Last updated: August 31, 2025
In September, Birendranagar, Nepal, experiences warm and humid conditions, with maximum temperatures reaching up to 34°C (93°F) and an average of 26°C (80°F). The minimum temperature hovers around 20°C (69°F), creating a comfortable yet warm atmosphere. Notably, this month is marked by significant precipitation, with 282 mm (11.1 in) of rain falling over approximately 24 days. The relative humidity remains high at 84%, contributing to a lush and vibrant environment, typical of Nepal's transition into the wetter season.
In September, Birendranagar experiences a subtle transition as summer's warmth begins to wane, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 34°C (93°F). The average temperature settles around 26°C (80°F), providing a pleasant environment for both locals and visitors. Following a hot and humid summer, this month marks a slight decrease in nighttime warmth, hinting at the approaching fall. While still embracing some of the intensity of the preceding months, September's weather fosters a comfortable atmosphere ideal for outdoor activities, making it a delightful time to explore the natural beauty of Nepal. As the city gears up for the upcoming cooler months, the warmth of September offers a gentle farewell to summer's embrace.
In September, Birendranagar, Nepal, experiences a significant shift in precipitation patterns, receiving 282 mm (11.1 in) of rain over 24 days. This month marks a transition from the monsoon's peak, where rainfall starts to taper off after the heavy deluge of August, which recorded an impressive 588 mm (23.2 in) over the same number of days. Interestingly, September maintains a high number of rainy days, indicating that while the total amount of precipitation decreases from summer's peak, the region continues to be wet. This trend suggests a gradual easing into drier months, paving the way for October's significantly reduced rainfall of just 53 mm (2.1 in), highlighting Birendranagar's typical climatic rhythm as it moves from the lush, rain-soaked summer into the more arid autumn season.
In Birendranagar, Nepal, September marks a notable transition in humidity levels, with the month experiencing an average of 84%—a continuation of the high humidity trend established in the preceding summer months. After reaching a peak of 89% in August, that atmospheric moisture does not drop drastically, indicating a persistent tropical influence. This high humidity is a stark contrast to the 35% recorded in the drier months of April and May, illustrating the region's shift from the dry season into a wetter phase. As the year progresses into October, humidity levels are expected to decrease to 64%, signaling the gradual end of the monsoon season. Thus, September serves as a bridge between the sultry summer and the relatively more comfortable autumn climate, making it a unique time in Birendranagar's yearly weather cycle.
As the month of September rolls into Birendranagar, the UV Index signals a noteworthy trend. With a reading of 10, the index is categorized as very high, making it essential for sun-seekers to take precautions, as the burn time drops to just 15 minutes. This month sees the UV levels retreating slightly from the summer peak, where they reached an extreme of 13 in July. However, the high index persists, underscoring the necessity for sun protection even as autumn approaches. Those planning outdoor activities should remain vigilant and informed. For detailed insights, visit Birendranagar UV Index.
UV Risk Categories
In September, Birendranagar enjoys a delightful 311 hours of sunshine, marking a vibrant transition into autumn. This month stands out with significant sunlight after the summer peak in May, which recorded the highest at 367 hours. As the monsoon recedes, September experiences a refreshing decline in cloud cover, contributing to its ample daylight. While the sunny hours decrease compared to the bright summer months, they remain well above the winter averages, signaling the gradual shift towards a cozy season. This harmonious balance of light sets a perfect backdrop for outdoor activities and cultural festivities, making September a cherished time in the region.
In September, the likelihood of sunny weather in Birendranagar, Nepal falls to about 32%, marking a notable dip following the monsoon months of July and August, where sunshine is scarce, with chances plummeting to just 13% and 12%, respectively. As the monsoon season gradually recedes, September offers a slight reprieve, though the weather remains predominantly cloudy. This trend underscores the transitional nature of the month, with clearer days becoming more frequent as October approaches, raising the chances of sunshine to 70%. Thus, while September may not promise abundant sunshine, it paves the way for the returning clarity of fall.
In Birendranagar, Nepal, the rhythm of daylight shifts throughout the year, creating a captivating pattern. As we transition into September, the daylight duration starts to recede slightly, offering around 12 hours of sunlight each day. This decrease follows a peak during the summer months of May through August, when the days extended to a robust 13 hours. Interestingly, the gradual decline in daylight marks the onset of autumn, leading into October with 11 hours of light. Overall, the sunlight hours reveal a harmonious ebb and flow, with the longest days in summer gracefully giving way to the shorter, cozier days of fall and winter.
In September, Birendranagar experiences a gentle lull in its winds, with an average speed of just 1.0 m/s (2 mph). This marks the continuation of a downward trend in wind speed that began mid-summer, as the breezy conditions that characterize the earlier months begin to fade. The transition into autumn sees fewer gusts, with September mirroring the stillness of August and July, both of which also recorded low averages. This calm ambiance is a stark contrast to the increasing vibrancy of the surrounding landscapes, where the coming season will soon paint the hillsides in rich hues. As the air settles, it creates an inviting atmosphere for residents and visitors alike to enjoy the serene beauty of Birendranagar during this tranquil time of year.
Weather in Birendranagar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Birendranagar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warm and humid, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 34°C (93°F) and an average of 26°C (80°F). This month sees significant precipitation, with 282 mm (11.1 in) falling over 24 days, resulting in humidity levels around 84%. In contrast, January brings a much cooler climate, with temperatures dipping to a minimum of 4°C (40°F) and reaching a maximum of 25°C (78°F), averaging just 12°C (54°F). The precipitation drops sharply to 35 mm (1.4 in) over only 4 days, and humidity levels decrease to 56%. For a closer look at the weather specifics, you can explore Birendranagar weather in January.
September and February showcase stark contrasts in weather. In September, temperatures range from a warm minimum of 20°C (69°F) to a scorching maximum of 34°C (93°F), with an average of 26°C (80°F). This month is also characterized by significant rainfall, accumulating 282 mm (11.1 in) over 24 days, leading to a high humidity level of 84%. In contrast, February sees much cooler conditions, with temperatures ranging from a low of 5°C (42°F) to a high of 29°C (85°F), and an average temperature of 16°C (60°F). The precipitation is considerably lower at just 32 mm (1.3 in) over 5 days, coupled with a humidity level of 55%. For more detailed weather insights, visit Birendranagar weather in February.
In comparing the weather between September and March, significant differences emerge. September experiences warmer temperatures with a minimum of 20°C (69°F) and an average of 26°C (80°F), while March starts cooler with a minimum of 8°C (46°F) and an average of 21°C (70°F). Both months can peak at around 34°C (93°F in September and 94°F in March), but September is considerably wetter, receiving 282 mm (11.1 in) of rainfall over 24 days compared to just 18 mm (0.7 in) on 3 days in March. Additionally, humidity levels drastically differ, with September at 84% and March at a much lower 41%. For more detailed information, you can explore Birendranagar weather in March.
When comparing the weather in September and April, notable differences emerge in temperature, precipitation, and humidity. September features a warmer average temperature of 26°C (80°F), with highs reaching up to 34°C (93°F), but it is accompanied by high humidity at 84% and significant rainfall, totaling 282 mm (11.1 in) over 24 days. In contrast, April boasts a minimum temperature of 12°C (53°F) and averages 25°C (78°F), but it can spike to a scorching maximum of 38°C (100°F). The month is considerably drier, with just 25 mm (1.0 in) of precipitation over only 4 days and much lower humidity at 35%. For a detailed insight into April weather specifically, you can check Birendranagar weather in April.
In September, the weather showcases high humidity at 84% and significant rainfall, with an average temperature of 26°C (80°F) and total precipitation of 282 mm (11.1 in) over 24 days. In contrast, May tends to be drier and hotter, with lower humidity at 38%, and temperatures peaking at a scorching 38°C (101°F), though average temperatures remain similar at 27°C (81°F) and only 55 mm (2.2 in) of rain over just 8 days. For a closer look at the specifics, check out Birendranagar weather in May.
Comparing the weather in September and June reveals distinct differences in temperature and humidity levels. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (93°F), with an average of 26°C (80°F). The month experiences high humidity at 84% and significant rainfall, totaling 282 mm (11.1 in) over 24 days. In contrast, June sees slightly lower minimum temperatures at 19°C (67°F) and a higher average of 28°C (82°F), with maximum temperatures soaring up to 39°C (103°F). This month has comparatively less humidity at 47% and slightly lower precipitation of 272 mm (10.7 in) over just 17 days. For more specific details on June weather patterns, you can visit Birendranagar weather in June.
In comparing the weather of July and September, July tends to be slightly warmer with a minimum temperature of 22°C (72°F) and an average of 27°C (80°F), while September's temperatures range from a minimum of 20°C (69°F) to an average of 26°C (80°F). Both months share the same maximum temperature of 34°C (93°F). However, July experiences significantly more rainfall, totaling 550 mm (21.7 in) over 30 days, compared to September's 282 mm (11.1 in) over 24 days. Additionally, the humidity level is marginally higher in September at 84%, compared to July’s 80%. For a more detailed look at July weather, you can refer to Birendranagar weather in July.
In comparing the weather of September and August, we see notable differences in temperature and precipitation. September features a slightly lower minimum temperature of 20°C (69°F) compared to August's 22°C (72°F), while the average temperatures remain relatively similar at 26°C (80°F) for September and 27°C (80°F) for August. However, August experiences significantly higher precipitation, accumulating 588 mm (23.2 in) across 30 days, compared to September's 282 mm (11.1 in) over 24 days. Humidity levels are also higher in August at 89%, compared to 84% in September. For a closer look at the August weather specifics, visit Birendranagar weather in August.
September and October present a notable contrast in weather patterns. September is characterized by warmer temperatures, with daily averages around 26°C (80°F) and highs reaching up to 34°C (93°F). However, it also sees significant rainfall, accumulating 282 mm (11.1 in) over 24 rainy days, coupled with high humidity levels at 84%. In contrast, October experiences cooler temperatures, featuring a minimum of 12°C (54°F) and an average of 23°C (74°F), with maximums reaching 33°C (92°F). Rainfall decreases dramatically to just 53 mm (2.1 in) over 5 days, and humidity drops to a more comfortable 64%. This shift indicates a transition from the wet, warm conditions of September to the drier, milder climate of October. For more details, check Birendranagar weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a minimum of 20°C (69°F) to a sweltering maximum of 34°C (93°F), accompanied by high humidity levels of 84% and significant precipitation of 282 mm (11.1 in) over approximately 24 days. In contrast, November brings much cooler temperatures, with a minimum of 9°C (48°F) and an average of 18°C (65°F), peaking at 30°C (86°F). This month is characterized by minimal rainfall, with only 3 mm (0.1 in) recorded and no rainy days, alongside a significantly lower humidity level of 53%. For more specific details about the weather in November, you can check Birendranagar weather in November.
September and December weather present a striking contrast. September boasts warm, tropical temperatures with a minimum of 20°C (69°F) and averages around 26°C (80°F), peaking at 34°C (93°F). The month is characterized by high humidity at 84% and substantial rainfall, accumulating 282 mm (11.1 in) over 24 days, making it one of the wettest times of the year. In contrast, December experiences much cooler temperatures, with a minimum of 3°C (37°F), an average of 14°C (57°F), and a maximum of 25°C (78°F). Precipitation significantly drops to just 18 mm (0.7 in) over a mere 2 days, and humidity levels decrease to 53%. For more detailed insights, you can visit Birendranagar weather in December.
September in Birendranagar is characterized by a shift towards higher humidity and increased rainfall, setting it apart from the preceding months. With average temperatures hovering around a comfortable 26°C (80°F), the month brings a noticeable refreshing warmth following the summer heat. However, the substantial precipitation of 282 mm over 24 days makes this month one of the wettest, creating a lush, vibrant landscape. The prevalence of moisture in the air, with humidity levels reaching an impressive 84%, adds to the tropical feel of the region. For a deeper understanding of the weather dynamics throughout the year, visit Birendranagar Climate.