September Weather in Surkhet, Nepal

Last updated: August 31, 2025

September in Surkhet, Nepal is characterized by a warm and humid climate, with temperatures ranging from a maximum of 32°C (90°F) to a comfortable average of 25°C (77°F), dipping to a minimum of 19°C (66°F). This month sees a significant amount of rainfall, amassing 295 mm (11.6 in) over 28 days, contributing to the region's lush greenery. The humidity levels hover around a high 84%, making the atmosphere feel even warmer. As the monsoon season begins to wane, September presents a unique blend of vibrant landscapes and refreshing showers, drawing visitors to experience the natural beauty of Surkhet.

September Temperature in Surkhet

In September, Surkhet, Nepal, experiences a gentle transition in temperature as the monsoon season begins to retreat. The month begins with a minimum temperature of around 19°C (66°F), providing a pleasant backdrop for daily activities, while the average temperature hovers around 25°C (77°F), making it comfortably warm. Highs reach up to 32°C (90°F), similar to the preceding months, yet there is a discernible shift toward cooler evenings as autumn approaches. This consistent warmth, coupled with the lingering humidity from the rainy season, creates an inviting climate perfect for exploring the lush landscapes of Surkhet and enjoying the vibrant local culture.

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

The chart illustrates September temperature patterns in Surkhet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surkhet, 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).
JanFebMarAprMayJunJulAugSepOctNovDec525867757779787877726355
Data source: Temperature data for Surkhet generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Surkhet

In September, Surkhet, Nepal, experiences significant rainfall, with total precipitation reaching 295 mm (11.6 in) across 28 days. This downpour is a continuation of the monsoon season, which peaks in the preceding months—especially in July and August, when figures soar to 590 mm (23.2 in) and 565 mm (22.2 in), respectively. As the month progresses, the intensity of the rains begins to wane, setting the stage for the transition to a drier autumn. However, September still showcases the region's lush landscape and vibrant ecosystem, nourished by the abundant waters of the monsoon, making it a critical month for agriculture. As the year draws to a close, the rainfall sharply declines, with October dropping to just 71 mm (2.8 in), indicating a clear shift in climate patterns.

September Precipitation Trends in Surkhet

The chart displays monthly precipitation patterns in Surkhet, 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 Surkhet, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec394526489733559056529571720
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Surkhet

In September, Surkhet, Nepal experiences a high humidity level of 84%, continuing the trend established in the preceding months of July and August, when humidity peaks at 80% and 89%, respectively. This gradual increase in moisture levels is indicative of the monsoon season, which typically brings not only heavier rainfall but also a noticeable rise in humidity throughout the summer months. Interestingly, humidity starts from a more comfortable 56% in January, gradually declining until reaching its lowest point of 35% in April. After April, however, the trend reverses, with humidity climbing sharply as the monsoon approaches. The month of September marks a slight decrease from August's peak, yet it remains significantly higher than the earlier months, foreshadowing the drier conditions that October will bring with its 64% humidity.

September Average Humidity in Surkhet

This chart illustrates the average monthly humidity levels in Surkhet, 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 Surkhet is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%55%41%35%38%47%80%89%84%64%53%53%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Surkhet

As September rolls into Surkhet, Nepal, the UV Index shows a notable shift, landing at 10, categorized as very high. This indicates that while the sun's intensity is slightly less than the extreme levels experienced during the peak summer months of June and July, caution is still essential. With a burn time of just 15 minutes, outdoor enthusiasts and residents should remain vigilant about sun protection. This trend reflects the gradual decrease in UV intensity as the area transitions into autumn, following a summer characterized by extreme exposure. For more detailed information on UV levels throughout the year, check out Surkhet UV Index.

Maximum UV Index Levels in Surkhet for September

The chart shows the monthly maximum UV Index (UVI) for Surkhet 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 Surkhet typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101012131210965
Data source: Surkhet 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 Surkhet

In September, Surkhet basks in a delightful 311 hours of sunshine, showcasing a pleasant transition as the monsoon recedes. This month reveals a notable increase in sunlight compared to the previous months of August and July, which had 262 and 276 hours, respectively. Following a trend of growing daylight from January's 241 hours to May's peak of 367 hours, September's sunshine plays a crucial role in the region's charm, inviting both locals and visitors to enjoy its picturesque landscapes. As the days grow shorter leading into October, which still retains a healthy 323 hours, September stands out as a time when the warmth and vibrancy of Surkhet shine the brightest before the cooler months approach.

Monthly Sunshine Duration in Surkhet: September Highlighted

The September sunshine duration represents the total number of hours Surkhet 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.
JanFebMarAprMayJunJulAugSepOctNovDec241h283h341h351h367h344h276h262h311h323h293h291h
Data source: Surkhet September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Surkhet During September

In Surkhet, Nepal, the chances of sunny weather experience a notable decline as the monsoon season progresses. September, often regarded as a transitional month, boasts only a 29% chance of sunshine, significantly lower than the peaks of earlier months like February or March, which enjoy over 80% sunshine potential. The trend is clear: as the year moves from the dry winter months into the wet summer season, sunny days become increasingly rare, with July and August plunging to a mere 11% and 10% respectively. As the clouds begin to disperse in October, the likelihood of sun rises again to 64%, hinting at a welcome return of clearer skies.

Percentage of Sunny Days in September in Surkhet

The chart illustrates the percentage of sunny days in Surkhet 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 Surkhet experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%81%82%79%48%30%11%10%29%64%57%64%
Data source: Surkhet September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Surkhet in September

The month of September in Surkhet, Nepal, offers a slight retreat in daylight, with approximately 12 hours of sun each day. Following the peak summer months, which bask in 13 hours of daylight from May through August, September marks a gradual transition towards the shorter days of autumn. This trend continues into October, where daylight dips to 11 hours, and stays consistent through November and December. As the year progresses, daylight hours fluctuate subtly, creating a rhythmic cycle that mirrors the changing seasons, making each month in Surkhet unique in its own right.

Average Daylight Hours in Surkhet for September

The chart illustrates the variation in daylight duration in Surkhet throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 32m11h 10m11h 59m12h 51m13h 33m13h 54m13h 43m13h 6m12h 17m11h 27m10h 43m10h 20m
Data source: Surkhet daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Surkhet

In September, Surkhet, Nepal, experiences the calm embrace of gentle breezes, with average wind speeds reaching a tranquil 0.9 m/s (2 mph). This marks a continuation of a trend observed from the summer months, where winds notably slow down from the lively gusts of earlier spring. As the monsoon recedes, the once robust winds of April begin to wane, leading into a quieter autumn. This shift not only contributes to a serene atmosphere but also encapsulates the region's transition into a period of reflection and subtle change, perfectly mirroring the serene beauty of Surkhet's landscape during this time.

Average September Wind Speed in Surkhet

The chart displays monthly wind speed patterns in Surkhet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.31.51.81.31.00.90.90.9 m/s1.01.11.0
Data source: Surkhet September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Surkhet Compares to Other Months

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

September weather in Surkhet is characterized by warm temperatures, with a minimum of 19°C (66°F), an average of 25°C (77°F), and a maximum reaching 32°C (90°F). This month sees significant rainfall, totaling 295 mm (11.6 in) over 28 days, and high humidity levels at around 84%.

In contrast, January presents a much cooler climate, with temperatures dropping to a minimum of 2°C (36°F) and an average of 11°C (52°F), peaking at 24°C (76°F). Rainfall is minimal, with only 39 mm (1.5 in) occurring over just 5 days, and humidity decreases to a more comfortable 56%. For a closer look at January conditions, visit Surkhet weather in January.

When comparing the weather in September and February, there is a noticeable contrast in both temperature and precipitation. September experiences warmer temperatures with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (90°F). In contrast, February boasts much cooler temperatures, starting from a minimum of 4°C (39°F) and averaging 14°C (58°F), with highs reaching 27°C (82°F). Additionally, September is characterized by higher humidity at 84% and significant rainfall of 295 mm (11.6 in) over 28 days, whereas February has a much drier climate, with only 45 mm (1.8 in) of precipitation over just 6 days and a humidity level of 55%. For more details on February weather conditions, you can check Surkhet weather in February.

In September, the weather in Surkhet is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (90°F). However, it is also the wettest month, receiving significant precipitation of 295 mm (11.6 in) spread over 28 days, resulting in high humidity levels of 84%. In stark contrast, March tends to be much cooler, with temperatures ranging from a minimum of 5°C (42°F) to an average of 19°C (67°F), and a maximum of 33°C (91°F). Additionally, March is relatively dry, with only 26 mm (1.0 in) of precipitation over 6 days and a much lower humidity level of 41%. For a detailed insight into March weather patterns, you can visit Surkhet weather in March.

The weather in September is characterized by higher humidity and more rainfall compared to April, with average temperatures reaching 25°C (77°F) and maximums peaking at 32°C (90°F). In contrast, April experiences milder temperatures ranging from a minimum of 12°C (53°F) to a maximum of 35°C (96°F) and significantly less precipitation, averaging only 48 mm (1.9 in) over just 8 days. The stark difference in humidity is also notable, with September's levels at 84% compared to April's 35%. For a detailed look at the conditions in April, you can check Surkhet weather in April.

In September, temperatures in Surkhet range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F), with an average temperature of 25°C (77°F). The month is characterized by high humidity at 84% and significant precipitation, totaling 295 mm (11.6 in) over 28 days. In contrast, May offers warmer conditions with temperatures ranging from a minimum of 14°C (58°F) to a peak of 36°C (97°F), while maintaining an average of 25°C (78°F). The humidity is much lower at 38%, and the rainfall is substantially less, with only 97 mm (3.8 in) spread over 13 days. For more information about the weather in May, visit Surkhet weather in May.

In comparing the weather of September and June, we see notable differences in both temperature and precipitation. September tends to have a minimum temperature of 19°C (66°F) and an average of 25°C (77°F), with maximums reaching 32°C (90°F). In contrast, June typically features slightly lower minimum temperatures at 18°C (65°F) and an average of 26°C (79°F), but can spike to a high of 38°C (100°F). Additionally, September experiences heavier rainfall with 295 mm (11.6 in) spread over 28 days, compared to June's 335 mm (13.2 in) over just 20 days, resulting in a much drier atmosphere in June with only 47% humidity versus September's 84%. For more detailed information, refer to Surkhet weather in June.

When comparing the weather in September and July, both months feature similar temperature ranges, with average highs reaching around 32°C (90°F). However, September experiences slightly cooler minimum temperatures, averaging 19°C (66°F) compared to July's 20°C (69°F). Interestingly, July is significantly wetter, receiving 590 mm (23.2 in) of precipitation over 31 days, while September sees a substantial reduction in rainfall, amounting to 295 mm (11.6 in) over 28 days. Despite this, September maintains higher humidity levels at 84%, compared to July's 80%. For more detailed information, you can check Surkhet weather in July.

In comparing the weather of September to August, we see that September experiences slightly cooler minimum temperatures, averaging 19°C (66°F) compared to August's 21°C (71°F). While both months share the same maximum temperature of 32°C (90°F) and an average temperature of around 25°C (77°F), September is notably drier, with only 295 mm (11.6 in) of precipitation across 28 days, as opposed to August's substantial 565 mm (22.2 in) of rain over 30 days. Additionally, humidity levels are lower in September at 84% compared to August's 89%. For more detailed insights on August weather, you can explore Surkhet weather in August.

September and October present a striking contrast in weather patterns. In September, the temperatures are warmer, with a minimum of 19°C (66°F) and an average of 25°C (77°F), while October sees a drop in the minimum temperature to 11°C (52°F) and an average of 22°C (72°F). Although both months can reach a maximum of 32°C (90°F), September is characterized by significantly higher humidity at 84%, compared to October's 64%. Additionally, September experiences much more rainfall, totaling 295 mm (11.6 in) over 28 days, while October has only 71 mm (2.8 in) over 8 days. For more detailed information, you can check Surkhet weather in October.

In September, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average of 25°C (77°F), reaching up to a maximum of 32°C (90°F). However, this month also brings considerable rainfall, accumulating 295 mm (11.6 in) over 28 days, with high humidity levels at 84%. In contrast, November presents a significant shift; temperatures drop to a minimum of 7°C (45°F) and average around 17°C (63°F), with a maximum of 28°C (83°F). Notably, November sees a stark reduction in precipitation, with only 6 mm (0.3 in) over a single day and lower humidity at 53%. For more detailed information, you can check Surkhet weather in November.

In September, the weather is warm and humid, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (90°F). This month experiences significant rainfall, totaling 295 mm (11.6 in) over 28 days, contributing to a high humidity level of 84%. In contrast, December brings a notable shift in climate, with cooler temperatures averaging between 2°C (36°F) and 24°C (75°F), and a much drier atmosphere, as precipitation drops to just 20 mm (0.8 in) over only 2 days, resulting in a humidity level of 53%. For more information about December weather, you can visit Surkhet weather in December.

Compare Surkhet's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Surkhet

As September unfolds in Surkhet, it marks a transition characterized by a blend of warmth and increasing moisture. Unlike the preceding months, the temperature here reaches a noticeable high of 32°C, while the average settles around a comfortable 25°C. However, what truly sets September apart is the surge in precipitation, with 295 mm falling over 28 days, making it one of the wettest months of the year. The air becomes increasingly humid, hovering at a staggering 84%, which can leave a refreshing yet sticky feel in the atmosphere. This unique weather pattern enhances the lush landscapes, making it a vibrant time to experience the natural beauty of Surkhet. For a deeper dive into the region's climate, check out Surkhet Climate.