September Weather in Ha Tien, Vietnam

Last updated: August 28, 2025

In September, Ha Tien, Vietnam experiences a warm and humid climate, with maximum temperatures reaching up to 33°C (92°F) and an average of 28°C (82°F). The city sees a significant amount of precipitation, totaling 282 mm (11.1 in) over 27 rainy days, contributing to the high humidity levels of approximately 87%. This combination of heat and moisture creates a lush environment, ideal for exploring the region’s natural beauty, though visitors should be prepared for frequent showers.

September Temperature in Ha Tien

In September, Ha Tien basks in a warm tropical climate, making it an inviting destination for travelers. The temperatures during this month hover between a minimum of 25°C (77°F) and a maximum of 33°C (92°F), with an average of 28°C (82°F), similar to the conditions of the preceding months. The warmth remains consistent, suggesting that as summer transitions to fall, the heat holds steady, providing a delightful atmosphere for beachgoers and outdoor enthusiasts. Although humidity may rise slightly, the generous sunshine invites plenty of opportunities to enjoy the region's stunning landscapes and rich culture. Overall, September in Ha Tien encapsulates the essence of a tropical paradise.

September Weather in Ha Tien: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ha Tien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ha Tien, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818183848483838282828280
Data source: Temperature data for Ha Tien generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ha Tien

In September, Ha Tien experiences a significant peak in rainfall, with an impressive 282 mm (11.1 in) of precipitation over 27 days. This marks the continuation of the region's wet season, as the rainfall from previous months—especially July and August—sets the stage for this downpour. The consistent increase in precipitation throughout the summer months leads to September's heavy showers, contributing to a rich and lush landscape. Following September, the rain continues into October, further intensifying, indicating that the monsoon season remains in full swing. The trends indicate that while the summer months are characterized by frequent and substantial rainfall, September is the climax of this wet spell, setting the tone for the transition into the drier months ahead.

September Precipitation Trends in Ha Tien

The chart displays monthly precipitation patterns in Ha Tien, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Ha Tien, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35304913121920225322628231315379
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ha Tien

September in Ha Tien, Vietnam, marks a notable transition in humidity levels, reflecting the peak of the wet season. With humidity at 87%, the air feels particularly moist and heavy, just slightly lower than the record highs of 88% seen in August. This substantial increase in humidity, starting from the more moderate 62% in January, indicates a clear upward trend as the months progress. As the region shifts from the dry spell of the earlier year to this humid season, visitors can expect a lush landscape and vibrant natural scenery. Despite a slight dip in humidity from the previous month, September remains notably humid, signaling that the welcoming, tropical atmosphere of Ha Tien is in full swing.

September Average Humidity in Ha Tien

This chart illustrates the average monthly humidity levels in Ha Tien, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Ha Tien is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%61%61%67%78%84%86%88%87%85%84%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ha Tien

In September, Ha Tien, Vietnam continues to experience an extreme UV Index of 14, paralleling the high levels seen throughout the summer months. This consistency in the UV index highlights the region's relentless sun exposure, with a burn time of just 10 minutes remaining crucial for outdoor enthusiasts to keep in mind. As the month transitions towards October, the UV index drops slightly to 13, yet the importance of sun protection cannot be overstated. Travelers and locals alike should remain vigilant this month, ensuring safety while enjoying the vibrant coastal atmosphere. For more detailed sun safety tips and data, visit Ha Tien UV Index.

Maximum UV Index Levels in Ha Tien for September

The chart shows the monthly maximum UV Index (UVI) for Ha Tien in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Ha Tien typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111415151413141414131111
Data source: Ha Tien September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Ha Tien

September in Ha Tien, Vietnam, sees a delightful 265 hours of sunshine, maintaining a beautiful ambiance as the rainy season starts to wane. While it may not boast the peak sunshine hours of March, which shines with an impressive 331 hours, it still offers plenty of bright days to explore this coastal gem. As summer fades, the weather remains warm, inviting visitors to enjoy a more serene atmosphere compared to the bustling months of July and August. This transitional month signifies a gentle shift, where the lush landscapes embrace early autumn, presenting a unique charm for travelers seeking both sunshine and tranquility. With its vibrant surroundings and captivating culture, September remains a hidden gem in Ha Tien's yearly cycle of sunshine.

Monthly Sunshine Duration in Ha Tien: September Highlighted

The September sunshine duration represents the total number of hours Ha Tien experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec258h300h331h312h311h271h286h287h265h262h287h307h
Data source: Ha Tien September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ha Tien During September

In September, Ha Tien, Vietnam experiences a notably low chance of sunny weather, with only an 8% likelihood of clear skies. This trend reflects a significant decline in sunshine as the year progresses, especially when compared to the more favorable conditions found in earlier months. For instance, February and March enjoy much higher probabilities of sun at 50% and 48%, respectively. As we move into the late summer and early fall, the chances drop dramatically, marking September as one of the cloudiest periods of the year. Consequently, visitors looking for sunny days in Ha Tien during this month may be met with overcast conditions, encouraging them to plan their activities accordingly.

Percentage of Sunny Days in September in Ha Tien

The chart illustrates the percentage of sunny days in Ha Tien throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ha Tien experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%50%48%31%23%24%15%9%8%10%15%34%
Data source: Ha Tien September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ha Tien in September

In September, Ha Tien, Vietnam, basks in approximately 12 hours of daylight, continuing the steady trend from the preceding months. The duration of daylight remains consistent from March through September, creating a harmonious balance for outdoor activities and exploration. As the year progresses into October, you’ll notice a slight decrease as daylight returns to 11 hours, mirroring the shorter days characteristic of the winter months. This rhythm of daylight not only shapes the local climate but also influences the vibrant lifestyle enjoyed by residents and visitors alike.

Average Daylight Hours in Ha Tien for September

The chart illustrates the variation in daylight duration in Ha Tien throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 34m11h 46m12h 3m12h 21m12h 35m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
Data source: Ha Tien daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ha Tien

As September settles in Ha Tien, Vietnam, the average wind speed hovers around 3.0 m/s (7 mph), marking a slight dip from the breezy heights of the summer months. The wind begins to calm after reaching its peak in July and June, with speeds of 3.9 m/s (9 mph) and 3.8 m/s (9 mph) respectively. This transitional period from the vibrant summer winds to the more temperate conditions of autumn creates a refreshing atmosphere, perfect for enjoying the coastal scenery. Overall, September's breeziness serves as a gentle reminder of the changing seasons, complementing the vibrant local culture and picturesque landscapes that Ha Tien has to offer.

Average September Wind Speed in Ha Tien

The chart displays monthly wind speed patterns in Ha Tien, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.12.32.32.23.83.93.43.0 m/s2.62.83.4
Data source: Ha Tien September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ha Tien Compares to Other Months

Weather in Ha Tien varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ha Tien, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is significantly warmer and more humid compared to January. With minimum temperatures around 25°C (77°F) and averaging 28°C (82°F), September experiences frequent rainfall, totaling approximately 282 mm (11.1 in) over 27 days, leading to a high humidity level of 87%. In contrast, January offers a cooler respite with minimum temperatures of 19°C (67°F) and an average of 27°C (81°F). Rainfall is much lower in January, at only 35 mm (1.4 in) over just 7 days, contributing to a drier atmosphere with humidity around 62%. For a more detailed look at January weather, visit Ha Tien weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), with an average temperature of 28°C (82°F). This month is characterized by significant rainfall, totaling 282 mm (11.1 in) over 27 days, alongside high humidity levels at 87%. In contrast, February features milder temperatures, with a minimum of 20°C (69°F) and a maximum of 34°C (93°F), averaging 27°C (81°F). Precipitation is significantly lower in February, at just 30 mm (1.2 in) over 5 days, and humidity drops to a more comfortable 61%. For more detailed insights, you can check Ha Tien weather in February.

In comparing the weather of September and March, September is characterized by a higher average rainfall of 282 mm over 27 days, while March experiences significantly less precipitation at 49 mm across just 11 days. Despite both months having a similar average temperature of around 28°C, September features higher humidity levels at 87%, creating a more oppressive atmosphere compared to March's 61% humidity. Furthermore, March can reach higher maximum temperatures, peaking at 35°C, compared to September's maximum of 33°C. For more detailed weather information, check out Ha Tien weather in March.

In comparing the weather between September and April, we can see notable differences in temperature, precipitation, and humidity. September typically has a minimum temperature of 25°C (77°F) and an average of 28°C (82°F), with maximums reaching 33°C (92°F). It experiences significantly higher rainfall, with 282 mm (11.1 in) over 27 days and humidity levels at 87%. In contrast, April sees slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 29°C (85°F), peaking at 35°C (96°F). April has much less precipitation, totaling 131 mm (5.2 in) over 21 days, accompanied by lower humidity at 67%. For a detailed look at April weather, you can visit Ha Tien weather in April.

September and May both showcase warm temperatures, but there are notable differences in their weather patterns. September typically sees a minimum temperature of 25°C (77°F) and an average of 28°C (82°F), reaching a maximum of 33°C (92°F). However, it is characterized by higher precipitation, totaling 282 mm (11.1 in) over 27 days and a humidity level of 87%. In contrast, May has a similar minimum temperature of 25°C (77°F) but boasts a higher average of 29°C (84°F) and can reach up to 35°C (95°F). The precipitation in May is lower, with 219 mm (8.6 in) spread over 28 days and humidity at 78%. For a detailed overview of weather specifics, you can check Ha Tien weather in May.

In comparing the weather conditions of September and June, both months experience warm temperatures, but June tends to be slightly warmer overall, with an average temperature of 29°C (84°F) compared to September's 28°C (82°F). The maximum temperatures are also a bit higher in June, reaching up to 34°C (93°F), while September caps at 33°C (92°F). In terms of precipitation, September is markedly wetter, receiving 282 mm (11.1 in) of rain over 27 days, compared to June's 202 mm (7.9 in), also over 27 days. Additionally, humidity levels are slightly higher in September at 87%, versus 84% in June. For more detailed insights, you can check out Ha Tien weather in June.

When comparing September and July weather, both months exhibit similar temperature ranges, with minimum temperatures around 25°C (77°F), average temperatures hovering near 28°C (82-83°F), and maximum temperatures reaching up to 33°C (92°F). However, September experiences slightly higher precipitation, totaling 282 mm (11.1 inches) over 27 days, compared to July's 253 mm (10.0 inches) over 28 days. The humidity levels are also comparable, with September at 87% and July at 86%. For more details on July weather, you can refer to Ha Tien weather in July.

In comparing the weather between September and August, we see that both months exhibit similar temperature ranges, with minimums at 25°C (77°F), averages around 28°C, and maximums peaking at 33°C (92°F). However, September tends to be wetter, recording 282 mm of precipitation over 27 days compared to August's 226 mm over 28 days. Additionally, September's humidity is slightly lower at 87%, while August's humidity sits at 88%. This slight increase in rainfall and the marginally lower humidity in September may contribute to a more uncomfortable feeling for those experiencing the weather. For further details on weather specifics in August, you can check Ha Tien weather in August.

In comparing the weather of September and October, both months exhibit similar temperature ranges, with minimums around 25°C (77°F) and 24°C (75°F) respectively, and an average high of 33°C (92°F) in both months. However, October experiences slightly increased precipitation, totaling 313 mm (12.3 in) compared to September's 282 mm (11.1 in), with rainfall occurring on 28 days in October versus 27 days in September. Humidity remains relatively high in both months, but is marginally lower in October at 84% compared to September's 87%. For more detailed insights into October's weather, you can visit Ha Tien weather in October.

In September, the weather is characterized by higher temperatures and significantly more rainfall compared to November. With minimum temperatures around 25°C (77°F) and average highs reaching 33°C (92°F), September experiences an average of 282 mm (11.1 in) of precipitation over 27 days, resulting in a humidity level of 87%. In contrast, November sees a slight decrease in minimum temperatures to 22°C (73°F) while maintaining the average temperature at 28°C (82°F). The precipitation also drops to 153 mm (6.0 in) over 18 days, leading to a reduced humidity level of 84%. For more detailed weather information, visit Ha Tien weather in November.

In September, the weather is characterized by warmth and high humidity, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F). The month experiences significant rainfall, with around 282 mm (11.1 in) of precipitation over 27 days, contributing to a humid environment at 87% humidity. In contrast, December offers a more comfortable atmosphere, featuring milder temperatures with a minimum of 20°C (68°F) and an average of 27°C (81°F), peaking at 33°C (93°F). The rainfall drastically decreases to 79 mm (3.1 in) spread over just 10 days, resulting in lower humidity at 76%. For more detailed insights, check out Ha Tien weather in December.

Compare Ha Tien's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ha Tien

As September unfolds in Ha Tien, visitors can expect a distinct shift in weather compared to other months. The warmth is palpable, with temperatures remaining comfortably high, yet the heavy rainfall transforms the atmosphere, leading to a notable increase in humidity. With an average of 27 days of rain, this month marks a transition to the wet season, making it essential for travelers to prepare for soaking downpours interspersed with warm days. Those looking to explore the lush landscapes should embrace the vibrant green scenery that emerges from the rain. For an in-depth understanding of the local climate, check out Ha Tien Climate.