Last updated: August 31, 2025
September in Butwal, Nepal presents a dynamic weather experience characterized by warm temperatures and high humidity. With maximums reaching 33°C (92°F) and average temperatures around 26°C (79°F), the month remains notably sultry, with minimums dropping to 21°C (70°F). Travelers and locals alike can expect significant precipitation, as the region receives about 419 mm (16.5 inches) of rain over 28 days. The air is thick with humanity, averaging an impressive 91%, making it essential to stay hydrated and prepared for the frequent showers that define this tropical setting.
In September, Butwal, Nepal experiences a delightful transition as temperatures begin to cool slightly from the summer peak. With minimums averaging around 21°C (70°F) and maximums reaching up to 33°C (92°F), the climate remains warm yet comfortable, perfect for outdoor activities and exploration. The average temperature stabilizes at 26°C (79°F), indicating a gradual shift towards the cooler months ahead. This month marks a subtle end to the sweltering summer, while still holding onto the warmth that characterizes this vibrant region. As Butwal eases into autumn, travelers and locals alike can enjoy the blend of lingering heat with the gentler approach of fall.
In September, Butwal, Nepal, experiences a significant shift in precipitation dynamics as it transitions from the peak of the monsoon season. With 419 mm (16.5 inches) of rainfall over 28 days, the month serves as a continuation of the heavy rains that characterize the summer months, though not as intense as July and August. This notable amount signifies a decrease from the preceding months, yet September remains one of the wettest months of the year. As the monsoon begins to wane, the frequency of rainy days slightly lessens, suggesting a gradual easing into the drier season ahead. This pattern reflects a typical monsoonal rhythm, highlighting how Butwal's weather is intricately tied to seasonal changes.
September in Butwal, Nepal, is characterized by notably high humidity levels, peaking at 91%, a reflection of the region’s transition from the intense monsoon season in August. This humid atmosphere is a continuation of the trend observed in the preceding months, where July and August also recorded elevated humidity levels of 90% and 91%, respectively. As the year progresses from the drier months of January to April, where humidity dips to a low of 24% in April, September marks a significant return to moisture-laden air. Post-September, humidity levels gradually decline, yet remain relatively high in October at 86%, indicating that while the monsoon edges away, the lingering tropical moisture continues to influence the region's weather. The consistent humidity throughout the latter half of the year underscores the climatic rhythms of Butwal, positioning September as a distinctly muggy month that climaxes the monsoon’s impact.
In September, Butwal experiences an UV Index of 11, categorizing it as extreme with a burn time of just 10 minutes. This trend marks a continuation of the summer months' intense UV levels, peaking in July at 13 and remaining high through August. As September transitions into the cooler months, the UV index slightly decreases but remains a concern, urging residents and visitors alike to take proper precautions against sun exposure. With a pattern of high UV readings forming since March, it's essential to stay informed and protected. For more detailed information on daily UV levels, visit Butwal UV Index.
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September in Butwal, Nepal, basks in an inviting 292 hours of sunshine, showcasing a delightful transition from the vibrant summer months. Following a peak of 357 hours in May, the sunlight gradually diminishes over the summer, yet September's figures remain robust, easily outpacing the cloudy months of July and August. As the monsoon recedes, this month marks a refreshing interlude, promising clear skies that invite exploration and outdoor adventures. With the approaching autumn months, where sunshine rises again to 320 hours in October, September stands out as a beautiful bridge between the lingering warmth of summer and the crispness of fall.
In September, the likelihood of sunny weather in Butwal, Nepal, dips to 25%, marking a noticeable decline from the vibrant sunshine typical of earlier months. This reduction is part of a broader trend observed during the monsoon season, where sunshine significantly diminishes, beginning in May and reaching a low in July and August. As the rains begin to recede, September still struggles under the remnants of this wet season, offering only sporadic sunny days amidst the lingering clouds. Fortunately, as October approaches, the sun makes a triumphant return, with chances of clear skies recovering to 64%. Thus, September presents a transitional phase in Butwal's weather, reminding us that while sunny days may be fewer, the promise of brighter skies is just around the corner.
In Butwal, Nepal, September marks a gentle transition as daylight gradually shifts from the peak brightness of summer months. With about 12 hours of sunlight, the day length begins to decline after reaching a high of 13 hours from May to August. This trend reflects a gradual tapering off as the days become shorter, hinting at the approaching autumn. It's an inviting time to experience the gradual change in light, where the lush greenery of the monsoon season still thrives under the softening sun. The consistent daylight hours of early spring and summer showcase the vibrant energy of the region, while the subtle decrease in September prepares the landscape for the cooler, shorter days of fall.
As September rolls into Butwal, Nepal, the winds remain gently consistent, with an average speed of 1.3 m/s (3 mph). This marks a subtle return to the calmness typical of the preceding months, following a brief uptick in wind activity during the spring. Throughout the year, Butwal experiences a slight increase in wind speeds from January through April, peaking at 2.0 m/s (5 mph) in April, before settling back into the mellow breezes of late summer. September's winds mirror those of January, illustrating a notable stability in the region's climate as it transitions into the cooler months ahead. Despite the overall gentle airflow, the slight fluctuations hint at the dynamic environment, creating a serene backdrop for the vibrant life in Butwal.
Weather in Butwal varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Butwal, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F), creating a warm and humid atmosphere. This month is characterized by significant rainfall, totaling 419 mm (16.5 in) over 28 days, leading to high humidity levels of 91%. In contrast, January sees much cooler temperatures with a minimum of 3°C (38°F) and a maximum of 25°C (78°F), averaging around 12°C (55°F). Precipitation drops dramatically to just 25 mm (1.0 in) over 3 days, with a lower humidity level of 65%. For more details about the weather in January, you can check Butwal weather in January.
September and February present two strikingly different weather profiles. In September, temperatures range from a warm 21°C (70°F) at night to a hot 33°C (92°F) during the day, accompanied by high humidity at 91% and significant rainfall totaling 419 mm over 28 days. In contrast, February boasts much cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 28°C (83°F), along with notably lower precipitation of just 25 mm over 4 days and a humidity level of 55%. This stark contrast highlights September's humid, rainy season compared to February's dry, mild climate. For more details, check out Butwal weather in February.
September and March exhibit striking contrasts in weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a sweltering maximum of 33°C (92°F), with an average temperature of 26°C (79°F). This month is notably marked by high humidity levels at 91% and significant rainfall of 419 mm (16.5 in) spread over 28 days. In contrast, March offers a more temperate climate, with temperatures ranging from a cooler minimum of 7°C (45°F) to a maximum of 32°C (91°F) and an average of 21°C (69°F). Additionally, precipitation is minimal in March at only 27 mm (1.1 in) over just 7 days, accompanied by a much lower humidity level of 39%. For a detailed look at weather specifics, check out Butwal weather in March.
September and April present contrasting weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). The month is characterized by high humidity at 91% and significant rainfall, totaling 419 mm (16.5 in) over 28 days. In contrast, April features warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 36°C (97°F), averaging around 24°C (76°F). Rainfall is considerably lighter in April, with only 69 mm (2.7 in) over 12 days and a much lower humidity level of 24%. For more details on the weather specifics, you can check Butwal weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). This month is characterized by high humidity at 91% and significant precipitation, amounting to 419 mm (16.5 in) over 28 days. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 15°C (60°F) to a scorching maximum of 37°C (99°F), and an average of 25°C (78°F). However, May experiences much less rainfall, totaling 188 mm (7.4 in) over 21 days, coupled with a much lower humidity of 36%. For more specifics about the weather in Butwal during May, you can visit Butwal weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures, with September averaging 26°C (79°F) and June slightly warmer at 27°C (80°F). However, June experiences a higher maximum temperature, peaking at 37°C (99°F), compared to September's maximum of 33°C (92°F). Both months are also characterized by significant rainfall, with September receiving about 419 mm (16.5 in) over 28 days and June slightly less at 405 mm (15.9 in) across 27 days. Notably, humidity levels are much higher in September at 91%, while June has a more comfortable humidity of 65%. For more specific details about June weather, you can visit Butwal weather in June.
In comparing the weather of September and July, both months exhibit warm temperatures, with September having a minimum of 21°C (70°F) and an average of 26°C (79°F), while July starts slightly warmer with a minimum of 22°C (72°F) and an average of 26°C (80°F). July tends to be slightly hotter overall, peaking at a maximum of 34°C (94°F) compared to September’s maximum of 33°C (92°F). However, July also sees significantly more rainfall, with a total precipitation of 726 mm (28.6 in) over 30 days, in contrast to September's 419 mm (16.5 in) over 28 days, indicating a wetter climate during the earlier month. Humidity levels remain high in both months, with September at 91% and July at 90%. For a detailed look at July weather specifically, you can refer to Butwal weather in July.
In comparing the weather of September to August, we observe that September generally features slightly lower temperatures, with a minimum of 21°C (70°F) and a maximum of 33°C (92°F), compared to August's minimum of 22°C (72°F) and maximum of 35°C (95°F). While both months have an average temperature of around 26°C (79°F), September experiences significantly less rainfall, with 419 mm (16.5 in) of precipitation over 28 days, compared to August’s 644 mm (25.3 in) over 30 days. Nevertheless, both months maintain a high humidity level of 91%, contributing to a muggy atmosphere. For a more detailed look into August's weather conditions, you can refer to Butwal weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 21°C (70°F) and an average of 26°C (79°F), while October sees a noticeable drop in the minimum temperature to 12°C (53°F) and a cooler average of 23°C (74°F). Though both months can reach a maximum of 33°C (91°F), September is significantly wetter, with 419 mm (16.5 in) of precipitation spread over 28 days compared to October's much lighter rainfall of 66 mm (2.6 in) over just 12 days. Humidity remains high in both months, but is slightly lower in October at 86% compared to September's 91%. For more detailed insights on October weather, you can refer to Butwal weather in October.
In September, the weather is characterized by warm temperatures, with average highs reaching up to 33°C (92°F) and a notably high humidity of 91%. This month experiences significant rainfall, with 419 mm (16.5 in) of precipitation spread over 28 days, making it quite a wet time of year. In contrast, November sees a dramatic shift; temperatures dip, with averages around 18°C (65°F) and maximums reaching 30°C (87°F). Furthermore, November is much drier, receiving only 7 mm (0.3 in) of precipitation in just one day, and humidity levels drop to 79%. This transition highlights the significant seasonal change in climate leading into the cooler, drier months. For more detailed information, you can check Butwal weather in November.
September and December present starkly contrasting weather patterns. In September, temperatures are significantly warmer, with a minimum of 21°C (70°F) and an average of 26°C (79°F), reaching up to a scorching 33°C (92°F). The month also sees high humidity levels at 91% and substantial rainfall of 419 mm (16.5 in) spread over 28 days, making it a wet month. In contrast, December experiences much cooler temperatures, with a minimum of 4°C (40°F) and an average of 14°C (58°F), peaking at 25°C (78°F). Precipitation drops dramatically to just 13 mm (0.5 in) over a mere 1 day, and humidity decreases to 75%, marking a transition to a drier, winter climate. For more detailed information, check out Butwal weather in December.
As September unfolds in Butwal, it brings a unique blend of warmth and moisture that distinctly sets it apart from other months. With high humidity levels reaching 91%, the atmosphere feels quite tropical, while temperatures hover between a pleasant average of 26°C and a maximum of 33°C. However, what truly defines this month is the significant rainfall, totaling 419 mm over nearly every day, making it one of the wettest times of the year. This combination of warmth and persistent precipitation not only enhances the lush landscapes but also serves as a stark contrast to the drier, cooler months that follow. For a deeper dive into Butwal's climate variations, check out Butwal Climate.