Last updated: August 21, 2025
In September, Samdrup Jongkhar, Bhutan, experiences a captivating blend of climate characteristics, with temperatures peaking at 34°C (94°F) and averaging around 27°C (80°F), while dipping to a comfortable 21°C (70°F). This month is marked by substantial rainfall, accumulating to 358 mm (14.1 in) over 26 days, creating a lush, vibrant landscape. Humidity levels soar at a notable 92%, contributing to the area's tropical ambience, making September an ideal time for those seeking a refreshing, immersive climate experience in the heart of Bhutan.
In September, Samdrup Jongkhar experiences a delightful transition in temperatures, marking the tail end of the summer season. With minimums sitting at 21°C (70°F) and averages around 27°C (80°F), the days remain pleasantly warm, perfect for exploring the stunning landscapes of Bhutan. The maximum temperature peaks at 34°C (94°F), offering still comfortable conditions for outdoor activities. Compared to the preceding months, September shows a slight dip in daily highs, a gentle herald of the cooler autumn days ahead. Overall, this month embodies a harmonious blend of warmth and mildness, making it an ideal time to experience the vibrant culture and natural beauty of the region.
September in Samdrup Jongkhar sees a significant amount of rainfall, with 358 mm (14.1 in) recorded over 26 days. This volume reflects a slight decrease from the heavy monsoon rains of July and August, yet it still marks one of the wetter months of the year. As the monsoon begins to wane, the precipitation levels in September maintain a robust contribution to the region's water supply, crucial for agriculture and local ecosystems. While the rainfall diminishes from the peak of the rainy season, the sustained volume underscores the importance of September as a transitional month, paving the way for October's much drier spell.
In September, Samdrup Jongkhar experiences a notable humidity level of 92%, maintaining the high moisture trend established during the preceding months. Following the peak of 93% in July and 92% in August, this consistent humidity level marks the end of the monsoon season, where the atmosphere remains saturated with moisture. The rise from a lower 45% in April illustrates a significant change as the region transitions from the dry season into a more tropical climate. As the year progresses into autumn, humidity begins to decline slightly, with October showing a drop to 89%, but September stands as a testament to the lush, vibrant conditions characteristic of this time in Bhutan.
In September, Samdrup Jongkhar experiences a UV Index of 11, placing it in the extreme exposure category, with a burn time of only 10 minutes. As the monsoon season winds down, UV levels remain high, following a pattern observed since May, when the index peaked at 12. The region's UV intensity typically begins to decline in October, but September's rays still demand caution, particularly for outdoor activities. Regular protection and sun safety measures are essential during this month to mitigate potential skin damage. For detailed insights, explore more at Samdrup Jongkhar UV Index.
UV Risk Categories
In Samdrup Jongkhar, Bhutan, September continues the late-summer trend of ample sunshine, boasting 280 hours of bright, cheerful days. This figure, while slightly lower than the summer peak in March at 322 hours, showcases a resilient stretch of sunlight that’s characteristic of this picturesque locale. The sunshine begins to wane toward the cooler months, with October shining just a bit brighter at 305 hours. As the seasons transition, the hours of sunlight remain significant, particularly when compared to the earlier months, offering a perfect backdrop for outdoor adventures and cultural explorations before the winter sets in. Overall, the sunshine patterns highlight a gradual decline but retain a vibrant atmosphere, making September a delightful time for both locals and visitors to enjoy the beauty of Bhutan.
In Samdrup Jongkhar, Bhutan, the likelihood of sunny weather in September drops to 26%, marking a notable decrease from the sunnier months earlier in the year. This post-monsoon period sees a significant shift, with sunshine likelihood plummeting to its lowest point since May, as the rainy season transitions into drier months. Following a trend of reducing sunny days during the summer, September's weather remains somewhat unpredictable, contrasting sharply with the more favorable chances seen in preceding months like January and February, which boast sunny day percentages of 67% and 74%, respectively. As the year progresses towards October, sunshine probabilities begin to rebound, reclaiming a more typical status of 63%.
As September arrives in Samdrup Jongkhar, Bhutan, the daylight hours gently transition to 12 hours, signaling the onset of autumn. This month showcases a slow decline from the summer's peak of 13 hours, observed from May to August, where long days encouraged outdoor activities and vibrant greenery. The gradual decrease in daylight is a reminder of the changing seasons, following a pattern of longer days in the first half of the year, peaking in the summer months, and slowly tapering off towards the winter. This rhythmic cycle not only shapes the daily life of the region but also paints a beautiful backdrop as nature begins to prepare for the cooler months ahead.
In September, the winds in Samdrup Jongkhar, Bhutan, take on a gentle whisper, with an average speed of 1.2 m/s (3 mph), marking the lowest point in the year's wind cycle. This slight dip follows a more consistent pattern through late spring and summer, where the wind remained relatively still, hovering around 1.5 m/s (3 mph). The transition into autumn shows a subtle decline in wind speed, reflective of the area's shifting seasons as nature prepares for cooler months. Despite this dip, September’s breeze carries the remnants of summer warmth, inviting a serene atmosphere that invites reflection and appreciation of the changing landscape. As the year progresses, October sees a slight recovery to 1.3 m/s (3 mph), maintaining the calm rhythm of life in this tranquil part of Bhutan.
Weather in Samdrup Jongkhar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Samdrup Jongkhar, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather patterns. In September, temperatures range from a low of 21°C (70°F) to a high of 34°C (94°F), accompanied by significant rainfall of 358 mm (14.1 in) over 26 days, resulting in a high humidity level of 92%. In contrast, January experiences much cooler weather, with temperatures dipping to a minimum of 5°C (41°F) and averaging around 15°C (59°F). Rain is scarce during this month, with only 7 mm (0.3 in) of precipitation recorded over just 2 days and humidity levels at 70%. For a more detailed look at the climate, check out Samdrup Jongkhar weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a sweltering maximum of 34°C (94°F), with an average of 27°C (80°F). This month is characterized by high humidity levels at 92% and significant rainfall, accumulating around 358 mm (14.1 in) over 26 days. In contrast, February experiences much cooler temperatures, with a minimum of 5°C (41°F) and an average of 17°C (63°F), peaking at 29°C (84°F). Precipitation drops significantly to just 26 mm (1.0 in) over 4 days, and humidity levels are lower at 71%. The drastic difference in temperature, rainfall, and humidity between these two months highlights the seasonal shifts that occur. For more detailed information, you can refer to Samdrup Jongkhar weather in February.
September and March present stark contrasts in weather conditions. In September, temperatures range from a mild minimum of 21°C (70°F) to a peak of 34°C (94°F), accompanied by high humidity levels at 92%. However, this month sees considerable rainfall, with precipitation recorded at 358 mm (14.1 in) across 26 days. In contrast, March experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 21°C (70°F), while reaching similar maximums of 34°C (93°F). Rainfall is significantly reduced to 51 mm (2.0 in) over just 9 days, and humidity drops to a more comfortable 50%. For a closer look at March weather specifics, you can refer to Samdrup Jongkhar weather in March.
In comparing the weather of September and April, significant differences emerge. September boasts warmer temperatures, with an average of 27°C (80°F) compared to April's cooler average of 23°C (74°F). However, September is marked by a much higher level of precipitation, with 358 mm (14.1 in) over 26 days, while April sees only 148 mm (5.8 in) of rain across 14 days. Additionally, September's humidity is quite high at 92%, creating a muggy atmosphere, whereas April features a more comfortable humidity level of 45%. For a closer look at the weather conditions in April, check out Samdrup Jongkhar weather in April.
When comparing the weather in September and May, both months share similar high temperatures, with a maximum of 34°C (93°F) in May and 34°C (94°F) in September. However, September tends to be warmer overall, averaging 27°C (80°F) compared to May's average of 25°C (77°F). In terms of precipitation, September sees slightly less rain at 358 mm (14.1 in) over 26 days, while May experiences a bit more, with 376 mm (14.8 in) over 24 days. Additionally, September is notably more humid, with levels reaching 92%, compared to May's 76%. For more details on May's conditions, you can visit Samdrup Jongkhar weather in May.
When comparing the weather in September and June, both months share a similar temperature range, with minimums around 21°C (70°F), average highs of 27°C (80°F), and maximums reaching 34°C (94°F). However, June experiences significantly higher rainfall, with 482 mm (19.0 in) of precipitation compared to September's 358 mm (14.1 in), despite both months having 26 rainy days. The humidity in September is slightly higher at 92%, compared to June's 88%, which can make the atmosphere feel a bit more intense in the former month. For more detailed insights into June weather, you can check the following link: Samdrup Jongkhar weather in June.
In comparing the weather of September and July, both months exhibit warm temperatures, with average highs reaching 34°C (94°F) in September and slightly higher at 35°C (95°F) in July. However, July tends to be wetter, with a total precipitation of 630 mm (24.8 in) over 29 days compared to September's 358 mm (14.1 in) across 26 days. Humidity levels are also quite similar, with July at 93% and September slightly lower at 92%. For a closer look at weather specifics, check out Samdrup Jongkhar weather in July.
In comparing the weather of September to August, we see that September has slightly cooler temperatures, with an average of 27°C (80°F) compared to August's 28°C (82°F). While both months exhibit high humidity levels at 92%, August experiences marginally more rainfall, receiving 361 mm (14.2 in) over 28 days, compared to September's 358 mm (14.1 in) across 26 days. August's maximum temperature also reaches a bit higher at 35°C (95°F), while September's peaks at 34°C (94°F). For more detailed information, check out Samdrup Jongkhar weather in August.
September typically experiences warmer temperatures, with averages around 27°C (80°F) and maximums reaching up to 34°C (94°F). In contrast, October cools down, featuring minimum temperatures around 14°C (58°F) and an average of 24°C (76°F), although it can still spike to a high of 35°C (95°F). Additionally, September is notably wetter, with 358 mm (14.1 in) of precipitation spread over 26 days, while October sees a significant decline in rainfall, totaling 117 mm (4.6 in) over just 13 days. Humidity levels are slightly lower in October at 89%, compared to a humid 92% in September. For more detailed insights, you can check Samdrup Jongkhar weather in October.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 34°C (94°F) and an average of 27°C (80°F). This month also experiences significant rainfall, with 358 mm (14.1 in) of precipitation spread over 26 days, contributing to high humidity levels of 92%. In contrast, November brings a much cooler climate, with temperatures dropping to a minimum of 10°C (50°F) and reaching a maximum of 30°C (87°F), averaging 20°C (69°F). Precipitation is minimal in November, with only 4 mm (0.2 in) falling over just 2 days, leading to a slightly lower humidity of 86%. For more insights, you can check Samdrup Jongkhar weather in November.
September and December showcase a stark contrast in weather conditions. While September experiences warm temperatures ranging from a minimum of 21°C (70°F) to a maximum of 34°C (94°F), with an average of 27°C (80°F), it also brings significant rainfall, totaling 358 mm (14.1 in) over 26 days and high humidity at 92%. In contrast, December offers much cooler weather, with temperatures dropping to a minimum of 7°C (45°F) and peaking at 27°C (82°F), averaging around 16°C (62°F). Moreover, December is characterized by minimal precipitation, with only 7 mm (0.3 in) recorded on zero days, and slightly lower humidity at 83%. For a detailed look, visit Samdrup Jongkhar weather in December.
As September ushers in a shift in Samdrup Jongkhar's weather, it typically boasts a warm average temperature of around 27°C, accompanied by heightened humidity levels that can often reach 92%. This month distinguishes itself with significant rainfall, recording over 350 mm across 26 days, making it one of the wettest times of the year. Unlike the drier months preceding it, September's combination of warmth and persistent precipitation creates a lush landscape, setting the stage for vibrant greenery and a lively atmosphere. For a deeper dive into Samdrup Jongkhar's weather patterns make sure to check out Samdrup Jongkhar Climate.