September Weather in My Tho, Vietnam

Last updated: August 28, 2025

In September, My Tho, Vietnam experiences a tropical climate characterized by a blend of warm temperatures and significant rainfall. The maximum temperature can reach a sweltering 34°C (94°F), while the average hovers around a comfortable 27°C (82°F), dipping to a minimum of 24°C (76°F) at night. With an impressive 272 mm (10.7 in) of precipitation spread over 27 days, the month is marked by high humidity levels of 89%, contributing to a lush and vibrant environment. Visitors can expect a mix of sun and rain, making it an ideal time to explore the rich culture and natural beauty of the region.

September Temperature in My Tho

In September, My Tho experiences a delightful blend of warmth and humidity, with temperatures ranging from a comfortable 24°C (76°F) at night to a pleasant 34°C (94°F) during the day. The average temperature hovers around 27°C (82°F), subtly indicating the transition towards the cooler months ahead. This month retains a similar warmth to August, maintaining the region's tropical charm, yet hints at the upcoming shift as the nights become slightly cooler. As summer fades, September presents an excellent opportunity for visitors to enjoy outdoor adventures while basking in a vibrant atmosphere filled with lush landscapes and cultural festivities.

September Weather in My Tho: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in My Tho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In My Tho, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808082848483828281818180
Data source: Temperature data for My Tho generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in My Tho

In September, My Tho experiences a significant amount of rainfall, with 272 mm (10.7 in) recorded over 27 days. This marks a slight decrease from August's peak of 295 mm (11.6 in), yet the month remains one of the wettest, continuing the trend of heavy precipitation that begins in May. The rainy season is in full swing, as the days are consistently damp, contributing to the overall lushness of the region. Following September, the rainfall intensifies even further in October, emphasizing the transitional nature of the weather patterns in this vibrant part of Vietnam.

September Precipitation Trends in My Tho

The chart displays monthly precipitation patterns in My Tho, 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 My Tho, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4217178521822327729527232018883
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in My Tho

In September in My Tho, Vietnam, humidity begins to moderate slightly from the peak levels of summer, settling at a high 89%. This month marks a continuation of the tropical climate that has been building since May, where humidity levels soared to 80% or more. The trend through the months showcases a gradual rise from 65% in January to a remarkable 90% in August, before tapering slightly in September. This persistent humidity is indicative of the approaching wet season, creating a lush, verdant landscape, while also inviting the characteristic muggy atmosphere that defines the region during this time of year. As October approaches, humidity stays elevated, reflecting the area's unique climate patterns.

September Average Humidity in My Tho

This chart illustrates the average monthly humidity levels in My Tho, 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 My Tho is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%58%61%80%87%89%90%89%87%87%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in My Tho

In September, My Tho, Vietnam experiences an extreme UV Index of 14, maintaining a high risk for sunburn within just 10 minutes of midday sun exposure. This trend of intensifying UV levels throughout the year presents a consistent pattern, with the UV Index reaching its peak in March at 16 and remaining extreme across the summer months. As we transition into early fall, those enjoying the warm weather should be particularly cautious, as September shares the same UV intensity as August. For anyone looking to enjoy outdoor activities during this month, staying informed about the UV Index is crucial. For detailed information and updates, visit the My Tho UV Index.

Maximum UV Index Levels in My Tho for September

The chart shows the monthly maximum UV Index (UVI) for My Tho 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 My Tho typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101316141413131414131110
Data source: My Tho 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 My Tho

September in My Tho, Vietnam, sees 274 hours of sunshine, painting a picture of gently fading summer warmth. As we transition from the peak of the summer months, where July and August enjoyed a robust 289 and 288 hours respectively, the sunlight begins to wane, subtly signaling the approach of autumn. This decrease is part of a broader trend, as the sunny days tend to peak in the first half of the year, notably reaching a high of 330 hours in March, before gradually tapering off. October continues this trend with 260 hours of sunlight. Despite the decline, September still offers ample sunshine—perfect for exploring the vibrant local culture and the lush surroundings that thrive in this climatic dance.

Monthly Sunshine Duration in My Tho: September Highlighted

The September sunshine duration represents the total number of hours My Tho 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.
JanFebMarAprMayJunJulAugSepOctNovDec254h298h330h316h312h277h289h288h274h260h278h299h
Data source: My Tho September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in My Tho During September

When it comes to enjoying sunny weather in My Tho, Vietnam, September is typically not the month to count on for bright skies, with a mere 9% chance of sunshine. This steep decline follows a gradual decrease in sunny days throughout the summer months, where the chances plummet from 17% in July to 15% in August. Interestingly, as the seasons transition, February and March offer the most optimism for sun seekers, boasting chances of 47% and 50% respectively. Overall, the likelihood of sunny weather in September marks a significant low point in the year, signaling a shift towards the wetter months that follow. Thus, while sunlit days may be rare in this late summer period, early fall in My Tho often brings relief in the form of refreshing rain.

Percentage of Sunny Days in September in My Tho

The chart illustrates the percentage of sunny days in My Tho 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 My Tho experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%47%50%34%30%27%17%15%9%7%14%23%
Data source: My Tho September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in My Tho in September

In My Tho, Vietnam, the month of September maintains a delightful consistency with 12 hours of daylight, mirroring the preceding months of June, July, and August. This steady pattern reflects a warm and tropical climate, where daylight hours are comparatively balanced throughout the year. As the calendar transitions from the vibrant summer to the more subdued autumn months, daylight duration begins to dip slightly in October, settling to 11 hours. This gradual ebb leads to a more restful rhythm, offering glimpses of nature rebalancing. Overall, September embodies a perfect blend of light and warmth, setting the stage for the cozy months ahead.

Average Daylight Hours in My Tho for September

The chart illustrates the variation in daylight duration in My Tho throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 38m12h 25m12h 9m11h 52m11h 38m11h 31m
Data source: My Tho daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in My Tho

As September graces My Tho, Vietnam, the breeze carries a gentle whisper with an average wind speed of 2.1 m/s (5 mph), reflecting a consistent pattern seen throughout the year. Since the beginning of the year, the wind speed has experienced a gradual rise, peaking in March at 2.9 m/s (6 mph) before cooling slightly in the late summer months. Throughout September, this soothing ventilation remains steady, mirroring the calmness of the post-monsoon transition. Encapsulated within these tranquil winds, one can sense the shifting rhythm of nature, where the promise of change lingers in the air, leading the way to the cooler months ahead.

Average September Wind Speed in My Tho

The chart displays monthly wind speed patterns in My Tho, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.82.22.92.12.12.62.72.32.1 m/s2.12.11.9
Data source: My Tho September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in My Tho Compares to Other Months

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

September and January display distinct differences in weather patterns. September is characterized by higher temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), alongside significant precipitation of 272 mm (10.7 in) spread over 27 days, resulting in high humidity levels of 89%. In contrast, January experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 33°C (92°F). Additionally, January has a much drier climate, receiving only 42 mm (1.6 in) of rainfall over just 6 days, leading to a comfortable humidity of 65%. For more details on January weather, check My Tho weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), with an average of 27°C (82°F). This month is characterized by significant rainfall, with precipitation totaling 272 mm (10.7 in) over 27 days and a high humidity level of 89%. In contrast, February features milder temperatures, with a minimum of 21°C (69°F), a maximum of 33°C (91°F), and an average of 27°C (80°F). Precipitation is minimal, at just 17 mm (0.7 in) over only 3 days, alongside a much lower humidity level of 61%. For more insights, check out My Tho weather in February.

In September, the weather features a warm tropical climate with average temperatures around 27°C (82°F) and highs reaching 34°C (94°F). However, it's notably marked by high precipitation, with 272 mm (10.7 in) of rain falling over 27 days and humidity levels at a steamy 89%. In contrast, March offers slightly cooler conditions, with an average temperature of 28°C (83°F) and a maximum of 35°C (95°F). The month is much drier, experiencing only 17 mm (0.7 in) of rain over just 4 days, accompanied by a more comfortable humidity level of 58%. For a closer look at the weather specifics in March, visit My Tho weather in March.

In September, the weather is characterized by a warm temperature range with minimums around 24°C (76°F) and maximums reaching up to 34°C (94°F), averaging 27°C (82°F). However, this month also experiences significant rainfall, with 272 mm (10.7 in) of precipitation spread over 27 days, and a high humidity level of 89%. In contrast, April offers slightly higher average temperatures, peaking at 35°C (96°F) and averaging 29°C (84°F), while maintaining a similar minimum temperature of 24°C (76°F). Precipitation in April is much lower, with only 85 mm (3.3 in) falling over just 12 days, and the humidity drops to a more comfortable 60%. For more detailed insights on weather conditions during April, check My Tho weather in April.

In September, temperatures in My Tho range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), with an average of 27°C (82°F). The month sees significant rainfall, totaling 272 mm (10.7 in) over 27 days, accompanied by high humidity levels at 89%. In contrast, May experiences slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 37°C (98°F), averaging 29°C (84°F). Although May has less precipitation at 218 mm (8.6 in) across 24 days, it still maintains a high humidity level of 80%. For a more detailed comparison of May weather in My Tho, check out My Tho weather in May.

Both September and June showcase warm temperatures, with September averaging 27°C (82°F) and June slightly warmer at 28°C (83°F). The maximum temperatures are also similar, reaching 34°C (94°F) in September and 35°C (95°F) in June. However, September experiences more precipitation with 272 mm (10.7 in) compared to June's 223 mm (8.8 in), although both months have rainfall on about 27 days. Humidity levels are high in both months, with September at 89% and June at 87%, contributing to a muggy atmosphere. For more detailed information, check out My Tho weather in June.

In comparing the weather between September and July, both months exhibit similar temperature ranges, with September having a minimum of 24°C (76°F), an average of 27°C (82°F), and a maximum of 34°C (94°F), closely mirroring July's figures of a minimum of 24°C (75°F), an average of 28°C (82°F), and the same maximum temperature. However, September experiences a slight increase in precipitation, totaling 272 mm (10.7 in) over 27 days, compared to July, which sees 277 mm (10.9 in) of rain across 28 days. Humidity levels remain consistent at 89% for both months, creating a similarly muggy atmosphere. For more detailed information, you can explore My Tho weather in July.

In comparing the weather between August and September, both months share similar temperature ranges, with minimums around 24°C (76°F), averages of approximately 27-28°C (82°F), and maximums reaching 34°C (94°F). However, September experiences slightly less precipitation, totaling 272 mm (10.7 in) over 27 days, compared to August's 295 mm (11.6 in) over 29 days. Humidity remains relatively stable, with September at 89% and August at 90%. For more detailed insights, you can check My Tho weather in August.

In September, temperatures in My Tho typically range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), with an average of 27°C (82°F). The month sees significant precipitation, totaling 272 mm (10.7 in) spread over 27 days, coupled with high humidity levels at 89%. In contrast, October experiences slightly cooler temperatures with a minimum of 23°C (75°F) and a maximum of 33°C (93°F), while the average remains the same at 27°C (81°F). However, October is wetter, with precipitation reaching 320 mm (12.6 in) over 28 days, and humidity slightly decreases to 87%. For more detailed weather information about October in My Tho, please visit My Tho weather in October.

In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average of 27°C (82°F), reaching a maximum of 34°C (94°F). This month also experiences significant rainfall, totaling 272 mm (10.7 in) over 27 days, contributing to a high humidity level of 89%. In contrast, November sees slightly cooler weather, with a minimum of 21°C (70°F) and the same average of 27°C (81°F), but a similar maximum of 34°C (93°F). Rainfall decreases to 188 mm (7.4 in) spread across 19 days, resulting in a slightly lower humidity of 87%. Overall, November offers a more comfortable climate with less precipitation compared to September. For a detailed look at the weather specifics, check My Tho weather in November.

In September, the weather typically features warmer temperatures, with minimums around 24°C (76°F) and maximums reaching up to 34°C (94°F). The month is characterized by high humidity at 89% and substantial rainfall, totaling 272 mm (10.7 in) over 27 days. In contrast, December brings milder temperatures, with a minimum of 19°C (67°F) and a maximum of 32°C (90°F), along with significantly less precipitation of 83 mm (3.3 in) over just 11 days. Humidity levels also decrease to 80%, making December feel somewhat drier and more comfortable compared to the humid conditions of September. For more specifics on local conditions, refer to My Tho weather in December.

Compare My Tho's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in My Tho

As September rolls into My Tho, the weather stands out with its high humidity levels and frequent rainfall, distinguishing it from the drier months that precede it. Average temperatures hover comfortably at 27°C, but the maximum heat can reach a sweltering 34°C, making for a humid atmosphere that feels even warmer. With 272 mm of precipitation over 27 days, this month experiences a significant uptick in rainfall, offering a lush backdrop of greenery. While other months may boast clearer skies and less moisture, September’s tropical charm envelops the city in a vibrant, refreshing embrace. For more details on the weather patterns throughout the year, visit My Tho Climate.