September Weather in Phuntsholing, Bhutan

Last updated: August 21, 2025

September in Phuntsholing, Bhutan is characterized by a warm yet humid atmosphere, with maximum temperatures reaching 32°C (90°F) and a comfortable average of 25°C (77°F). As the monsoon season continues, the region experiences significant rainfall, accumulating approximately 499 mm (19.6 in) over about 27 rainy days. The high humidity of 93% often enhances the sultry feeling, making it essential for visitors to prepare for both warmth and wet weather. This blend of climatic conditions creates a vibrant and lush environment, perfect for exploring the natural beauty and cultural richness that Phuntsholing offers.

September Temperature in Phuntsholing

September in Phuntsholing, Bhutan offers a delightful transition as the summer heat begins to wane. With minimum temperatures around 20°C (69°F), the nights are comfortably mild, while the average daytime high reaches 32°C (90°F). This month typically showcases a harmonious balance, with daytime warmth and cooler evenings, allowing visitors to explore the vibrant local culture without the sweltering heat of the previous months. As the landscape begins to change with the approach of autumn, the crispness of the air is invigorating, making September an ideal time to experience the natural beauty and charm of this gateway to Bhutan.

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

The chart illustrates September temperature patterns in Phuntsholing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phuntsholing, 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).
JanFebMarAprMayJunJulAugSepOctNovDec576168737578787977736660
Data source: Temperature data for Phuntsholing generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Phuntsholing

In September, Phuntsholing experiences a significant drop in precipitation compared to the preceding months, with 499 mm (19.6 in) of rain recorded over 27 days. This marks a shift from the peak rainy season of July and August, when annual rainfall totals soared to an astonishing 1044 mm (41.1 in) and 705 mm (27.8 in) respectively. Despite this decrease, September remains lush and vibrant, as the lingering effects of the monsoon sustain the region's rich flora. As the month progresses, rainfall begins to taper off, hinting at the onset of autumn and providing a gentle transition into the drier months ahead.

September Precipitation Trends in Phuntsholing

The chart displays monthly precipitation patterns in Phuntsholing, 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 Phuntsholing, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7254792222585104470549919358
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phuntsholing

In September, Phuntsholing experiences a peak in humidity, reaching a notable 93%, a level consistent with the preceding months of July and August. This surge in humidity is part of a larger trend observable throughout the monsoon season, where moisture-laden air predominates, especially in June through September. Following this high, humidity begins to gradually decline in the subsequent months, with October showing a decrease to 88%, and continuing to drop towards the end of the year. The fluctuating humidity levels illustrate the significant impact of seasonal changes in this vibrant Bhutanese town, creating a rich tapestry of weather patterns that shape the local climate.

September Average Humidity in Phuntsholing

This chart illustrates the average monthly humidity levels in Phuntsholing, 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 Phuntsholing is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%61%38%34%60%83%93%93%93%88%80%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Phuntsholing

In September, Phuntsholing experiences a UV Index of 12, classifying the exposure as extreme, with a burn time of just 10 minutes. This month marks a slight decline from the peak indices of July and August, yet it remains significantly high, highlighting the need for protective measures when outdoors. The trend throughout the year shows a gradual increase in UV intensity from January's moderate levels to May's extreme readings, peaking in July. As fall approaches, the UV Index begins to decrease, signaling a welcome shift for those sensitive to sun exposure. For detailed insights on UV levels throughout the year, visit Phuntsholing UV Index.

Maximum UV Index Levels in Phuntsholing for September

The chart shows the monthly maximum UV Index (UVI) for Phuntsholing 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 Phuntsholing typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5791011131413121086
Data source: Phuntsholing 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 Phuntsholing

In September, Phuntsholing, Bhutan basks in 248 hours of sunshine, continuing a trend of diminishing daylight as the monsoon season wanes. Following a summer peak in May, with its 323 hours of brilliant light, the weather begins its transitional dance toward autumn, marked by a decline in sunlight hours. While September experiences slightly more sunlight than the previous month, August, with 249 hours, it signals the onset of shorter days ahead. This gentle shift hints at the approaching hues of fall, inviting visitors to enjoy the lingering warmth and beauty of the Bhutanese landscape before the rainy season fully relinquishes its hold.

Monthly Sunshine Duration in Phuntsholing: September Highlighted

The September sunshine duration represents the total number of hours Phuntsholing 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.
JanFebMarAprMayJunJulAugSepOctNovDec232h270h321h318h323h281h200h249h248h303h291h286h
Data source: Phuntsholing September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Phuntsholing During September

In Phuntsholing, Bhutan, the likelihood of sunny weather sees a notable shift as the year progresses. After enjoying a high probability of sunshine from January to April—hovering around 65% to 75%—the summer months bring a significant drop, with the chances plummeting to a mere 5% in July and 2% in August. As September arrives, residents and visitors can expect a slight rebound, with a 24% chance of sunny days, but this is still substantially lower than the preceding spring months. Following September, the sun's return becomes increasingly likely again, with October seeing a rise to 56% and November climbing to an impressive 79%. Overall, Phuntsholing's weather patterns highlight a marked contrast between the sunny beginnings and rainy midsummer, reinstating a more favorable climate as autumn approaches.

Percentage of Sunny Days in September in Phuntsholing

The chart illustrates the percentage of sunny days in Phuntsholing 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 Phuntsholing experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec65%75%70%69%34%17%5%2%24%56%79%75%
Data source: Phuntsholing September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Phuntsholing in September

In Phuntsholing, Bhutan, the rhythm of daylight changes throughout the year, revealing distinct trends in the availability of sunlight. Starting with 10 hours in January, the days gradually lengthen, peaking at 13 hours from May through August—the months where nature truly shines. As September approaches, the daylight slightly wanes to 12 hours, signaling the onset of autumn. This decline continues into October and November, where 11 hours and 10 hours respectively, carry us back to the shorter days of winter. In this beautiful region, daylight duration not only marks the passage of time but also reflects the changing seasons, drawing a vivid tapestry of light and shadow.

Average Daylight Hours in Phuntsholing for September

The chart illustrates the variation in daylight duration in Phuntsholing throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 38m11h 14m12h12h 47m13h 27m13h 47m13h 37m13h 2m12h 17m11h 29m10h 48m10h 28m
Data source: Phuntsholing daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Phuntsholing

As the month of September arrives in Phuntsholing, Bhutan, the winds continue their gentle embrace, maintaining an average speed of 1.0 m/s (2 mph). This subtle breeze mirrors the calm atmosphere often experienced during this time of year, reflecting a consistent trend throughout the summer months. With only slight fluctuations delineating the seasons, September's winds resonate with the tranquil rhythm of nature, as they seamlessly transition from the breezy days of April and March, which recorded higher speeds of 1.3 to 1.4 m/s. As autumn approaches, the winds remain soft yet present, enhancing the serene beauty of Phuntsholing's landscapes. This steady, mild airflow not only contributes to the region's gentle climate but also offers a perfect backdrop for reflecting on the enchanting surroundings.

Average September Wind Speed in Phuntsholing

The chart displays monthly wind speed patterns in Phuntsholing, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.11.31.41.11.21.11.01.0 m/s1.11.11.0
Data source: Phuntsholing September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Phuntsholing Compares to Other Months

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

The weather in September is characterized by warm temperatures, with lows around 20°C (69°F) and highs reaching up to 32°C (90°F), while January experiences a much cooler climate with temperatures dipping to a minimum of 5°C (41°F) and peaking at about 25°C (77°F). Additionally, September is notably wetter, receiving an average of 499 mm (19.6 in) of rainfall over 27 days, compared to January’s significantly drier statistics of just 7 mm (0.3 in) of precipitation over only 2 days. The humidity levels in September are much higher at 93%, creating a muggy atmosphere, whereas January's humidity is a more comfortable 59%. For more detailed information, you can check Phuntsholing weather in January.

In September, the weather is hot and humid, with average temperatures reaching around 25°C (77°F) and highs soaring up to 32°C (90°F). This month experiences significant rainfall, totaling 499 mm (19.6 in) over 27 days, contributing to a high humidity level of 93%. In contrast, February brings a much cooler climate with average temperatures around 16°C (61°F) and a maximum of 26°C (80°F). The precipitation in February is minimal, amounting to only 25 mm (1.0 in) over just 6 days, resulting in a much drier atmosphere with a humidity level of 61%. For more detailed information on February weather, check out Phuntsholing weather in February.

In September, the weather is significantly warmer and more humid, with average temperatures around 25°C (77°F) and maximums reaching up to 32°C (90°F). This month also experiences high precipitation, totaling 499 mm (19.6 inches) over 27 days, resulting in a humidity level of 93%. In contrast, March presents a much cooler climate, where average temperatures drop to 20°C (68°F) and minimums can be as low as 8°C (48°F). With only 47 mm (1.9 inches) of rain over 10 days, March is significantly drier and less humid, boasting a comfortable humidity level of 38%. For more detailed information about weather conditions in March, you can visit Phuntsholing weather in March.

When comparing the weather in September and April, it's evident that September is significantly warmer and more humid. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). In contrast, April experiences cooler temperatures, with a minimum of 13°C (55°F) and a maximum that matches September’s peak at 32°C, but an average of only 23°C (73°F). Additionally, September sees much higher precipitation, with 499 mm (19.6 in) over 27 days compared to April's 92 mm (3.6 in) over 16 days. The humidity also reflects these differences, with September's humidity at 93%, a stark contrast to April's more manageable 34%. For more detailed insights into April's weather, check Phuntsholing weather in April.

In comparing the weather between September and May, we see notable differences. September boasts higher humidity at 93%, with average temperatures resting around 25°C (77°F) and maximums reaching up to 32°C (90°F). However, it also experiences significant rainfall, accumulating 499 mm (19.6 in) over 27 days. In contrast, May presents a milder climate, with humidity at 60% and slightly lower average temperatures of 24°C (75°F), while also peaking at 32°C (90°F). Rainfall is markedly less in May, totaling 222 mm (8.7 in) across the same number of days. For a more detailed look at May's conditions, you can visit Phuntsholing weather in May.

In comparing the weather of September and June, both months exhibit similar minimum and average temperatures, with September averaging 25°C (77°F) and June slightly warmer at 25°C (78°F). However, June tends to be slightly hotter, peaking at a maximum of 33°C (91°F) compared to September's 32°C (90°F). Precipitation is notably higher in June, totaling 585 mm (23.0 in) over 29 days, while September sees 499 mm (19.6 in) across 27 days, making June the wetter month. Additionally, June experiences lower humidity at 83% compared to September’s high of 93%. For more details, you can explore Phuntsholing weather in June.

When comparing the weather of July and September, both months exhibit relatively high temperatures, with September showing a slightly lower minimum temperature of 20°C (69°F) compared to July's 22°C (71°F). The average temperature in July is also marginally higher at 26°C (78°F) versus September's 25°C (77°F), although both months peak at a maximum of 32°C (90°F). Precipitation levels, however, tell a different story; July is significantly wetter, receiving 1044 mm (41.1 in) over 31 days, while September sees 499 mm (19.6 in) over 27 days. Notably, humidity remains constant at 93% for both months, contributing to a muggy feel. For a more detailed look at July's weather, check out Phuntsholing weather in July.

Comparing the weather in September and August reveals some intriguing differences. In September, temperatures show a slight decrease, with minimums around 20°C (69°F) and maximums reaching 32°C (90°F), compared to August, which has minimums at 22°C (72°F) and maximums peaking at 33°C (92°F). Additionally, September experiences a significant drop in precipitation, receiving 499 mm (19.6 in) over 27 days, while August is much wetter, with 705 mm (27.8 in) across 31 days. Despite the reduced rainfall, both months maintain high humidity levels at 93%. For a more detailed look at August's weather, you can check Phuntsholing weather in August.

September and October showcase a noticeable shift in weather patterns. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). However, it brings considerable rainfall, accumulating 499 mm (19.6 in) over 27 rainy days and high humidity levels of 93%. In contrast, October sees a dip in the minimum temperature to 13°C (56°F) and an overall average of 23°C (74°F), while still reaching a high of 32°C (89°F). Precipitation decreases significantly to 193 mm (7.6 in) over just 14 days, and humidity also drops slightly to 88%. For more details on October weather conditions, you can visit Phuntsholing weather in October.

September and November present contrasting weather patterns. In September, the temperature ranges from a minimum of 20°C (69°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). The month is characterized by significant rainfall, receiving 499 mm (19.6 in) over 27 days and high humidity levels at 93%. In contrast, November features much cooler temperatures, with a minimum of 10°C (49°F) and a maximum of 30°C (86°F), averaging 19°C (66°F). The month is notably drier, with only 5 mm (0.2 in) of precipitation occurring just once and humidity dropping to 80%. For more detailed information, you can refer to Phuntsholing weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 20°C (69°F) and an average of 25°C (77°F), peaking at a hot 32°C (90°F). This month also experiences significant rainfall, with 499 mm (19.6 in) over 27 days and high humidity levels at 93%. In contrast, December brings much cooler conditions, with temperatures ranging from a minimum of 6°C (43°F) to a pleasant maximum of 25°C (78°F) and an average of 15°C (60°F). The month sees drastically reduced precipitation, with only 8 mm (0.3 in) recorded and no rainy days, alongside lower humidity at 75%. For more detailed insights about December weather, you can check Phuntsholing weather in December.

Compare Phuntsholing's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Phuntsholing

As September rolls into Phuntsholing, the weather transitions into a unique blend characterized by heightened humidity and substantial rainfall. With an average temperature hovering around a comfortable 25°C (77°F), the month stands out with nearly every day marked by precipitation, making it one of the wettest periods of the year. Unlike the drier months that precede it, September's 93% humidity envelops the region, creating a lush environment that breathes life into the flora. This dramatic shift invites both challenges and beauty, as the vibrant greenery emerges from the near-daily rains, offering a different experience for visitors. For more insights on the diverse weather patterns throughout the year, check out Phuntsholing Climate.