September Weather in Myeik, Myanmar

Last updated: August 31, 2025

In September, Myeik, Myanmar, experiences a warm and humid climate, characterized by maximum temperatures reaching up to 34°C (94°F) and an average of 27°C (81°F), ensuring that the region retains its tropical charm. The minimum temperature rarely dips below 23°C (74°F). This month witnesses substantial precipitation, with a staggering 644 mm (25.4 in) of rain falling over 29 days, making it one of the wettest periods of the year. With an average humidity of 87%, visitors can expect a lush, green landscape, though they should be prepared for frequent downpours that add to Myeik's vibrant atmosphere.

September Temperature in Myeik

In September, Myeik, Myanmar, experiences a subtle transition in temperatures as the monsoon season progresses. With minimum temperatures hovering around 23°C (74°F) and a maximum peaking at 34°C (94°F), the daily averages settle at a comfortable 27°C (81°F). This month marks a slight dip from the summer highs common in April, yet retains a warm ambiance, making it an appealing time for visitors. While the humidity may be on the rise, the overall temperatures maintain a pleasant level, ensuring that September remains a transition month, gradually shifting towards the cooler, drier climate of late fall. The combination of warm days and cooler nights provides a lovely backdrop for exploration, allowing for enjoyable outdoor activities amidst the lush, vibrant landscapes.

September Weather in Myeik: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Myeik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Myeik, 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).
JanFebMarAprMayJunJulAugSepOctNovDec828384848382818081818281
Data source: Temperature data for Myeik 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 Myeik

In September, Myeik, Myanmar, experiences a significant dip in precipitation compared to the torrential rains of the preceding months, yet it remains a noteworthy part of the monsoon season. With 644 mm (25.4 in) of rain falling over 29 days, September is the tail end of a wet cycle that peaks in August with its record 705 mm (27.8 in). As the month progresses, the heavy downpours begin to wane, signaling the transition into October, where precipitation decreases further to 440 mm (17.3 in). This gradual reduction in rainfall showcases the diminishing intensity of the monsoon, shifting from the incessant rains of mid-year to the dryer months ahead, while still offering a backdrop of lush greenery and a refreshing atmosphere across the region.

September Precipitation Trends in Myeik

The chart displays monthly precipitation patterns in Myeik, 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 Myeik, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec69397618039857565570564444012135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Myeik

In September, Myeik, Myanmar experiences a notable humidity level of 87%, which reflects the lingering effects of the monsoon season. This month is characterized by high moisture in the air, following the peak of August's impressive 90% humidity. As the year progresses, the data shows a clear trend of rising humidity from the drier months of early January (58%) to April (69%), culminating in a peak during summer months. After September, humidity begins to taper off, dropping to 83% in October and further declining in the following months. This overall pattern highlights Myeik's tropical climate, with humid conditions that significantly influence the region's weather and environment throughout the year.

September Average Humidity in Myeik

This chart illustrates the average monthly humidity levels in Myeik, 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 Myeik is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%59%62%69%79%87%89%90%87%83%77%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Myeik

In September, Myeik, Myanmar, continues to experience an extreme UV Index of 14, mirroring the values from the preceding months. This trend of intense UV exposure is a hallmark of the region, with a consistent burn time of just 10 minutes throughout the year from January to October. Remarkably, while January starts at a slightly lower index of 11, the numbers escalate through the months, peaking at 15 in May before stabilizing again at 14 during September. As the daylight hours start to shift with the approaching end of the year, it’s critical for both locals and visitors to remain vigilant about sun protection. For more details on UV levels, check out the Myeik UV Index.

Maximum UV Index Levels in Myeik for September

The chart shows the monthly maximum UV Index (UVI) for Myeik 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 Myeik typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414151414141413119
Data source: Myeik 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 Myeik

September in Myeik, Myanmar, ushers in a gentle transition as the last month of the monsoon season, characterized by 222 hours of sunshine. While this marks a dip from the radiant highs of March and April, which bask in over 330 hours each, it still presents a brighter alternative to the rain-soaked months that precede it. Interestingly, September’s sunshine begins to hint at the upcoming dry season, encouraging outdoor exploration and a respite from the heavy rains of mid-year. As the days gradually lengthen into October with 265 hours of sun, visitors can savor this serene period in Myeik, where the allure of soft golden rays beckons adventurers to discover the hidden gems of this vibrant coastal town.

Monthly Sunshine Duration in Myeik: September Highlighted

The September sunshine duration represents the total number of hours Myeik 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.
JanFebMarAprMayJunJulAugSepOctNovDec255h304h339h323h290h239h221h202h222h265h299h323h
Data source: Myeik September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Myeik During September

In Myeik, Myanmar, the likelihood of sunny weather in September is quite low, with only a 6% chance of sunshine this month. This steep decline follows a trend of diminishing sunny days as the monsoon season peaks from June to August, where the chances plummet to as little as 4%. After a brief respite in October, the likelihood slowly improves again in the months leading to December, hinting at a return to sunnier skies. If you're planning a visit in September, it’s advisable to embrace the vibrant greenery and moisture-laden atmosphere that the rains bring, rather than expecting bright, sunny days.

Percentage of Sunny Days in September in Myeik

The chart illustrates the percentage of sunny days in Myeik 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 Myeik experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%69%49%14%23%9%7%4%6%10%19%63%
Data source: Myeik September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Myeik in September

In Myeik, Myanmar, September continues the trend of consistent daylight, offering residents and visitors a generous 12 hours of sunlight each day. This steady duration reflects the region's tropical climate, where daylight remains relatively stable throughout the year. Following a period of longer days from March to August, September marks a seamless transition into the shorter days of October, which will see daylight reduced to 11 hours. With this balance of light, September serves as a perfect window for outdoor adventures, vibrant sunsets, and exploring the stunning landscapes of the region, as the lush environment begins to hint at the coming changes of the season.

Average Daylight Hours in Myeik for September

The chart illustrates the variation in daylight duration in Myeik throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 28m11h 43m12h 3m12h 23m12h 41m12h 49m12h 45m12h 30m12h 10m11h 49m11h 32m11h 23m
Data source: Myeik daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Myeik

In September, Myeik experiences a gentle breeze, with an average wind speed of 2.0 m/s (4 mph). This slight increase from the preceding months of August and July reflects a transition into the later part of the monsoon season, where winds begin to moderate. Throughout the year, wind speeds peak in July at 2.6 m/s (6 mph), while the calmest months are March and April. As we move towards October, the wind settles back to a lighter pace of 1.7 m/s (4 mph), highlighting a shift towards the cooler, drier months ahead. Overall, September’s winds herald the gradual changing of seasons, offering a refreshing contrast to the previous summer’s intensity.

Average September Wind Speed in Myeik

The chart displays monthly wind speed patterns in Myeik, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.81.41.31.62.12.62.22.0 m/s1.71.42.0
Data source: Myeik September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Myeik Compares to Other Months

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

September and January showcase notable differences in weather patterns. In September, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 34°C (94°F), with an average of 27°C (81°F). The month experiences significant precipitation, totaling 644 mm (25.4 in) over 29 days, coupled with a high humidity level of 87%. In contrast, January features slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 36°C (96°F), averaging 28°C (82°F). Precipitation drops dramatically to 69 mm (2.7 in) over just 7 days, and the humidity level decreases to a more comfortable 58%. For further details about January weather in Myeik, you can refer to Myeik weather in January.

In September, the weather tends to be hot and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (94°F) and an average of 27°C (81°F). This month also sees significant rainfall, with 644 mm (25.4 in) of precipitation spread over 29 days, resulting in a humidity level of 87%. In contrast, February offers a slightly cooler temperature range with minimums around 20°C (69°F) and maximums reaching 37°C (98°F), averaging at 28°C (83°F). Additionally, February experiences much less rainfall, totaling only 38 mm (1.5 in) over just 6 days, leading to a noticeable decrease in humidity at 59%. For a more detailed look at February weather in Myeik, check out Myeik weather in February.

When comparing the weather in September and March, there are notable differences in temperature and precipitation. September typically features warmer and more humid conditions, with an average temperature of 27°C (81°F), reaching a maximum of 34°C (94°F), and high humidity at 87%. It also experiences significant rainfall, with 644 mm (25.4 in) of precipitation over 29 days, making it one of the wetter months. In contrast, March tends to be hotter, with an average temperature of 29°C (84°F) peaking at 37°C (99°F), yet it is much drier, receiving only 76 mm (3.0 in) of rain across 12 days and lower humidity at 62%. For more specific insights into the March weather, you can visit Myeik weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September typically experiences milder temperatures with a minimum of 23°C and an average of 27°C, while April can soar to a maximum of 39°C, indicating a more intense heat with a higher average of 29°C. In terms of precipitation, September is significantly wetter, receiving 644 mm across 29 days, compared to April's 180 mm over 21 days. Additionally, the humidity is notably higher in September at 87%, while April's humidity levels are lower at 69%. For more details on April weather specifics, you can check Myeik weather in April.

When comparing the weather of September and May, both months exhibit warm temperatures, though May tends to be slightly hotter overall. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (94°F) with an average of 27°C (81°F). On the other hand, May records minimums of 24°C (76°F) and can reach up to 36°C (97°F), averaging around 28°C (83°F).

However, September sees significantly higher precipitation at 644 mm (25.4 in), which is more than the 398 mm (15.7 in) recorded in May. Both months experience rainfall on 29 days, but the humidity is also higher in September at 87%, compared to May's 79%. This difference showcases May as the hotter and drier month, while September offers a more humid and rainy experience. For a detailed look at the weather in May, you can refer to Myeik weather in May.

In comparing the weather patterns of September and June, both months exhibit similar temperature ranges, with June slightly warmer on average. September sees minimum temperatures of 23°C (74°F) and averages around 27°C (81°F), while June has a minimum of 24°C (75°F) and averages 28°C (82°F). Both months reach maximum temperatures of 34°C (94°F). However, September is significantly wetter, with 644 mm (25.4 in) of precipitation compared to June's 575 mm (22.6 in), despite both experiencing rainfall on 29 days. Humidity levels remain consistent at 87% in both months. For more detailed insights into June weather, you can check this link: Myeik weather in June.

In comparing the weather of September and July, both months showcase similar average temperatures, hovering around 27°C (81°F). However, September tends to be slightly warmer at its maximum temperature, reaching up to 34°C (94°F), while July peaks at 33°C (92°F). Despite this, rainfall is quite abundant in both months, with September receiving 644 mm (25.4 in) over 29 days and July experiencing just a bit more at 655 mm (25.8 in) across 30 days. Humidity levels are also comparable, with September at 87% and July slightly higher at 89%. For a more detailed look at July weather, you can visit Myeik weather in July.

In comparing the weather between August and September, we notice some interesting similarities and differences. Both months have similar average temperatures, with September having a slightly lower minimum of 23°C (74°F) compared to August's 24°C (75°F). However, September sees a marginally higher maximum temperature of 34°C (94°F), in contrast to August's peak at 33°C (92°F). When it comes to rainfall, September receives less precipitation at 644 mm (25.4 in) over 29 days, while August has a higher total of 705 mm (27.8 in) across 30 days, making it slightly wetter. Humidity levels are also high in both months, though September is a bit less humid at 87%, compared to August's 90%. For a detailed overview, you can check Myeik weather in August.

In September, the weather remains warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (94°F) and a high average of 27°C (81°F). However, this month is marked by significant rainfall, totaling 644 mm (25.4 in) over 29 days, contributing to a humidity level of 87%.

In contrast, October sees a slight decrease in precipitation, with 440 mm (17.3 in), while the temperatures remain consistent with a minimum of 23°C (74°F), an average of 27°C (82°F), and a maximum of 34°C (94°F). The humidity also drops slightly to 83%. This transition suggests a marginally drier and more comfortable climate, making October a preferable time for those looking to enjoy the outdoors. For a detailed look at the weather conditions in October, check out Myeik weather in October.

September and November showcase distinct weather patterns, with September typically experiencing warmer and more humid conditions. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (94°F), accompanied by significant rainfall of 644 mm (25.4 in) over 29 days and high humidity at 87%. In contrast, November offers slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 35°C (95°F). This month also benefits from substantially reduced rainfall, totaling 121 mm (4.7 in) over just 14 days and lower humidity at 77%. For more detailed information, you can check Myeik weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at a maximum of 34°C (94°F). This month is also marked by high humidity at 87% and substantial rainfall, receiving 644 mm (25.4 in) over 29 days. In contrast, December offers slightly cooler temperatures, with a minimum of 18°C (64°F) and a high of 35°C (96°F), but maintains the same average temperature of 27°C (81°F). December experiences significantly less precipitation, with only 35 mm (1.4 in) falling over just 5 days and a lower humidity level of 66%. For more details on the December weather, you can visit Myeik weather in December.

Compare Myeik's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Myeik

As September unfolds in Myeik, visitors can expect warm temperatures that range from a pleasant 23°C to a maximum of 34°C, making it markedly more humid than other months with a staggering 87% humidity. This time of year is characterized by frequent rainfall, accounting for 29 rainy days and a hefty total of 644 mm of precipitation, transforming the landscape into a lush oasis. Though the rain can be a challenge for outdoor activities, it brings a refreshing contrast to the heat, offering a unique glimpse into Myeik's vibrant nature. For more details on what to expect throughout the year, explore Myeik Climate.