Last updated: August 21, 2025
September in Punakha, Bhutan, brings a mix of moderate temperatures and high humidity, making it a unique time to experience the region's lush landscapes. With an average temperature of 16°C (61°F), daily highs peak around 25°C (77°F), while cooler nights dip to a comfortable 9°C (48°F). This month is marked by significant precipitation, with a striking 515 mm (20.3 in) of rainfall falling over 29 days, resulting in a humidity level of 93%. Visitors can expect vibrant foliage and a refreshing ambiance, ideal for exploring this scenic destination.
In Punakha, Bhutan, September marks a delightful transition into autumn, with temperatures exhibiting a gentle rise compared to the preceding months. The minimum temperature settles around 9°C (48°F), while the average temperature hovers at a comfortable 16°C (61°F), peaking at a pleasant 25°C (77°F). This is a notable shift from the cooler summer months, creating an inviting atmosphere perfect for exploration. As the lush landscapes prepare for the dry season, the temperatures provide a refreshing balance—making September an ideal time to experience the beauty of Punakha amidst mild and enjoyable weather.
In September, Punakha experiences a significant dip in precipitation compared to the peak monsoon months of July and August, receiving 515 mm (20.3 in) of rain over 29 days. This marks a transition from the torrential rains of the summer, where July alone sees a staggering 835 mm (32.9 in), to a more moderate, yet still substantial, rainfall pattern. The month serves as a bridge into the drier autumn season, as the precipitation levels begin to decrease—paving the way for the lush landscapes to settle into a more tranquil ambiance. Overall, September reflects the tail end of the monsoon's influence, combining ample moisture with the promise of clearer skies ahead.
September in Punakha, Bhutan, is characterized by high humidity, consistently measuring an impressive 93%. This peak in humidity follows a gradual rise that begins in June and reaches notable highs in July and August, suggesting a strong monsoon influence in the region during the summer months. As the seasons transition towards autumn, humidity remains elevated through September, adding a lush, vibrant quality to the landscape. Following this peak, the humidity decreases in October, hinting at the gradual shift towards drier months, yet still retaining a comfortable level at 88%. Overall, September stands out as a time when the air is not only rich in moisture but also contributes to the region’s breathtaking natural scenery.
As September unfolds in Punakha, Bhutan, the UV Index remains high at 14, categorizing it as extreme with a burn time of just 10 minutes. This trend of incredibly high UV levels has been consistent since March, peaking at 16 in July, emphasizing the need for sun protection during these months. Although slightly lower than the peak summer months, September still demands vigilance against sun exposure. Visitors and locals alike should continue to prioritize safety with sunblock and protective clothing. For a detailed analysis across the year, check out the Punakha UV Index.
UV Risk Categories
September in Punakha, Bhutan, brings a delightful 244 hours of sunshine, making it a breezy transition from the typically wetter summer months. Following the peak sunlight of May, this month experiences a slight dip in daylight hours, yet it still outshines the rainy days of July. As autumn sweeps in, the landscape transforms, reflecting the golden hues of sunlight against the backdrop of the majestic Himalayas. With the sun shining brightly and the weather becoming more temperate, September offers an excellent opportunity for travelers to immerse themselves in the serene beauty of the region, as daylight gracefully paves the way for the coming months of clearer skies and vibrant fall colors.
In September, Punakha, Bhutan, experiences a modest 18% chance of sunny weather, marking a slight increase compared to the preceding months of July and August, which see the lowest probabilities of sunshine. This uptick hints at the transitioning seasons, where the lush monsoon gradually gives way to clearer skies. However, September still falls short compared to the sunnier months of October and February, which boast probabilities of 32% and 32%, respectively. As such, visitors in September should be prepared for a mix of weather, showcasing the vibrant aftermath of the rains while still holding a glimmer of sunshine to brighten their days.
As September rolls into Punakha, Bhutan, daylight begins to wane from the warm embrace of summer, offering approximately 12 hours of sunlight—a slight dip from the 13 hours enjoyed in the preceding months of June, July, and August. This transitional month marks a shift towards shorter days, reminiscent of the gradual decrease noted as the year progresses into autumn. After basking in the long, sunlit days of late spring and summer, the gradual reduction in daylight serves as a reminder of the change of seasons, with October projecting an even shorter duration at 11 hours. As the year moves on, Punakha's daylight rhythm not only highlights its climatic patterns but also enriches the experience of its stunning landscapes under varying shades of light.
As September sweeps through Punakha, Bhutan, the gentle caress of the wind whispers a consistent lull, with an average speed of 0.9 m/s (2 mph). This tranquil breeze mirrors the calm that lingers throughout the summer months, reflecting a subtle trend in the region's atmospheric patterns. Notably, September maintains the same moderate pace as its preceding months, hinting at a serene transition that prepares the landscape for autumn. While the wind remains soft, it's emblematic of the peaceful beauty that characterizes this enchanting destination, promising visitors a chance to soak in the stunning surroundings without the distraction of harsh gusts.
Weather in Punakha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Punakha, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a striking contrast in weather conditions. September enjoys milder temperatures, with averages around 16°C (61°F) and highs reaching up to 25°C (77°F), though it is characterized by high humidity at 93% and significant precipitation, totaling 515 mm (20.3 in) over 29 days. In contrast, January brings a much colder climate, with average temperatures plummeting to 3°C (37°F) and lows reaching -16°C (4°F). This month experiences far less precipitation, just 122 mm (4.8 in) over 17 days, and lower humidity levels at 59%. For more detailed information, you can check Punakha weather in January.
September and February present stark contrasts in weather patterns. September is characterized by milder temperatures, with averages around 16°C (61°F) and a maximum of 25°C (77°F), making it quite pleasant. However, it also brings significant rainfall, averaging 515 mm (20.3 in) over 29 days, resulting in high humidity levels of 93%. In contrast, February is much colder, with average temperatures hovering at 4°C (40°F), dipping as low as -9°C (16°F) at night. Precipitation is also considerably lower, with only 176 mm (6.9 in) over 22 days and humidity dropping to a more comfortable 61%. For a more detailed look at Punakha's February weather, check out Punakha weather in February.
In September, the weather is characterized by milder temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). This month also experiences significant rainfall, with 515 mm (20.3 in) of precipitation over 29 days and a high humidity level of 93%. In contrast, March holds cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 19°C (66°F), averaging only 7°C (45°F). The precipitation in March is less substantial at 317 mm (12.5 in) over the same number of days, accompanied by much lower humidity at 38%. For more details on the weather during this month, you can visit Punakha weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums of 9°C (48°F), averages around 16°C (61°F), and maximums reaching 25°C (77°F). In contrast, April is cooler, with temperatures ranging from a minimum of 0°C (32°F) to an average of 11°C (51°F), and maximums of 22°C (71°F). Additionally, September is significantly wetter, receiving 515 mm (20.3 in) of precipitation over 29 days, while April sees only 248 mm (9.8 in) over 28 days. The humidity level in September is also notably higher at 93%, compared to a much drier 34% in April. For more specific details about the weather in April, you can check Punakha weather in April.
In comparing the weather of September and May, September tends to be warmer overall, boasting an average temperature of 16°C (61°F) and maximum temperatures reaching 25°C (77°F), while May has a cooler average of 13°C (56°F) with highs around 24°C (75°F). Precipitation is notably higher in September, with 515 mm (20.3 in) falling over 29 days compared to May's 339 mm (13.3 in) spread across 30 days. Additionally, September experiences significantly higher humidity levels at 93%, whereas May's humidity is more moderate at 60%. For more details, check out Punakha weather in May.
September and June offer similar average temperatures, both hovering around 16°C (61°F). However, September tends to be slightly warmer with a maximum of 25°C (77°F) compared to June's maximum of 26°C (78°F). In terms of precipitation, September sees a slight increase at 515 mm (20.3 in), while June has 496 mm (19.5 in), with both months experiencing rainfall on 29 days. Additionally, September has higher humidity at 93%, compared to June's 83%, contributing to a more damp atmosphere. For more details on the weather during this month, you can check out Punakha weather in June.
September and July both feature similar maximum temperatures, hovering around 25°C (77°F), but their overall weather experiences differ significantly. In September, temperatures range from a minimum of 9°C (48°F) to an average of 16°C (61°F), while July sees slightly warmer conditions with temperatures ranging from a minimum of 12°C (55°F) and an average of 17°C (62°F). Both months experience high humidity at 93%, but July is notably wetter, receiving 835 mm (32.9 in) of precipitation over 31 days, compared to September’s 515 mm (20.3 in) over 29 days. For a more in-depth look at the July weather, visit Punakha weather in July.
In comparing the weather between August and September, September generally experiences slightly cooler temperatures, with minimums dropping from 12°C (53°F) in August to 9°C (48°F) in September. The average temperature in September is 16°C (61°F), compared to August's 17°C (63°F), while maximum temperatures are fairly similar, peaking at 25°C (77°F) in September and 24°C (76°F) in August. However, September sees a significant decrease in precipitation, with 515 mm (20.3 in) falling over 29 days, compared to August's 674 mm (26.5 in) across 31 days. Both months share high humidity levels at 93%, contributing to a consistently damp atmosphere. For more details about the conditions during this month, you can check Punakha weather in August.
In September, temperatures range from a chilly 9°C (48°F) at night to a warm average of 16°C (61°F) during the day, peaking at 25°C (77°F). The month is characterized by significant rainfall, with 515 mm (20.3 in) of precipitation spread over 29 days, contributing to a high humidity level of 93%. In contrast, October sees a notable drop in nighttime temperatures, plunging to a minimum of 1°C (34°F) and slightly cooling the daily average to 13°C (56°F), though it remains relatively pleasant with a maximum of 23°C (74°F). Rainfall decreases significantly to 202 mm (8.0 in) over 23 days, and humidity slightly drops to 88%. For more specific details on weather in this beautiful region, you can visit Punakha weather in October.
September and November present a notable contrast in weather conditions. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). The month is notably wet, experiencing 515 mm (20.3 in) of precipitation over 29 days, contributing to a high humidity level of 93%. In stark contrast, November sees cooler temperatures, with a minimum of 0°C (33°F), an average of 9°C (48°F), and a maximum of 20°C (69°F). Precipitation drops significantly to 102 mm (4.0 in) over just 17 days, resulting in a lower humidity of 80%. For more detailed information on November's weather, you can visit Punakha weather in November.
September and December present starkly different weather conditions. In September, temperatures range from a mild minimum of 9°C (48°F) to a comfortable maximum of 25°C (77°F), with an average of 16°C (61°F). However, this month is characterized by high precipitation levels, totaling 515 mm (20.3 in) over 29 days, along with a humidity of 93%, creating a damp and cool atmosphere.
In contrast, December brings significantly colder temperatures, with a minimum of -11°C (13°F) and an average of only 5°C (42°F), peaking at a maximum of 18°C (64°F). Precipitation is notably lower at 114 mm (4.5 in) across 20 days, accompanied by reduced humidity levels of 75%. For more insights on the December weather in Punakha, you can explore Punakha weather in December. Overall, September exhibits a warmer, wetter climate while December ushers in the chill of winter.
As September unfolds, Punakha experiences a unique weather pattern characterized by a distinct blend of mild temperatures and significant rainfall. Compared to the hotter and drier months of summer, September's climate brings a refreshing chill, with cooler nights and a lush, verdant landscape thanks to nearly daily rain. With high humidity often reaching a damp 93%, this month stands apart, as nature awakens after the monsoon, fostering a vibrant atmosphere for both locals and visitors alike. Embrace the enchanting charm of Punakha during this transitional period by exploring more at Punakha Climate.