Last updated: August 27, 2025
September in Amphawa, Thailand, is characterized by warm temperatures and significant rainfall, creating a juxtaposition of tropical vibrancy and lush landscapes. Daily highs reach a sweltering 36°C (98°F), while the average temperature settles at a comfortable 29°C (84°F). Nights bring a mild relief with lows of 25°C (77°F). However, with 221 mm (8.7 in) of precipitation spread over 24 days, the high humidity level of 87% enhances the tropical atmosphere. This month is ideal for adventurers who appreciate nature’s lush greenery, despite the frequent rain showers.
In September, temperatures in Amphawa, Thailand begin to stabilize as the monsoon season nudges towards its end. The minimum temperature hovers around a pleasant 25°C (77°F), providing a warm start to the day, while the average peaks at 29°C (84°F), offering comfortable conditions for exploring the vibrant local markets and riverside attractions. The maximum temperature reaches around 36°C (98°F), maintaining a summer-like warmth without the extreme highs seen earlier in the year. This month showcases a smooth transition from the scorching heat of summer, blending tropical humidity with more frequent rain showers, perfect for those looking to experience the lush greenery that thrives during this time.
In September, Amphawa experiences a significant surge in precipitation, with 221 mm (8.7 in) of rainfall over approximately 24 days. This marks a striking increase from the 166 mm (6.5 in) recorded in August, further establishing September as one of the wettest months of the year. The almost daily rainfall transforms the landscape, enhancing the region's lush greenery and contributing to the vibrant ecosystems of the lush waterways. As the monsoon season gradually wanes, this month's downpours signify a transitional period, setting the stage for the peak rainfall in October, which averages 239 mm (9.4 in), keeping the aquatic charm alive in Amphawa.
In Amphawa, Thailand, September marks a slight retreat from the peak humidity of the summer months, holding steady at 87%. This figure follows the trend of rising humidity throughout the hot season, where levels soared to a high of 90% in August. The transition into September signals the beginning of a gradual decline as the region prepares for cooler months ahead, with humidity dropping to 83% in October. Notably, this time of year reflects the heavy, moisture-laden air characteristic of Thailand's tropical climate, providing a palpable warmth but also a hint of relief as the wet season starts to wane. As such, September serves as a pivotal month where the humidity remains high, yet hints at the gradual change to a more comfortable climate.
As September unfolds in Amphawa, Thailand, the UV Index remains significantly high, peaking at 13, which categorizes it as extreme; this indicates that sun exposure can lead to burns in as little as 10 minutes. The trend throughout the year showcases a consistent pattern of very high to extreme UV levels, particularly from February through September, suggesting that visitors and locals alike should remain vigilant in protecting themselves from the sun's harmful rays. With only minor fluctuations in index numbers during this peak summer season, it becomes crucial to take precautions such as wearing sunscreen and protective clothing. For those curious about the UV levels throughout the year, detailed insights can be found at Amphawa UV Index.
UV Risk Categories
In September, Amphawa, Thailand, basks in 266 hours of sunlight, marking a gentle dip from the summer's brighter days. This month typically witnesses a transition as the vibrant summer fades into the mellower tones of autumn. Following the peak of 335 hours in March and the growth in sunshine hours leading up to June, the light gradually declines, making September a tranquil period for visitors seeking a more serene experience. While the days grow shorter, the warmth and charm of Amphawa remain, offering a picturesque backdrop for leisurely strolls along the riverside or enjoying the famous floating markets, all under the golden glow of early autumn sunshine.
September in Amphawa, Thailand, presents a notably low chance of sunny weather, with only 9% likelihood of clear skies. This trend continues the downward spiral seen from June through August, where percentages dwindle to 16%, 11%, and finally 8%, respectively. As the wet season peaks, the chances of overcast days and rain become much more prominent. Looking at the broader picture across the year, the sunshine percentage gradually recovers post-September, heading towards 14% in October and climbing to 60% by January. Thus, visitors seeking sunlight might want to plan their trips earlier in the year when sunny days are much more frequent.
In Amphawa, Thailand, September marks a continuation of the region's consistent 12 hours of daylight that begins in March and lasts through August. The steadiness of daylight duration during these months highlights the tropical climate's unique rhythm, allowing for plenty of time to explore the vibrant local culture and stunning waterways. As the month progresses, daylight slowly begins to wane, transitioning towards October's shorter days. This gradual shift elegantly bridges the sunny summer months with the slightly shorter days of fall, inviting both locals and visitors to savor the enchanting twilight as evening draws near.
As September arrives in Amphawa, Thailand, the average wind speed dips to a gentle 1.7 m/s (4 mph), marking one of the calmest months of the year. This decrease in wind velocity follows a summer season where the breezes varied but generally hovered around the 5 mph mark. The tranquil September winds create a serene atmosphere, perfect for exploring the lush landscapes and vibrant waterways that characterize this charming locale. As the month progresses into October, a slight uptick to 1.9 m/s hints at the seasonal transition, yet the overall trend showcases the gentle touch of nature, making September an ideal time to enjoy peaceful moments by the river.
Weather in Amphawa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Amphawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is markedly warmer and more humid, with average temperatures reaching 29°C (84°F) and maximums soaring up to 36°C (98°F). This month also experiences significant rainfall, totaling 221 mm (8.7 in) over 24 days, contributing to a high humidity level of 87%. In contrast, January presents a cooler and drier climate, with average temperatures around 27°C (80°F) and maximums peaking at 34°C (93°F). Rainfall is minimal in January, with only 23 mm (0.9 in) over just 2 days, and humidity drops to a more comfortable 58%. For more specific insights into January weather, you can visit Amphawa weather in January.
In comparing the weather of September and February, September is characterized by warmer temperatures and significantly higher humidity. With average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (98°F) and an average humidity of 87%, September can feel quite oppressive. Additionally, it experiences substantial precipitation with 221 mm (8.7 in) spread across 24 rainy days. In contrast, February offers a more moderate climate, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 35°C (95°F), while humidity drops to a comfortable 59%. Rainfall is minimal in February, recorded at only 13 mm (0.5 in) over just 3 days. For more detailed information on weather during this month, refer to Amphawa weather in February.
September and March present distinct weather characteristics. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), with an average of 29°C (84°F). This month experiences considerable rainfall, totaling 221 mm (8.7 in) over 24 days, accompanied by high humidity levels at 87%. In contrast, March offers slightly higher average temperatures with a minimum of 23°C (73°F) and a maximum of 37°C (99°F), averaging 30°C (86°F). However, it boasts significantly lower precipitation, with only 35 mm (1.4 in) falling over just 4 days and humidity dropping to 62%. For more detailed information, check out Amphawa weather in March.
When comparing the weather in September and April, there are some notable differences. September typically presents warmer minimum temperatures at 25°C (77°F), while April's minimum hovers slightly lower at 21°C (70°F). However, April boasts a higher average temperature of 30°C (87°F) compared to September's 29°C (84°F). The maximum temperatures in April can reach up to 39°C (102°F), significantly higher than September's maximum of 36°C (98°F). In terms of precipitation, September is much wetter, receiving 221 mm (8.7 in) over 24 days, while April experiences considerably less rain, with only 104 mm (4.1 in) over 11 days. Additionally, humidity levels in September are noticeably higher at 87%, compared to April's more comfortable 69%. For more specific insights into weather conditions in April, Amphawa weather in April provides further details.
In comparing the weather of September and May, we see significant differences in temperature and precipitation. September tends to be slightly cooler, with average temperatures around 29°C (84°F) and maximums reaching 36°C (98°F). In contrast, May experiences higher temperatures, averaging 30°C (87°F) and peaking at 40°C (103°F). Precipitation is also more prevalent in September, with 221 mm (8.7 in) falling over 24 days, compared to May's 147 mm (5.8 in) over 19 days. Humidity levels are higher in September at 87%, while May has a more comfortable 79%. For a closer look at the weather conditions during May, you can visit Amphawa weather in May.
In comparing the weather of September and June, both months exhibit high temperatures and humidity levels typical of a tropical climate. September has slightly lower minimum and average temperatures, with averages of 29°C (84°F) compared to June's 30°C (86°F), although June reaches a higher maximum temperature of 37°C (99°F) versus September's 36°C (98°F). Precipitation levels are significantly higher in September, with 221 mm (8.7 in) falling over 24 days, compared to June's 119 mm (4.7 in) over 20 days, indicating that September is not only wetter but also potentially more unpredictable in terms of rainfall. For a more detailed look at June's weather, you can refer to Amphawa weather in June.
In comparing the weather of September and July, both months exhibit warm temperatures, with September showing a minimum of 25°C (77°F) and an average of 29°C (84°F), slightly cooler than July's corresponding figures of 25°C (78°F) and 29°C (85°F). However, July sees a slightly higher maximum temperature of 37°C (99°F) compared to September's peak of 36°C (98°F). Precipitation levels are notably different, with September experiencing much heavier rainfall at 221 mm (8.7 in) over 24 days, while July has a total of 135 mm (5.3 in), also across 24 days. Humidity levels are quite similar, standing at 87% in September and 89% in July. For more detailed insights into July weather patterns, you can check out Amphawa weather in July.
In comparing the weather between August and September, both months experience similar temperature ranges, with minimums at 25°C (77°F), averages around 29°C (84-85°F), and maximums reaching 36°C (98°F). However, September sees a notable increase in precipitation, totaling 221 mm (8.7 in) over 24 days, compared to August’s 166 mm (6.5 in) over 25 days. Despite the slightly higher average rainfall in September, the humidity remains high in both months, with September averaging 87% and August at 90%. For more detailed information, check Amphawa weather in August.
In September, the weather is characterized by higher temperatures with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 36°C (98°F). The month experiences significant precipitation, totaling 221 mm (8.7 in) over 24 days, along with high humidity levels at 87%. In contrast, October sees slightly cooler conditions, with minimum temperatures at 23°C (74°F), an average of 28°C (83°F), and a maximum of 34°C (94°F). Precipitation increases to 239 mm (9.4 in) but occurs over fewer days—only 21. The humidity also decreases slightly to 83%. For more detailed insights, you can check Amphawa weather in October.
In September, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (98°F) and an average of 29°C (84°F). This month experiences significant rainfall, totaling 221 mm (8.7 in) over 24 days, contributing to a high humidity level of 87%. In contrast, November offers a more moderate climate, with temperatures decreasing slightly to a minimum of 21°C (71°F) and a maximum of 34°C (93°F), averaging 28°C (82°F). Additionally, precipitation drops to 79 mm (3.1 in) across just 11 days, and humidity levels decrease to 77%. For more details on the November climate, check out Amphawa weather in November.
In September, the weather is characterized by high temperatures, with minimums around 25°C (77°F) and averages reaching 29°C (84°F), peaking at a scorching 36°C (98°F). The month is also marked by significant precipitation, averaging 221 mm (8.7 in) over 24 days, resulting in high humidity levels of 87%. In contrast, December offers a more temperate climate, with minimum temperatures dropping to 16°C (61°F) and average highs around 26°C (80°F), reaching up to 34°C (94°F) on warmer days. Additionally, December experiences much lower rainfall, totaling only 20 mm (0.8 in) over just 3 days, and a decrease in humidity to 66%. For those interested in a detailed overview of the December weather, you can refer to Amphawa weather in December.
September in Amphawa is marked by notably high humidity and a significant increase in rainfall, making it a distinct departure from the drier months of the year. With an average temperature that remains comfortably warm, the combination of heat and moisture can create a sultry atmosphere. While the region typically enjoys plenty of sunshine, September’s frequent rain showers and overcast skies shift the landscape, offering a lush, vibrant contrast to the preceding dry season. For those planning a visit, it’s essential to prepare for the possibility of wet weather while still taking advantage of Amphawa's unique charm during this transitional period. For a deeper dive into the region's climate, visit Amphawa Climate.