Last updated: August 27, 2025
In September, Sattahip, Thailand experiences a tropical climate characterized by warm temperatures and high humidity. With daily highs reaching around 33°C (92°F) and an average of 29°C (84°F), the weather remains consistently warm. However, visitors should prepare for significant rainfall, as the area receives approximately 216 mm (8.5 in) of precipitation over 22 days, contributing to an average humidity level of 87%. This combination of heat and moisture creates a lush environment, making September a vibrant time to explore Sattahip, albeit one that calls for rain gear and a readiness to embrace the occasional downpour.
In September, Sattahip, Thailand, experiences a warm climate, with minimum temperatures averaging around 25°C (77°F) and maximums peaking at 33°C (92°F). This month continues the trend of high humidity and consistent heat established in the preceding summer months, particularly in August, which shares similar temperature patterns. The average temperature settles at a comfortable 29°C (84°F), inviting both locals and tourists to enjoy outdoor activities. As the region transitions into October, temperatures begin to cool slightly, but September's warmth and vibrant atmosphere make it a delightful time to explore the coastal beauty of Sattahip.
September marks a significant peak in precipitation for Sattahip, Thailand, with a remarkable 216 mm (8.5 in) of rainfall recorded over 22 days. This substantial increase not only highlights the onset of the wet season but also positions September as one of the wettest months of the year, following closely behind October, which receives even more rainfall. The trend of rising precipitation from the earlier months—where rainfall steadily builds from 38 mm in January to 136 mm in May—culminates dramatically in September. These patterns indicate a heightened intensity in rainfall as the rainy season progresses, which may influence local agriculture, water resources, and daily life in Sattahip.
In September, Sattahip experiences a notable dip in humidity compared to the peak levels of July and August, yet remains quite high at 87%. This month marks the beginning of a gradual decline as the region transitions towards the cooler months; however, the humidity still reflects the enduring influence of the rainy season. From an average of 58% in the drier January and February, humidity gradually increases through the year, peaking in the summer months. The figures indicate that while September offers some relief from the oppressive summer humidity, it still remains significantly elevated, suggesting a warm and moist atmosphere typical of the tropics. As October approaches, humidity levels are expected to drop further, yet they will still be higher than in the beginning of the year, shaping the climate of Sattahip as it heads towards the dry season.
As summer transitions into fall, September in Sattahip, Thailand, continues to boast an elevated UV Index of 14, placing it firmly within the extreme exposure category. With a notably short burn time of just 10 minutes, it’s clear that sunshine seekers should exercise caution and take protective measures. This trend of extreme UV levels has persisted since March, marking a continuous stretch of intense sun exposure through to October. Notably, the months of February to September present consistently high UV Index ratings, emphasizing the need for vigilance against harmful UV radiation. For more information on the UV Index and how to stay safe, visit Sattahip UV Index.
UV Risk Categories
As September rolls in Sattahip, Thailand, it brings a delightful blend of sunshine with 274 hours of sunlight—a gentle dip from the bustling summer months. Following a peak in March with 338 hours, the hours have gradually settled, creating a perfect backdrop for outdoor activities. This month, while it sees slightly less sunshine than August and July, it maintains a vibrant atmosphere that's ideal for enjoying the stunning beaches and lush landscapes. With the sun still shining brightly, September offers a warm embrace before transitioning into the cooler months ahead, and with an average of over 300 hours in both October and November, the allure of Sattahip’s sun remains ever-present.
September in Sattahip, Thailand, marks a distinct decline in sunny weather, with only a 7% chance of sunshine. This month stands out as one of the least favorable for those seeking clear skies, following the already limited opportunities for sun in the rainy season. As the region transitions from the intense humidity of August, where the chance drops to 9%, September continues this trend with a noticeable dip in sunshine, contrasting sharply with the sunnier months of January and February, which boast probabilities of 54% and 67%, respectively. Travelers should be prepared for the weather's unpredictability during this time, opting for flexible plans while hoping for the occasional glimpse of sun amidst the rain.
In Sattahip, Thailand, the daylight duration in September remains consistent at 12 hours, mirroring the trend set by the preceding months of June, July, and August. This stable period of daylight showcases the region's tropical climate, where long days extend throughout the rainy season. As the year progresses, daylight gradually decreases, with October marking the beginning of a subtle decline, returning to 11 hours in the cooler months of November and December. This rhythmic pattern not only enhances the vibrant daily life in Sattahip but also invites residents and visitors alike to embrace the beauty of the changing seasons under the sun’s warm embrace.
As summer transitions into autumn, September in Sattahip, Thailand brings a gentle breeze with an average wind speed of 2.7 m/s (6 mph). This month marks a subtle decrease in wind activity compared to the lively gusts of the preceding June and July, which topped out at around 4.0 m/s (9 mph). The winds begin to calm after a summer of freshness, creating a serene atmosphere ideal for beach visits and outdoor adventures. As the season progresses, the October winds slightly increase to 2.9 m/s (6 mph), hinting at the return of more consistent air movement. Overall, September presents a tranquil interlude, perfect for enjoying the last lingering days of warm weather.
Weather in Sattahip varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sattahip, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by higher temperatures and significant humidity, with average temperatures around 29°C (84°F) and maximums reaching up to 33°C (92°F). The month experiences extensive rainfall, totaling 216 mm (8.5 inches) over approximately 22 days, making it a notably wet period. In contrast, January brings milder conditions with lower temperatures; the average drops to 27°C (81°F), and while maximum temperatures can still hit 33°C (92°F), the month is much drier, receiving only 38 mm (1.5 inches) of precipitation over just 5 days. Additionally, January boasts a much more comfortable humidity level of 59%. For more details, you can check Sattahip weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), with an average of 29°C (84°F). This month is characterized by high humidity at 87% and significant rainfall, totaling 216 mm (8.5 in) over 22 days. In contrast, February experiences milder conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (93°F) and an average of 28°C (82°F). Precipitation is minimal in February, with only 24 mm (1.0 in) recorded over just 6 days and humidity dropping to 58%. For more detailed information, you can check Sattahip weather in February.
In September, the weather is characterized by higher humidity, averaging 87%, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), complemented by substantial rainfall of 216 mm (8.5 in) over 22 days. In contrast, March presents a more moderate climate, featuring slightly lower humidity at 61% and temperatures that vary from a minimum of 23°C (74°F) to a maximum of 34°C (94°F). Precipitation in March is significantly reduced to just 40 mm (1.6 in) over 7 days, making it a drier month overall. For more detailed information, visit Sattahip weather in March.
In comparing the weather between September and April, it's clear that both months offer warm temperatures, but with distinct differences. September features a minimum temperature of 25°C (77°F) and can reach up to 33°C (92°F), while April's temperatures are slightly higher, peaking at 35°C (96°F). However, April has lower humidity at 70%, making the heat feel more manageable compared to September's higher humidity of 87%. Precipitation is also notably different; September experiences significant rainfall with 216 mm (8.5 in) over 22 days, whereas April sees much less, with only 80 mm (3.2 in) over 12 days. For more details on the climate specifics, you can refer to Sattahip weather in April.
In comparing the weather of September and May, we find notable differences in temperature, precipitation, and humidity. September tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), while May sees higher temperatures, with a range from 23°C (73°F) to 36°C (97°F). Notably, September experiences heavier rainfall, totaling 216 mm (8.5 in) over 22 days, compared to May's 136 mm (5.4 in) over 17 days. Humidity levels are also higher in September at 87%, versus May's 80%. For a more detailed look at May weather, you can see Sattahip weather in May.
In comparing the weather of September and June, September tends to be slightly more humid, with an average humidity level of 87% compared to June's 85%. The temperatures in both months are quite warm, with June having a slightly higher maximum of 35°C (96°F) compared to September's 33°C (92°F). However, September experiences significantly more rainfall, with a total of 216 mm (8.5 in) over 22 days, while June has only 100 mm (4.0 in) over 19 days. For detailed information about Sattahip's weather during June, you can visit Sattahip weather in June.
In comparing the weather between September and July, both months showcase warm temperatures, but July tends to be slightly hotter with maximums reaching up to 36°C (96°F) compared to September's peak of 33°C (92°F). The average temperatures remain similar, hovering around 29°C (84°F) for September and 29°C (85°F) for July. However, September experiences significantly more precipitation, with 216 mm (8.5 in) falling over 22 days, while July sees only 120 mm (4.7 in) of rainfall during the same number of days. Humidity levels are quite comparable, with September at 87% and July slightly lower at 86%. For a more detailed overview, you can check out Sattahip weather in July.
In comparing the weather between August and September, both months exhibit warm temperatures, with minimal variation. September maintains a consistent range, with daily averages hovering around 29°C (84°F), similar to August, which averages at 29°C (85°F). However, September's maximum temperature is notably lower at 33°C (92°F) compared to August's peak of 36°C (97°F). Precipitation increases significantly in September, reaching 216 mm (8.5 in) over 22 days, whereas August sees just 131 mm (5.2 in) across 19 days. Interestingly, the humidity remains high in both months, with September at 87% and August at 88%. For further details, you can check Sattahip weather in August.
In September, the weather is characterized by slightly higher average temperatures, with minimums around 25°C (77°F) and maximums peaking at 33°C (92°F). Precipitation is substantial, totaling 216 mm (8.5 in) over approximately 22 days, accompanied by high humidity levels of 87%. Conversely, October sees a minor dip in average temperature, averaging 28°C (83°F) with similar maximums at 33°C (92°F) but slightly lower humidity at 83%. Rainfall increases slightly to 222 mm (8.8 in) spread over 23 days, making both months quite wet. For more details about the weather in Sattahip during October, visit Sattahip weather in October.
September and November exhibit distinct weather patterns, with September generally being warmer and more humid. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), accompanied by high humidity at 87% and substantial rainfall of 216 mm (8.5 in) over 22 days. In contrast, November sees slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 34°C (93°F). Precipitation decreases significantly to 70 mm (2.8 in) over just 12 days, and humidity drops to 78%. For more detailed information on November's weather, visit Sattahip weather in November.
In September, the weather in Sattahip is warm and humid, with average temperatures reaching around 29°C (84°F), and highs climbing to 33°C (92°F). This month is characterized by significant rainfall, with 216 mm (8.5 in) of precipitation over 22 days, resulting in humidity levels around 87%.
In contrast, December brings a cooler and drier climate, where average temperatures drop to 27°C (81°F). Although the maximum temperature can still reach 33°C (92°F), the minimum is much lower at 17°C (63°F). Precipitation falls dramatically to 35 mm (1.4 in) occurring over just 5 days, and humidity decreases to 70%. For more details on December weather, check out Sattahip weather in December.
As September rolls in, Sattahip experiences a significant shift in weather compared to other months of the year. The temperature hovers around a warm 29°C, providing a balmy atmosphere, while the high humidity at 87% can make days feel quite muggy. This month also sees a noteworthy increase in rainfall, with nearly 22 days of precipitation adding up to 216 mm, making it one of the wettest months. Travelers and locals alike can expect frequent showers, transforming the landscape into a lush oasis. For those looking to understand how this month differs from others, more insights can be found in our detailed section on the Sattahip Climate.