September Weather in Hetauda, Nepal

Last updated: August 31, 2025

September weather in Hetauda, Nepal is characterized by mild temperatures and significant rainfall. The maximum temperature reaches around 32°C (89°F), while the average settles at a comfortable 25°C (77°F), with a minimum of 19°C (67°F). This month witnesses a remarkable precipitation total of 315 mm (12.4 in) over approximately 29 days, resulting in a high humidity level of 91%. The combination of warmth and moisture creates a lush, vibrant environment, typical of this enchanting region during the monsoon season.

September Temperature in Hetauda

In September, Hetauda, Nepal experiences a gentle transition in temperatures as monsoon season comes to a close. With minimums around 19°C (67°F) and averages peaking at 25°C (77°F), the weather remains pleasantly warm, providing a comfortable backdrop for outdoor activities. The maximum temperatures moderate slightly to a maximum of 32°C (89°F), making for ideal conditions to explore the stunning landscapes of the region. As the month progresses, the decline in temperature hints at the upcoming autumn, transitioning from the humid warmth of summer to the cooler, crisp air of October. This gradual shift not only creates a more enjoyable climate for visitors but also showcases the vibrant foliage that begins to emerge, enhancing Hetauda's natural beauty.

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

The chart illustrates September temperature patterns in Hetauda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hetauda, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535968737578777776726356
Data source: Temperature data for Hetauda 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 Hetauda

September in Hetauda, Nepal, marks a significant transition in precipitation patterns as the monsoon begins to wane. With 315 mm (12.4 in) of rainfall accumulated over 29 days, this month continues to reflect the tail end of the heavy rains that characterize the wet season, featuring a noticeable decline from the peak precipitation of July and August. The consistent drizzle not only nourishes the landscape but also highlights the gradual reduction in rainfall frequency as the region shifts into the drier months ahead. This trend of diminishing precipitation indicates that Hetauda is moving towards a more stable weather pattern, paving the way for the subsequent months with notably less rainfall. The high levels recorded this September showcase the residual effects of the monsoon, while also hinting at the dry conditions expected in October and beyond.

September Precipitation Trends in Hetauda

The chart displays monthly precipitation patterns in Hetauda, 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 Hetauda, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2728398423133378154631597615
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hetauda

In Hetauda, Nepal, September marks a peak in humidity levels, reaching an impressive 91%. This follows the trend established in the preceding months of July and August, which also showcase high humidity, with figures consistently near or above 90%. The transition from the dry spells of earlier months, like April at a mere 24%, to the more humid conditions of mid-year is striking. Interestingly, after September, humidity slightly declines to 86% in October but remains relatively high as the year draws to a close. This pattern highlights a significant seasonal shift, where the monsoon months lead to increased moisture in the air, creating a lush and vibrant environment in this region.

September Average Humidity in Hetauda

This chart illustrates the average monthly humidity levels in Hetauda, 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 Hetauda is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%55%39%24%36%65%90%91%91%86%79%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hetauda

In September, Hetauda experiences a UV Index of 11, categorized as extreme, with a relatively brief burn time of just 10 minutes. This marks a slight decrease from the scorching highs of June to August, where the UV Index peaked at 13, illustrating a trend toward slightly less intense sun exposure as the monsoon gives way to autumn. Despite the reduction, the UV Index in September remains high, necessitating precautions for sun safety. It's crucial for residents and visitors to remain vigilant and protect their skin during this time. For more detailed information, check out the full Hetauda UV Index.

Maximum UV Index Levels in Hetauda for September

The chart shows the monthly maximum UV Index (UVI) for Hetauda 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 Hetauda typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101113131311975
Data source: Hetauda 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 Hetauda

September in Hetauda, Nepal, ushers in a vibrant mix of sunshine and serenity, boasting 278 hours of sunlight. This month serves as a charming bridge between the intense heat of summer and the cooler embrace of autumn. Following a peak in sunlight during May, the hours gradually dip, yet September remains comfortably lit compared to the earlier months of the rainy season. As the skies clear and the temperatures mellow, it's an enchanting time for outdoor enthusiasts and nature lovers alike, marking a shift toward more temperate weather while still basking in the warmth of the sun. This gentle decline from the summer peak highlights Hetauda’s dynamic climate, inviting residents and visitors to enjoy the enchanting landscapes under a generous canopy of light.

Monthly Sunshine Duration in Hetauda: September Highlighted

The September sunshine duration represents the total number of hours Hetauda 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h280h337h339h349h327h244h264h278h316h289h288h
Data source: Hetauda September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hetauda During September

In Hetauda, Nepal, the likelihood of enjoying sunny weather significantly fluctuates throughout the year. From January to April, the chances of sunshine are quite high, peaking at 77% in both February and March. However, as the monsoon season sets in with May to August, the likelihood of sunshine plunges dramatically, dropping to a mere 3% in August. September sees a slight recovery to 19%, marking a transitional phase where sunny days become more frequent, but still remain limited compared to earlier months. As the weather shifts towards fall, the chances of sunny days gradually increase again, reaching 56% in October. Thus, while September does offer a glimpse of sunlight, it is still overshadowed by the heavy rains of the preceding months.

Percentage of Sunny Days in September in Hetauda

The chart illustrates the percentage of sunny days in Hetauda 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 Hetauda experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%77%77%76%36%25%6%4%19%56%67%69%
Data source: Hetauda September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hetauda in September

In Hetauda, Nepal, September marks a transition in daylight duration, with the sun gracing the city for approximately 12 hours each day. This gradual decline from the 13-hour peak seen during the vibrant summer months signals the approaching autumn. As the year progresses from the long, sunlit days of May through August, the steady reduction in daylight serves as a gentle reminder of the changing seasons. Following September, daylight further decreases, eventually settling back to 10 hours by the end of the year, creating a rhythm that beautifully encapsulates Hetauda's annual cycle of light.

Average Daylight Hours in Hetauda for September

The chart illustrates the variation in daylight duration in Hetauda throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 36m11h 12m12h12h 48m13h 29m13h 49m13h 39m13h 3m12h 17m11h 28m10h 46m10h 25m
Data source: Hetauda daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hetauda

In Hetauda, Nepal, the September winds whisper a gentle lull, with an average speed of just 1.1 m/s (2 mph). This marks a slight decline from the summer months, where winds remained a touch more vibrant. As the year transitions into autumn, the breezes tend to mellow, reflecting the overall trend of diminishing wind speeds observed from March's peak of 1.7 m/s (4 mph) down to this subtler September flow. The pattern suggests a softening atmosphere, perfect for enjoying the serene beauty of the region's landscape as nature prepares for the shift towards cooler months. Such tranquil conditions invite residents and visitors alike to embrace the harmony of early autumn in this picturesque locale.

Average September Wind Speed in Hetauda

The chart displays monthly wind speed patterns in Hetauda, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.41.71.91.31.41.21.21.1 m/s1.11.21.3
Data source: Hetauda September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hetauda Compares to Other Months

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

In September, the weather is typically warm and humid, with temperatures ranging from a comfortable 19°C (67°F) at night to a peak of 32°C (89°F) during the day. This month is characterized by significant rainfall, averaging 315 mm (12.4 in) across 29 days, resulting in a high humidity level of 91%. In contrast, January features much cooler temperatures, with a minimum of 4°C (40°F) and an average of 12°C (54°F), reaching a maximum of 25°C (77°F). Additionally, January is notably drier, receiving only 27 mm (1.1 in) of precipitation over just 4 days, and the humidity drops to a more comfortable 65%. For a deeper insight into January conditions, check Hetauda weather in January.

September and February present a stark contrast in weather conditions. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). The month is characterized by high humidity at 91% and significant rainfall, totaling 315 mm (12.4 in) over 29 days. In contrast, February features much cooler temperatures, with a minimum of 5°C (41°F) and an average of 15°C (59°F), peaking at 27°C (81°F). Precipitation is minimal, with only 28 mm (1.1 in) over 5 days, and humidity drops to 55%. For more detailed insights, you can check Hetauda weather in February.

In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), reaching highs of 32°C (89°F). However, this month also sees significant rainfall, with 315 mm (12.4 in) spread over 29 days and high humidity levels at 91%. In contrast, March offers a cooler climate, starting with minimum temperatures of 6°C (43°F) and an average of 20°C (68°F), while still reaching similar maximum highs of 32°C (91°F). Precipitation is much lower in March at 39 mm (1.5 in), occurring over just 7 days, along with a humidity level of 39%. For more details on March weather, you can check Hetauda weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). This month is marked by significant rainfall, accumulating 315 mm (12.4 in) over 29 days, and a high humidity level of 91%, making the atmosphere quite muggy. In contrast, April boasts warmer maximum temperatures reaching 34°C (93°F), but offers more comfortable weather overall, with an average temperature of 23°C (74°F) and much lower precipitation at 84 mm (3.3 in) over just 14 days. The humidity in April also drops dramatically to 24%, providing a more pleasant and dry atmosphere. For specific insights into April's conditions, you can refer to Hetauda weather in April.

In comparing the weather in September and May, we see notable differences in temperature, precipitation, and humidity. September experiences higher temperatures, with minimums around 19°C (67°F) and maximums reaching up to 32°C (89°F), while May has cooler averages with minimums at 15°C (60°F) and maximums peaking at 35°C (95°F). Rainfall is significantly more frequent in September, with 315 mm (12.4 in) of precipitation over 29 days, contrasting with May's 231 mm (9.1 in) over 22 days. Additionally, September has high humidity levels of 91%, creating a more muggy atmosphere compared to the drier conditions in May, which exhibits a much lower humidity level of 36%. For more detailed insights into May weather, you can visit Hetauda weather in May.

When comparing the weather in September and June, both months exhibit relatively warm temperatures, with September having a minimum of 19°C (67°F) and an average of 25°C (77°F), while June has a similar minimum but a slightly higher average of 26°C (78°F). However, June tends to be hotter overall, with a maximum temperature reaching 35°C (96°F), compared to September's maximum of 32°C (89°F). Rainfall is abundant in both months, with September receiving 315 mm (12.4 in) over 29 days, while June accumulates slightly more at 333 mm (13.1 in) over 28 days. Additionally, September has a much higher humidity level at 91%, whereas June's humidity is more comfortable at 65%. For a more detailed look at June weather specifics, you can visit Hetauda weather in June.

When comparing the weather in September to July, both months experience warm temperatures with average highs around 25°C (77°F). However, July tends to be slightly warmer, with a maximum temperature of 33°C (92°F) compared to September’s peak of 32°C (89°F). Despite the similar average temperatures, July is significantly wetter, receiving 781 mm (30.7 in) of precipitation over 31 days, while September sees a substantial drop in rainfall to 315 mm (12.4 in) across 29 days. Humidity levels are comparable, with September at 91% and July at 90%. For more detailed insights on July weather, visit Hetauda weather in July.

In comparing the weather between September and August, September experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 32°C (89°F), compared to August's minimum of 21°C (71°F) and maximum of 33°C (92°F). Despite both months having a high average temperature of around 25°C (77°F), September sees significantly less precipitation at 315 mm (12.4 in) over 29 days compared to August's 546 mm (21.5 in) over 30 days. Interestingly, both months share the same high humidity level of 91%, contributing to a consistently muggy atmosphere. For a detailed look at weather in August, you can refer to Hetauda weather in August.

In September, the weather is distinctly warmer, with average temperatures reaching 25°C (77°F) and highs up to 32°C (89°F). This month experiences significant rainfall, totaling 315 mm (12.4 in) over 29 days, resulting in high humidity levels at 91%. In contrast, October sees a noticeable drop in temperatures, with average readings around 22°C (72°F) and a minimum of 13°C (55°F). The month also features much less precipitation, recording just 97 mm (3.8 in) over 12 days and lower humidity at 86%. For a detailed look at the weather patterns in October, visit Hetauda weather in October.

September weather is characterized by warm temperatures, with minimums around 19°C (67°F) and averages reaching up to 25°C (77°F). The month experiences significant rainfall, totaling 315 mm (12.4 in) over 29 days, accompanied by high humidity levels of 91%. In contrast, November brings a marked shift in climate, with cooler temperatures ranging from a minimum of 9°C (48°F) to an average of 17°C (64°F) and a maximum of 30°C (86°F). Precipitation in November drastically decreases to just 6 mm (0.2 in) over one day, and humidity levels drop to 79%. For a detailed look at what to expect, check out Hetauda weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F), while humidity remains high at 91%. The month is marked by significant rainfall, totaling 315 mm (12.4 in) over 29 days. In contrast, December brings much cooler conditions, with temperatures dropping to a minimum of 4°C (40°F) and an average temperature of 13°C (56°F). Precipitation is minimal, with only 15 mm (0.6 in) falling over just 1 day, and humidity decreases to a comfortable 75%. For a deeper look at December weather specifics, you can visit Hetauda weather in December.

Compare Hetauda's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hetauda

As September unfolds in Hetauda, the weather takes on a distinctive character compared to the drier and hotter months preceding it. This time of year ushers in a notable increase in humidity, creating a muggy atmosphere alongside frequent rainfall. The city experiences nearly constant precipitation, with daily rain showers contributing to a lush environment. While temperatures remain warm, the average drops slightly compared to the peak summer months, making September a transitional period rich in natural beauty and vibrant greenery. For those curious about year-round weather patterns, further insights can be found at Hetauda Climate.