Last updated: August 21, 2025
September in Comilla, Bangladesh offers a blend of warm temperatures and significant rainfall. The maximum temperature peaks at 36°C (97°F), while the average hovers around 29°C (84°F), providing a tropical climate that can feel quite humid, with humidity levels reaching 82%. Rainfall is a prominent feature this month, totaling 256 mm (10.1 in), spread across approximately 25 days. This combination of warmth and moisture paints a picture of a lush, vibrant environment, typical of the monsoon season. Whether you’re exploring the local culture or enjoying the natural beauty, September showcases Comilla's dynamic weather, making it a unique time to experience this charming region.
In September, Comilla experiences a warm and humid climate, with temperatures that typically range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), maintaining an average of 29°C (84°F). This month marks a subtle transition from the sweltering heat of summer to the cooler months ahead, with nighttime temperatures remaining relatively comfortable. Compared to the preceding months, September’s warmth is consistent, but it signals the gradual onset of the monsoon's tail end, leading to a bit of relief in the oppressive summer heat. As the rains taper off, humidity levels can still feel high, yet the overall trend indicates a preparation for the cooler, more pleasant October temperatures on the horizon.
September marks a notable transition in Comilla, Bangladesh, characterized by a significant uptick in precipitation, with the month receiving 256 mm (10.1 in) of rain over 25 days. This continued trend of abundant rainfall, following the monsoon peak in July and August, underscores the region's wettest months as summer gives way to the lush greenery of autumn. While earlier months like June and July display even higher levels of precipitation, September's substantial rainfall supports the bustling agricultural activities typical of this season. This persistent moisture not only nourishes the landscape but also provides a vital water source, maintaining the cycle of growth as Comilla prepares for the drier months ahead.
In September, Comilla, Bangladesh experiences a notable spike in humidity, reaching 82%, which marks the peak of the year's humid conditions. This increase follows a gradual rise that begins in the typically drier months of March and April, where humidity levels hover around 41% and 45% respectively. As the year progresses toward the monsoon season, humidity escalates sharply, peaking in July at 81%, and maintains a high level through August and September. The transition into October sees a slight decline to 78%, yet the humid atmosphere remains a defining characteristic of this time of year, illustrating the region's tropical climate and the significant impact of the monsoon.
In September, Comilla, Bangladesh experiences a UV Index of 12, categorized as extreme. This level indicates that the sun's rays can be particularly harsh, necessitating proactive skin protection with a burn time of just 10 minutes. Interestingly, this marks a slight decrease from the peak UV Index of 13 observed from June through August, highlighting a gradual shift as the region transitions into the cooler months. The trend throughout the year showcases a significant rise in UV levels from January to May, peaking during the summer months, before tapering off in October and November. Staying informed about the UV Index can help residents and visitors enjoy the outdoors safely. For more details, check Comilla UV Index.
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September in Comilla, Bangladesh, shines with an impressive 276 hours of sunlight, maintaining the region’s trend of abundant brightness as the year transitions into the autumn months. This month follows a sumptuous summer, where sunshine peaked at 323 hours in May, creating a rich tapestry of warm, vibrant days. After a slight dip in June and July, September still holds its ground by delivering more sunlight than the preceding months of April and August. This gentle decline in daily sunshine from the summer’s height points to the natural rhythm of the seasons, hinting at the cooler days ahead while still allowing ample opportunity to revel in the golden glow of the sun. As Comilla’s residents enjoy the soft September rays, they can reflect on a year that remains generous in its embrace of warmth and light.
In Comilla, Bangladesh, the likelihood of sunny weather in September is relatively low at just 14%, marking a significant drop from the vibrant sunshine typically seen earlier in the year. Following a trend of decreasing sunlight from late spring through the summer months—where June, July, and August see the sun shining only about 9%, 4%, and 6% of the time—September offers only a slight glimmer of improvement. As the monsoon season begins to recede, the chances of sunny days slowly rise, but they remain overshadowed by extended periods of cloudiness and rain. This pattern of fluctuating sunshine underscores the transition from the sultry summer towards a more balanced weather system in the months to come, culminating in the sunniest stretches seen in October and beyond, where chances rebound to a brighter 50%.
In Comilla, Bangladesh, the rhythm of daylight gradually transforms throughout the year, creating a vibrant tapestry of light and shadow. September stands out with 12 hours of daylight, mirroring the previous month and showcasing a slight decline from the longer days of summer. As the year progresses, daylight hours peak in May, offering 13 hours of sunshine, before tapering off as the days grow shorter in October and November. This gradual shift not only marks the transition from the warmth of summer to the coolness of fall but also reflects the dynamic changes in nature that locals embrace throughout the seasons.
In September, the winds in Comilla, Bangladesh, calm down to an average speed of 1.9 m/s (4 mph), mirroring the gentle breeziness of January. This marks a notable decline from the summer months, where gusts reached a peak in June at 3.5 m/s (8 mph). The month of September, nestled between a vibrant rainy season and the onset of cooler weather, tends to embrace a tranquil atmosphere, providing a refreshing backdrop for the region's lush greenery. As the year progresses into the fall, this slight dip in wind speed suggests a transition, leading towards the stiller months of October and November, further emphasizing the serene charm of Comilla's landscapes as the weather turns.
Weather in Comilla varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Comilla, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase a striking contrast in weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a scorching maximum of 36°C (97°F), with an average of 29°C (84°F). This month is characterized by high humidity at 82% and significant rainfall of 256 mm (10.1 in) across 25 days, creating a sultry atmosphere. In stark contrast, January brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 30°C (87°F), averaging 18°C (65°F). This winter month experiences minimal precipitation, with only 7 mm (0.3 in) over just one day, and a lower humidity level of 57%. For a detailed overview of January's conditions, you can explore Comilla weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a minimum of 24°C (76°F) to a sizzling maximum of 36°C (97°F), with an average temperature of 29°C (84°F). This month also sees significant rainfall, with 256 mm (10.1 in) falling over 25 days, contributing to a high humidity level of 82%. In contrast, February offers a much cooler climate, with temperatures dipping to a minimum of 8°C (46°F) and averaging 21°C (70°F), peaking at 34°C (93°F). The month is characterized by minimal precipitation of just 6 mm (0.3 in) over 2 days, and a lower humidity of 50%. For more detailed insights on February weather, visit Comilla weather in February.
In September, the weather is characterized by warm temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). This month sees significant rainfall, with 256 mm (10.1 in) of precipitation spread over 25 days and high humidity at 82%. Conversely, March offers milder conditions with temperatures starting at a minimum of 13°C (56°F) and peaking at 37°C (98°F), averaging 26°C (79°F). March is much drier, receiving only 44 mm (1.8 in) of precipitation over just 6 days and featuring lower humidity at 41%. For more details on March weather, visit Comilla weather in March.
In comparing the weather of September and April, September tends to be warmer and wetter. With an average temperature of 29°C (84°F) and maximums reaching up to 36°C (97°F), September experiences significant humidity at 82%. Additionally, it sees considerable rainfall, accumulating 256 mm (10.1 in) over 25 days. In contrast, April's climate features a slightly lower average temperature of 28°C (83°F), with peaks of up to 39°C (103°F), but it enjoys much lower humidity at 45% and less precipitation, totaling 183 mm (7.2 in) across 16 days. For more detailed information about the weather patterns in April, you can refer to Comilla weather in April.
September typically experiences slightly higher humidity levels at 82%, contributing to a more oppressive atmosphere compared to May, which has a more comfortable humidity of 69%. While both months share the same average temperature of 29°C (84°F), September's maximum temperature tends to be lower at 36°C (97°F) compared to May's peak of 39°C (102°F). Additionally, September witnesses more frequent rainfall, with precipitation occurring over 25 days and totaling 256 mm (10.1 in), while May has slightly less, at 236 mm (9.3 in) over 19 days. For more detailed insights into the weather patterns of May, you can check Comilla weather in May.
September and June exhibit distinct weather characteristics, despite having similar minimum temperatures. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) with an average of 29°C (84°F). This month experiences substantial rainfall, totaling 256 mm (10.1 in) over 25 days, accompanied by high humidity at 82%. In contrast, June has a similar minimum temperature of 24°C (75°F) and a slightly lower average of 28°C (84°F), but it sees significantly more precipitation at 415 mm (16.3 in) across 28 days, with humidity levels at 72%. For a more detailed look at the June weather, you can visit Comilla weather in June.
When comparing the weather in September and July, we see some distinct differences and similarities. September has a minimum temperature of 24°C (76°F) and an average of 29°C (84°F), while July's temperatures are slightly lower on average, with a minimum of 23°C (74°F) and an average of 28°C (84°F). However, July reaches a maximum of 37°C (99°F), slightly higher than September's peak of 36°C (97°F). Precipitation is more significant in July, with 342 mm (13.5 in) over 30 days compared to September's 256 mm (10.1 in) over 25 days. Humidity levels are fairly similar, with September at 82% and July slightly lower at 81%. For more detailed information, you can check Comilla weather in July.
September's weather is quite similar to August, with average temperatures remaining steady at 29°C (84°F) and maximums reaching up to 36°C (97°F) on both months. However, September is slightly cooler at night, with a minimum temperature of 24°C (76°F) compared to August's 25°C (78°F). Rainfall increases in September, totaling 256 mm (10.1 in) across 25 days, while August sees slightly less precipitation at 244 mm (9.6 in) over 28 days. Additionally, September experiences higher humidity levels at 82%, compared to August’s 78%. For further details, you can check Comilla weather in August.
September typically experiences warmer temperatures with a minimum of 24°C (76°F) and an average of 29°C (84°F), reaching highs of 36°C (97°F). This month is also characterized by high humidity levels at 82% and significant rainfall, averaging 256 mm (10.1 in) over 25 days. In contrast, October sees a slight decrease in temperature, with minimums dropping to 19°C (67°F) and an average of 28°C (82°F), while still peaking at a maximum of 36°C (98°F). Rainfall decreases to 182 mm (7.1 in), occurring over 17 days, and humidity slightly lowers to 78%. For more detailed insights into October weather, you can check Comilla weather in October.
In September, the weather is characterized by high temperatures, with a minimum of 24°C (76°F) and an average of 29°C (84°F), reaching a maximum of 36°C (97°F). This month also experiences significant rainfall, averaging 256 mm (10.1 in) over 25 days, contributing to a high humidity level of 82%. In contrast, November brings a noticeable drop in temperature, with a minimum of 14°C (57°F), an average of 24°C (75°F), and a maximum reaching 33°C (92°F). Precipitation in November decreases dramatically to just 34 mm (1.3 in) over 3 days, leading to lower humidity levels of 68%. For more specific insights on the weather in November, you can visit Comilla weather in November.
In September, the weather is characterized by high temperatures, with an average of 29°C (84°F) and peaks reaching up to 36°C (97°F). The month experiences significant rainfall, totaling 256 mm (10.1 in) over approximately 25 days, accompanied by high humidity levels at 82%. In contrast, December brings much cooler temperatures, with an average of 19°C (67°F) and a maximum of 31°C (87°F). Precipitation drops dramatically to just 49 mm (1.9 in) over only 3 days, and humidity decreases to 64%. This stark difference highlights the transition from the wet, warm conditions of September to the cooler and drier climate of December. For more specific details, you can visit Comilla weather in December.
As September arrives in Comilla, the weather showcases a unique blend of warmth and moisture that sets it apart from other months. With maximum temperatures soaring to 36°C (97°F), the days can feel quite hot, but the average temperature of 29°C (84°F) maintains a tropical feel. Frequent rains, totaling 256 mm (10.1 in) over 25 days, bring much-needed relief from the heat and enhance the lushness of the landscape. This month is characterized by a high humidity of 82%, intensifying the tropical ambiance. While many places are drying out, Comilla remains vibrantly green and lively, making September a truly distinct time of year. For a deeper dive into the climatic conditions of the region, check out Comilla Climate.