September Weather in Laya, Bhutan

Last updated: August 21, 2025

In Laya, Bhutan, September unveils a cool and wet atmosphere as the region transitions into autumn. The average temperature hovers around 7°C (45°F), with daily highs reaching up to 16°C (61°F) and nights dipping down to a chilly -1°C (31°F). This month is characterized by significant precipitation, totaling 266 mm (10.5 in) over 29 days, making it one of the rainiest months of the year. Coupled with a high humidity level of 93%, the weather creates a lush landscape, perfect for immersing oneself in the natural beauty of this remote Himalayan region.

September Temperature in Laya

In September, Laya, Bhutan experiences a comforting shift as summer wanes into autumn. With minimum temperatures hovering around -1°C (31°F), the chill begins to settle in, although the average temperature sits at a moderate 7°C (45°F), making it a pleasant time for outdoor exploration. The maximum temperature peaks at 16°C (61°F), providing comfortable warmth during the day, perfect for immersing in the stunning natural beauty of the region. This monthly transition marks a notable increase in temperature compared to the colder months, showcasing a gradual retreat from the harsher winter chill experienced earlier in the year. As the landscape transforms, September in Laya offers a delightful blend of crisp air and serene surroundings, inviting visitors to savor the early signs of autumn.

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

The chart illustrates September temperature patterns in Laya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Laya, 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).
JanFebMarAprMayJunJulAugSepOctNovDec151823293644474845362519
Data source: Temperature data for Laya 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 Laya

In September, Laya, Bhutan, experiences a notable precipitation amount of 266 mm (10.5 in), maintaining a substantial rainfall trend as the monsoon season begins to taper off. With 29 rainy days, the month showcases a consistent pattern of frequent showers, yet the total precipitation is lower than the peak levels seen in July and August. This shift indicates a gradual transition towards drier conditions, setting the stage for the upcoming months. Despite the decrease in rainfall, the lush landscapes remain vibrant, reflecting the region's rich biodiversity nurtured by this substantial moisture accumulation throughout the summer months.

September Precipitation Trends in Laya

The chart displays monthly precipitation patterns in Laya, 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 Laya, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec104161252212277344421311266228131116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Laya

In September, Laya, Bhutan experiences a peak in humidity, reaching an impressive 93%, a continuation of the high moisture levels seen in the preceding months of July and August. This period marks the climax of the monsoon season, where the air is thick and saturated, providing a stark contrast to the much drier months of March and April, with humidity levels plummeting to 38% and 34% respectively. As summer transitions into autumn, the elevated humidity begins to gradually decline in October to 88%, hinting at the approaching cooler months. This annual cycle of humidity not only shapes the climate but also influences the vibrant landscapes and rich biodiversity that define Laya’s unique environment.

September Average Humidity in Laya

This chart illustrates the average monthly humidity levels in Laya, 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 Laya 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 Laya

In September, Laya, Bhutan experiences a UV Index of 15, maintaining its extreme exposure category. This signals a slight decrease from the peak values seen during the summer months, yet it still demands caution as the burn time remains at a swift 10 minutes. Overall, the UV trend in Laya showcases a consistently high index from February through September, highlighting the region's pronounced sun intensity. Visitors and residents alike should remain vigilant and consider protective measures throughout this period to safeguard their skin. For more detailed information, visit Laya UV Index.

Maximum UV Index Levels in Laya for September

The chart shows the monthly maximum UV Index (UVI) for Laya 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 Laya typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111517171717161512118
Data source: Laya 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 Laya

September brings a delightful blend of warmth and sunshine to Laya, Bhutan. With 301 hours of sunlight, the month marks a gentle transition from the peak summer radiance, where May shines the brightest at 358 hours. As the days begin to shorten, September still enjoys more sunlight than the preceding months of June, July, and August, which hovered around the 270-hour mark. Notably, this month stands as a bridge between the vibrant summer and the crisp fall, highlighting the unique climate rhythms of this beautiful region. Looking ahead, sunlight increases again in October, creating an inviting atmosphere for those exploring Laya's stunning landscapes bathed in golden hues.

Monthly Sunshine Duration in Laya: September Highlighted

The September sunshine duration represents the total number of hours Laya 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.
JanFebMarAprMayJunJulAugSepOctNovDec248h293h342h348h358h344h262h271h301h328h302h301h
Data source: Laya September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Laya During September

In Laya, Bhutan, September brings a slight uptick in the likelihood of sunny weather, with a 13% chance of sunshine. This marks a small increase from the woeful 1% in August, but still falls below the sunnier months later in the year, such as October's 20% and November's 31%. The overall trend shows a gradual return of clearer skies after the heavy monsoon season experienced from June to August. As the monsoon retreats, September offers a glimmer of hope for those longing to bask in the sun, albeit with modest prospects.

Percentage of Sunny Days in September in Laya

The chart illustrates the percentage of sunny days in Laya 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 Laya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%36%24%24%9%7%3%1%13%20%31%34%
Data source: Laya September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Laya in September

As September unfolds in Laya, Bhutan, residents experience a transition marked by 12 hours of daylight, signaling a gentle shift away from the long, sun-drenched days of summer. The month maintains the balanced daylight duration seen in spring and early summer, showcasing Bhutan's unique climatic rhythm. Following the peak of 13 hours of daylight in the summer months, the gradual decrease reflects the onset of autumn, where daylight shortens to 11 hours in October and returns to 10 hours by December. This consistent pattern not only highlights the changing seasons but also invites locals and visitors alike to embrace the rich tapestry of nature as it prepares for winter's embrace.

Average Daylight Hours in Laya for September

The chart illustrates the variation in daylight duration in Laya throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 34m11h 11m12h12h 50m13h 31m13h 52m13h 42m13h 5m12h 17m11h 27m10h 44m10h 22m
Data source: Laya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Laya

In Laya, Bhutan, September greets the season with a gentle average wind speed of 1.2 m/s (3 mph), aligning closely with the mild breezes of the preceding summer months. Throughout the year, wind speeds remain relatively consistent, ranging from 1.1 to 1.4 m/s, with the calmest days typically seen in July and November. This slight variation hints at a subtle yet noticeable lull in the winds as summer transitions into autumn, providing a serene backdrop to Laya's breathtaking landscapes. The stability in wind patterns underscores the tranquil atmosphere that envelops this picturesque region, making September a perfect time for contemplation and exploration.

Average September Wind Speed in Laya

The chart displays monthly wind speed patterns in Laya, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.41.31.31.31.31.11.21.2 m/s1.31.11.4
Data source: Laya September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Laya Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a chilly -1°C (31°F) at night, averaging 7°C (45°F) during the day, and peaking at 16°C (61°F). This month experiences significant precipitation, totaling 266 mm (10.5 in) over 29 days, contributing to a high humidity level of 93%. In contrast, January sees much harsher conditions, with temperatures plunging to a minimum of -25°C (-12°F) and averaging -9°C (15°F), only reaching a maximum of 9°C (48°F). Precipitation drops to 104 mm (4.1 in) across 18 days, and humidity decreases to 59%. These differences highlight the shift from late summer to mid-winter, showcasing the dramatic seasonal changes. For more details, you can visit Laya weather in January.

September and February present stark contrasts in weather patterns. While September boasts milder temperatures with a minimum of -1°C (31°F), an average of 7°C (45°F), and a maximum of 16°C (61°F), it is characterized by high humidity at 93% and considerable precipitation of 266 mm (10.5 in) over 29 days. In contrast, February experiences much colder temperatures, with a minimum of -23°C (-9°F), an average of -8°C (18°F), and a maximum of 8°C (47°F). Additionally, February sees less precipitation, totaling 161 mm (6.3 in) over 20 days, and lower humidity at 61%. For more detailed insights, visit Laya weather in February.

In September, the weather is generally milder, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F) and an average of 7°C (45°F). This month experiences significant precipitation, with 266 mm (10.5 in) over 29 days and high humidity levels of 93%. In contrast, March is much colder, featuring temperatures that can drop as low as -19°C (-1°F) and only reaching a maximum of 8°C (47°F), with a lower average of -5°C (23°F). Precipitation is similar, at 252 mm (9.9 in), but over a slightly shorter duration of 27 days, coupled with considerably lower humidity at 38%. For more details on March weather, visit Laya weather in March.

In comparing the weather of September and April, notable differences emerge in temperature and precipitation patterns. September tends to be milder, with average temperatures ranging from a minimum of 1°C (31°F) to a maximum of 16°C (61°F), whereas April can be quite chilly, showing a minimum of -17°C (2°F) and an average temperature of -1°C (30°F). Precipitation is more substantial in September, receiving 266 mm (10.5 in) over 29 days, compared to April's 212 mm (8.3 in) across 25 days. Humidity also varies significantly, with September exhibiting a high humidity level of 93% in contrast to April's much drier atmosphere at 34%. For more detailed insights into April's climate, you can check Laya weather in April.

In comparing the weather of September and May, September tends to be milder with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F), along with an average temperature of 7°C (45°F). Conversely, May is generally colder, with a lower minimum temperature of -8°C (17°F), an average of 2°C (36°F), and a maximum reaching only 14°C (57°F). Both months experience substantial rainfall, with September recording 266 mm (10.5 in) and May slightly higher at 277 mm (10.9 in), along with precipitation occurring on 29 days in each month. However, September’s high humidity level of 93% contrasts starkly with May’s more moderate humidity at 60%, resulting in different overall sensations despite similar patterns of rain. For more details, you can check out Laya weather in May.

In comparing the weather patterns of September and June, both months exhibit similar average temperatures, with highs reaching 16°C (61°F) and lows around 1°C (34°F) in September and -4°C (25°F) in June. However, June tends to be slightly wetter, receiving 344 mm (13.6 in) of precipitation over 30 days compared to 266 mm (10.5 in) over 29 days in September. Notably, September also has higher humidity, averaging 93% compared to June's 83%, creating a difference in how each month feels despite their comparable temperatures. For more detailed insights on June weather in Laya, you can visit Laya weather in June.

When comparing the weather in September and July, both months share similar maximum temperatures, peaking at 16°C (61°F). However, September experiences a slightly lower minimum temperature of -1°C (31°F) compared to July's minimum of 2°C (35°F), resulting in an average temperature of 7°C (45°F) in September versus 9°C (48°F) in July. Precipitation levels are notably higher in July, with 421 mm (16.6 in) over 31 days, compared to 266 mm (10.5 in) across 29 days in September. Additionally, both months have a consistent humidity level of 93%. For a more in-depth look at July conditions, you can check Laya weather in July.

In comparing the weather between August and September, we see a notable decline in average temperatures as September features daily temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F), compared to August's range of 1°C (35°F) to 17°C (62°F). Despite a slight reduction in total precipitation, September still experiences significant rainfall with 266 mm (10.5 in) over 29 days, while August recorded 311 mm (12.2 in) across 30 days. Both months maintain high humidity levels at 93%, indicating a consistently damp environment. For more details on the weather during August, you can visit Laya weather in August.

September weather is characterized by relatively warmer temperatures, with averages around 7°C (45°F) and maximums reaching 16°C (61°F), though it can still drop to a chilly -1°C (31°F) at night. This month is notably wet, with substantial precipitation of 266 mm (10.5 in) over 29 days and a high humidity level of 93%. In contrast, October sees a more pronounced drop in temperatures, registering an average of 2°C (36°F), with minimums plunging to -15°C (6°F). While October also experiences rainfall, it totals 228 mm (9.0 in) over fewer days (26), and the humidity decreases slightly to 88%. This shift signifies a transition towards the colder months. For more detailed weather specifics, check out Laya weather in October.

September and November offer contrasting weather experiences. In September, temperatures are milder, with a minimum of -1°C (31°F) and an average of 7°C (45°F), peaking at 16°C (61°F). The month witnesses significant rainfall, totaling 266 mm (10.5 in) over 29 days, contributing to high humidity levels of 93%. In stark contrast, November brings a more frigid climate, with temperatures dropping significantly to a minimum of -19°C (-1°F) and an average of -4°C (25°F), while the maximum reaches only 8°C (47°F). Precipitation decreases to 131 mm (5.1 in) across 23 days, and humidity levels also decline to 80%. For more details on Laya's weather conditions in November, visit Laya weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a chilly -1°C (31°F) to a milder maximum of 16°C (61°F), with an average of 7°C (45°F). The month is characterized by high humidity at 93% and significant precipitation, totaling 266 mm (10.5 in) over 29 days. In contrast, December brings much colder temperatures, with lows plunging to -23°C (-10°F) and an average of -7°C (20°F). The maximum temperature reaches only 6°C (43°F), while humidity decreases to 75%. Precipitation also drops to 115 mm (4.5 in) across 22 days, highlighting drier conditions compared to September. For more detailed information, check out Laya weather in December.

Compare Laya's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Laya

As September unfolds in Laya, it showcases a notable transition that sets it apart from the rest of the year. With temperatures averaging a brisk 7°C, the chill of early autumn begins to take hold, giving way to the beautiful hues of the changing season. The month’s high humidity level of 93% and substantial precipitation highlight September as one of the wettest months, with nearly every day graced by rain, creating a lush and verdant landscape. This combination of cool temperatures and frequent rain dramatically contrasts with the warmer and drier summer months, making September a unique experience within Laya's varied climate. For those looking to explore more about this captivating region, check out the detailed insights at Laya Climate.