures that range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). In contrast, May has slightly warmer temperatures, with a minimum of 26°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (86°F). Precipitation is more pronounced in September, with 251 mm (9.9 in) falling over 24 days, compared to May's 225 mm (8.9 in) across 26 days. Additionally, September experiences higher humidity levels at 84%, while May is more comfortable at 72%. For more detailed information, you can check out Rawai weather in May.
In comparing the weather between September and June, both months exhibit warm temperatures, with minimums around 25°C (78°F) and average highs that hover between 28°C (82°F) and 30°C (87°F) in June. However, September tends to be slightly cooler, with a maximum of 29°C (85°F). Rainfall is more frequent in September, receiving 251 mm (9.9 in) over 24 days, compared to June's 202 mm (8.0 in) over 23 days. Additionally, September has higher humidity levels at 84%, compared to June's 79%. For more details on June weather, you can check Rawai weather in June.
When comparing the weather in September to that in July, one can observe some notable differences. Both months experience similar temperature ranges, with September showing a slightly lower minimum temperature of 25°C (78°F) compared to July's 26°C (79°F). However, September is characterized by significantly higher precipitation, receiving 251 mm (9.9 in) over 24 days, while July sees only 169 mm (6.7 in) over 17 days. Additionally, the humidity in September is higher at 84%, compared to July's 79%. This increased rainfall and humidity in September suggest a more tropical and potentially stormy atmosphere than the warm, drier conditions typical of July. For more detailed information on July weather, you can check Rawai weather in July.
September weather shows a slight drop in maximum temperatures compared to August, with September reaching a maximum of 29°C (85°F) while August peaks at 30°C (86°F). Both months share a similar minimum and average temperature, remaining steady around 25°C (77°F) to 28°C (82°F). However, September is notably wetter, receiving 251 mm (9.9 in) of precipitation over 24 days, which is significantly higher than August's 174 mm (6.8 in) over 20 days. Humidity also increases slightly in September, averaging 84% compared to August's 82%. For a detailed look at August's weather patterns, you can check Rawai weather in August.
In comparing the weather conditions of September and October, both months exhibit warm temperatures with minimal variation. September boasts a minimum temperature of 25°C (78°F) and an average of 28°C (82°F), while October mirrors this with the same minimum but a slightly lower average of 27°C (81°F). Precipitation levels increase from 251 mm (9.9 in) in September to 294 mm (11.6 in) in October, indicating a wetter month ahead. Both months experience frequent rainfall, with September recording precipitation on 24 days compared to October's 26 days, while humidity remains relatively constant at 84% for September and 83% for October. For a detailed look at the weather in October, you can check Rawai weather in October.
In comparing the weather between September and November, both months share similar temperature ranges, with September having an average of 28°C (82°F) and November slightly cooler at 27°C (81°F). September experiences slightly lower maximum temperatures of 29°C (85°F) compared to November's 30°C (87°F). However, November sees an uptick in precipitation, with 279 mm (11.0 in) over 25 days, compared to September's 251 mm (9.9 in) across 24 days. Both months maintain high humidity levels at 84%, contributing to the tropical climate. For more detailed information about November weather, visit Rawai weather in November.
September and December in Rawai present a transition in weather patterns, though both months maintain relatively high temperatures. In September, the climate is warmer, with an average temperature of 28°C (82°F) and maximum highs reaching 29°C (85°F), combined with significant rainfall of 251 mm (9.9 in) over 24 days, contributing to a high humidity level of 84%. In contrast, December offers slightly cooler temperatures, averaging 27°C (81°F) with a maximum of 30°C (87°F), but experiences less precipitation, totaling 174 mm (6.9 in) across just 14 days. Despite the changes, the humidity remains consistent at 84%. For a detailed look at what to expect this December, visit Rawai weather in December.
As September unfolds in Rawai, the weather offers a unique blend of warmth and moisture, distinguishing it from the rest of the year. With maximum temperatures hovering around a comfortable 29°C (85°F) and a high humidity level of 84%, the air feels noticeably sticky and tropical. Rainfall is frequent, with nearly three-quarters of the month marked by precipitation, contributing to a total of 251 mm (9.9 in). This makes September one of the wettest months, creating lush landscapes but also prompting visitors to prepare for sudden downpours. If you want to explore more about the climate throughout the year, check out Rawai Climate for comprehensive insights.