Last updated: August 31, 2025
September in Mawlamyine, Myanmar showcases a tropical climate marked by high humidity and substantial rainfall. The average temperature hovers around 28°C (82°F), with daytime highs reaching up to 35°C (96°F) and nighttime lows dipping to 24°C (75°F). This month is characterized by significant precipitation, accumulating 443 mm (17.4 in) over 28 rainy days, creating a lush, vibrant landscape. Visitors should prepare for a humid ambiance, with humidity levels soaring to 84%, making September a quintessential rainy season in this picturesque coastal city.
In Mawlamyine, Myanmar, September marks the transition towards cooler temperatures as the monsoon season draws to a close. This month sees minimum temperatures lingering around 24°C (75°F), with an average of 28°C (82°F), and maximums reaching up to 35°C (96°F). While it's still warm, these temperatures are a slight reprieve from the sweltering heat experienced in the preceding months, where maximums approached 40°C. The gradually decreasing daytime heat combined with increasing humidity creates a unique ambiance, perfect for exploring the vibrant local culture and natural beauty. Overall, September offers a blend of warmth and emerging comfort, making it an inviting time to visit this picturesque region.
September in Mawlamyine, Myanmar, sees a significant reduction in rainfall compared to the preceding months, yet it still receives a substantial 443 mm (17.4 in) of precipitation over 28 days. This marks a notable shift from the heavy downpours of June, July, and August, where the region experienced nearly continuous rain. As the monsoon season begins to wane, September offers a transitional period, characterized by fewer intense storms and moments of respite from the relentless humidity. Although the rainfall is still considerable, the shift in precipitation pattern suggests a gradual move towards drier conditions as the year progresses into October and November, where totals drop sharply. This dynamic pattern highlights Mawlamyine's tropical climate, where moody monsoons give way to calmer post-monsoon months.
Mawlamyine experiences a noteworthy shift in humidity throughout the year, with September standing out as a month of significant moisture. After the peak of 87% in August, humidity remains high at 84% in September, continuing the trend of elevated levels that characterize the rainy season. This spike in humidity, beginning in May and lasting through the fall, contrasts sharply with the drier months of January through April, where humidity levels hover around the mid-40s to low-50s. As the year transitions into October, humidity begins to decline, yet it remains elevated compared to the earlier months, emphasizing the region's tropical climate and its seasonal variations.
In September, Mawlamyine, Myanmar, experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This month marks a slight dip from the peak levels observed in the preceding summer months, which consistently hovered around 14. However, the extreme UV exposure remains significant, mirroring the pattern seen throughout the year, especially from February to August. As the seasons transition, it’s crucial to stay vigilant and protect your skin, as the sun's rays continue to pack a punch. For more insights and details on the UV index throughout the year, visit Mawlamyine UV Index.
UV Risk Categories
September in Mawlamyine, Myanmar, brings a delightful shift in sunshine, with 236 hours of radiant daylight illuminating the landscape. This month marks an upswing after the summer's declining sunshine, as June, July, and August experienced significantly lower totals, peaking at just 145 hours in August. As temperatures begin to cool and the scenery transitions towards the end of the monsoon season, the September sun offers a welcomed warmth. The light shifts into the more generous totals of the following months, setting the stage for a vibrant October and beyond, where residents will embrace the sun's return with 293 hours awaiting them.
In Mawlamyine, Myanmar, September is notably one of the least likely months to enjoy sunny weather, with a mere 8% chance of sunshine. This stark decline follows a peak in brightness during the early months of the year, where January boasts a 78% likelihood of sun, reaching a high of 81% in February. As the year progresses into the sweltering summer months, the chance of clear skies diminishes significantly, culminating in the rains that characterize both September and the preceding months of June, July, and August. Residents and visitors can expect a return to sunnier days in October, where the likelihood rises to 25%, but for those in September, it’s best to prepare for the clouds and occasional downpours that this month typically brings.
In Mawlamyine, Myanmar, September marks a continuation of the consistent daylight hours that characterize the region's tropical climate. With 12 hours of daylight, this month mirrors the lengths seen in the preceding summer months of June, July, and August, where the sun often shines brightly for longer durations. This balance in daylight is a contrast to the shorter days of January, February, October, November, and December, each averaging 11 hours. As the year progresses, it's fascinating to observe that the peak daylight is concentrated in the summer months, providing a vibrant backdrop for the lush landscapes and cultural richness of Mawlamyine. The steady 12-hour stretch in September not only signifies a transition towards the cooler months but also enhances the opportunities for exploration and community activities during this inviting period.
In Mawlamyine, Myanmar, September typically ushers in a gentle breeze, with an average wind speed of 1.6 m/s (4 mph), slightly lower than the peak levels experienced in the earlier summer months. This month stands out as a transitional period, as the winds gradually taper off from the more vigorous gusts of July, where speeds reached 2.3 m/s (5 mph). Following this trend, October presents an even softer current, dropping to 1.4 m/s (3 mph). The overall pattern shows that while Myanmar's climate can fluctuate, September maintains a serene atmosphere ideal for enjoying the lush surroundings and the onset of the cooler months ahead.
Weather in Mawlamyine varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mawlamyine, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by higher temperatures, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at a scorching 35°C (96°F). The month also experiences significant rainfall, totaling 443 mm (17.4 in) over 28 days, and high humidity levels of 84%. In contrast, January offers a milder climate, featuring a minimum temperature of 16°C (61°F) and an average of 27°C (80°F), with maximum temperatures reaching 36°C (98°F). Precipitation drops dramatically to just 8 mm (0.3 in) over a single day, accompanied by a much lower humidity of 51%. For more detailed insights, you can check the Mawlamyine weather in January.
September and February showcase distinctly different weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 35°C (96°F), with an average temperature of 28°C (82°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 443 mm (17.4 in) over 28 days. In contrast, February offers a milder climate with temperatures dipping to a minimum of 17°C (62°F) and peaking at 39°C (103°F), while averaging 27°C (81°F). The precipitation in February is drastically lower, with only 2 mm (0.1 in) of rain and no rainy days, and the humidity is considerably lower at 48%. For more details on February's weather, you can check Mawlamyine weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). This month also experiences significant rainfall, totaling 443 mm (17.4 in) over 28 days, accompanied by high humidity levels at 84%. Conversely, March boasts warmer temperatures with a minimum of 20°C (67°F) and a maximum of 40°C (105°F), averaging 29°C (85°F). Notably, this month sees minimal precipitation at just 7 mm (0.3 in) over only 2 days, and humidity drops to a much drier 45%. For more detailed information, you can view Mawlamyine weather in March.
When comparing the weather in September and April, distinct differences emerge. September features a warmer temperature range, with average highs around 28°C (82°F), but is marked by significantly higher humidity at 84% and substantial rainfall of 443 mm (17.4 in) over 28 days. In contrast, April presents warmer average temperatures, peaking at 30°C (87°F) with maximums soaring up to 40°C (105°F), yet it enjoys much lower humidity at 49% and considerably less precipitation, totaling only 59 mm (2.3 in) across 12 days. For more detailed insights, you can explore Mawlamyine weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures, but May generally feels hotter, with average temperatures reaching up to 30°C (86°F) and maximum temperatures soaring to 40°C (104°F). In contrast, September has slightly lower average temperatures of 28°C (82°F), with a maximum of 35°C (96°F). However, September is characterized by significantly higher precipitation, with 443 mm (17.4 in) over 28 days, compared to May's 262 mm (10.3 in) across 26 days. Additionally, humidity levels are higher in September at 84%, while May enjoys a more comfortable 71%. For more details on May weather patterns, visit Mawlamyine weather in May.
September and June exhibit similar temperature ranges, with both months featuring a minimum of 24°C (75°F), an average of 28°C (82°F), and a maximum temperature of around 35°C (96°F for September and 95°F for June). However, June experiences significantly higher precipitation, with 608 mm (23.9 in) over 30 days compared to September's 443 mm (17.4 in) over 28 days. The humidity levels remain consistent at 84% for both months, contributing to the tropical atmosphere. For more detailed insights, visit Mawlamyine weather in June.
In comparing the weather between July and September, both months exhibit high minimum temperatures around 24°C (75°F) with a similar humidity level of 84%. However, September tends to be slightly warmer overall, with an average temperature of 28°C (82°F) compared to July's average of 27°C (81°F), and a maximum temperature reaching 35°C (96°F) versus July's maximum of 34°C (94°F). Precipitation varies considerably, with July experiencing a higher rainfall total of 717 mm (28.2 in) across 30 days, while September sees 443 mm (17.4 in) over 28 days. For more detailed insights on July weather, you can refer to Mawlamyine weather in July.
In comparing the weather of September and August, both months exhibit warm temperatures, but September is slightly warmer overall. September features minimum temperatures of 24°C (75°F) and an average of 28°C (82°F), with a maximum reaching up to 35°C (96°F), whereas August has a similar minimum of 24°C (75°F) but a slightly lower average of 27°C (81°F) and a maximum of 34°C (93°F). Notably, September experiences significantly less rainfall, with 443 mm (17.4 in) over 28 days, compared to August's 733 mm (28.9 in) over 30 days. Additionally, while September's humidity averages around 84%, August is a bit muggier at 87%. For more details about the climate specifics, check out Mawlamyine weather in August.
In comparing the weather between September and October, September experiences slightly lower average temperatures, with a minimum of 24°C (75°F) and a maximum of 35°C (96°F), while October sees a rise in average temperature with a maximum reaching 37°C (98°F). Additionally, the humidity decreases significantly from 84% in September to 71% in October, making the air feel more comfortable. Precipitation also drops considerably, with September receiving 443 mm (17.4 in) over 28 days compared to October's 205 mm (8.1 in) over just 21 days. For more details, you can check out the Mawlamyine weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F), averaging 28°C (82°F), and peaking at a high of 35°C (96°F). This month also experiences significant rainfall, accumulating 443 mm (17.4 in) over 28 days, leading to high humidity levels at 84%. In contrast, November sees slightly cooler temperatures with a minimum of 21°C (70°F) and an average of 29°C (84°F), but it can reach up to 37°C (98°F) at times. Precipitation dramatically decreases to just 16 mm (0.6 in) across only 6 days, resulting in much lower humidity at 62%. For further details on the weather during this month, check out Mawlamyine weather in November.
In September, the weather is characterized by high temperatures with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 35°C (96°F). Additionally, this month experiences significant rainfall, totaling 443 mm (17.4 in) over 28 days and a humidity level of 84%, creating a humid and wet environment. In contrast, December offers milder temperatures, with a minimum of 15°C (59°F), an average of 27°C (80°F), and a maximum of 36°C (98°F). Notably, December has a stark reduction in precipitation, with only 4 mm (0.2 in) over just 1 day and a humidity of 55%, resulting in a much drier climate. For more detailed weather information, you can visit Mawlamyine weather in December.
As September arrives in Mawlamyine, the weather showcases a distinct transition with its notably high humidity and frequent precipitation, setting it apart from the drier months. Temperatures remain warm, averaging a comfortable 28°C, but can peak at a sweltering 35°C during the day. With rains pouring on nearly every day of the month, this period marks one of the wettest times of the year, creating a lush and vibrant landscape. For those looking to understand the full spectrum of Mawlamyine's climate and how September contributes to its unique weather patterns, visit Mawlamyine Climate.