Last updated: August 21, 2025
In September, Gangotri, India experiences a notable transition as summer fades into autumn. The maximum temperature hovers around 14°C (57°F), while the average temperature settles at a brisk 4°C (39°F). Nights can be particularly chilly, with minimum temperatures dropping to -12°C (10°F). September is also marked by significant precipitation, accumulating to 127 mm (5.0 in) over approximately 17 days, resulting in a high humidity level of 83%. This combination of cool temperatures and damp conditions creates a unique atmosphere that showcases the stunning natural beauty of this sacred region, attracting both pilgrims and adventurers alike.
September in Gangotri, India, marks a transitional phase in temperatures as the summer warmth begins to fade into the chill of autumn. With minimum temperatures around -12°C (10°F) and an average hovering at 4°C (39°F), it offers a refreshing coolness compared to the preceding months. Days can warm up to a pleasant 14°C (57°F), making it an inviting time for adventurers and nature lovers. This month sits at a balanced crossroads, bridging the relatively mild summer with the impending cold of winter, as evidenced by the sharp drop in temperatures that follow in October. It’s a time when the majestic landscapes of Gangotri are adorned with the last bursts of color before the snow cloaks the region, beckoning those who seek both tranquility and stunning vistas.
In September, Gangotri experiences a notable uptick in precipitation, with an average of 127 mm (5.0 in) of rainfall spread over 17 days. This month marks a transition as monsoon rains begin to dwindle, yet they remain significant compared to the drier months that follow. The tail end of the heavy rains from July and August still lingers, contributing to September's totals. As temperatures gradually dip, this shift not only nourishes the lush greenery that defines the region but also sets the stage for the drier, cooler conditions of October, which sees a dramatic reduction in precipitation to just 42 mm (1.7 in). Thus, September serves as a pivotal bridge, seamlessly connecting the peak monsoon season to the serene tranquility of autumn.
In September, Gangotri, India experiences a notable increase in humidity, reaching 83%. This month marks a continuation of the trend seen in the preceding months, particularly August's peak at 89%. Following the milder summer months, where humidity levels dipped to their lowest in May at 58%, the wet monsoon season returns with higher moisture content in the air. This trend is reflective of the region's climatic shifts, where humidity begins to stabilize again as the year transitions towards October. Despite the seasonal fluctuations, Gangotri consistently showcases high humidity levels, hovering in the range of 60% to 89% from June to September, highlighting its lush, verdant environment.
In September, Gangotri experiences a moderate dip in the UV Index, reaching 14—still classified as extreme. This marks a slight decrease from the peak levels seen in the earlier months of summer, particularly May, when the UV Index soared to 18. Despite the reduction, outdoor enthusiasts should remain vigilant, as a burn time of only 10 minutes suggests the sun’s intensity can still pose risks. With the UV Index gradually decreasing as the year progresses, travelers are encouraged to stay protected while enjoying the breathtaking landscapes. For more detailed information, visit Gangotri UV Index.
UV Risk Categories
As September unfolds in Gangotri, the region basks in 326 hours of radiant sunshine, continuing a trend of vibrant daylight that characterizes the latter half of the year. Following a peak of 387 hours in the early summer months of May and June, the sunshine begins to gently taper off but remains abundant compared to the winter's modest offering of 227 hours in January. This decline mirrors the gradual transition into autumn, where each day is still graced by a generous amount of sunlight, ensuring that while the summer's heat fades, the allure of this picturesque landscape is amplified. With October promising 344 hours of sunshine, the bright days of September serve as a perfect bridge to the enchanting fall season ahead.
In September, Gangotri experiences a notable dip in sunny weather, with only a 23% chance of sunshine. This marks a significant decline from the sunnier months preceding it, particularly May and June, where the likelihood hovered at 35%. The trend indicates that as monsoon season wraps up, the valley is still under the lingering influence of moisture, resulting in cloudier days. This cloudy backdrop starkly contrasts with the brighter skies that follow in October, where the chance of sunshine rebounds to a much more favorable 70%. Travelers hoping for clear vistas are advised to consider the early fall's unpredictable weather while planning their adventures in this stunning region of India.
As September arrives in Gangotri, India, daylight begins to subtly wane, offering about 12 hours of light each day. This marks a shift from the blissful brightness of summer, where June and July bask in 14 hours of sunshine, making way for the more tempered light of autumn. Following the peak of summer in May, which enjoys 13 hours of daylight, the gradual decrease becomes evident in September, reflecting nature's rhythm as it prepares for the shorter days of October and November. While September signals a reduction in daylight, it still retains a generous amount of sunshine, allowing inhabitants and visitors to relish the stunning landscapes and vibrant colors of the transitioning season.
As September descends upon Gangotri, the gentle caress of the wind takes on a soft charm, averaging just 0.9 m/s (2 mph). This modest breeze reflects a notable trend in the region’s wind patterns, with September mirroring the lull of May and July, both of which also experience minimal wind activity. The coolness of the approaching autumn weeks fosters a tranquil atmosphere, inviting visitors to embrace the serene beauty of the Himalayan landscape. As the season transitions, the winds remain predominantly calm, creating an ideal backdrop for reflection and connection with nature, perfectly encapsulated by the stillness that characterizes early autumn in this sacred realm.
Weather in Gangotri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gangotri, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a minimum of -12°C (10°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). The month is relatively wet, experiencing 127 mm (5.0 in) of precipitation over 17 days and a high humidity level of 83%. In contrast, January is much colder, with temperatures plummeting to a minimum of -31°C (-24°F) and an average of -16°C (3°F), reaching a maximum of only -3°C (26°F). Meanwhile, precipitation is somewhat lower at 112 mm (4.4 in) over just 11 days, accompanied by a slightly lower humidity of 76%. For more detailed information, you can check Gangotri weather in January.
In September, the weather is relatively mild, with average temperatures ranging from a chilly min of -12°C (10°F) to a comfortable max of 14°C (57°F). The month experiences significant precipitation, totaling 127 mm (5.0 in) over 17 days, accompanied by high humidity at 83%. In contrast, February brings much colder conditions, with temperatures plummeting to a minimum of -31°C (-24°F) and an average of -15°C (6°F), peaking at just -1°C (30°F). This month sees less precipitation, totaling 97 mm (3.8 in) across 10 days, but the humidity is slightly lower at 78%. For more details on February weather, you can visit Gangotri weather in February.
In comparing the weather of September and March, there are notable differences in temperature and precipitation patterns. September experiences milder temperatures, with a minimum of -12°C (10°F) and an average of 4°C (39°F), peaking at 14°C (57°F). This month also sees higher precipitation levels, totaling 127 mm (5.0 in) over 17 days, alongside a relatively high humidity of 83%. In contrast, March is significantly colder, with temperatures dipping to a minimum of -27°C (-17°F) and averaging -12°C (10°F), while reaching a maximum of only 5°C (40°F). Although it receives slightly less precipitation at 102 mm (4.0 in) over 10 days, the humidity is lower at 76%. For those interested in the specifics of weather conditions in March, you can find more details here: Gangotri weather in March.
September's weather presents a more moderate climate compared to April, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 14°C (57°F) and an average of 4°C (39°F). This month also experiences significant precipitation, with 127 mm (5.0 in) falling over 17 days, contributing to a higher humidity level of 83%. In contrast, April’s conditions are more frigid, with temperatures dipping to a minimum of -23°C (-9°F) and an average of -8°C (19°F). While it sees less precipitation at 87 mm (3.4 in) over 9 days, the humidity is notably lower at 67%. For more details on how April weather affects conditions in this area, check out Gangotri weather in April.
In comparing the weather of September and May, it is evident that September tends to be milder. With average temperatures reaching 4°C (39°F) and maximums of 14°C (57°F), it is considerably warmer than May, where temperatures typically average -4°C (25°F) and peak at only 8°C (46°F). Additionally, September sees more precipitation, with 127 mm (5.0 in) over 17 days compared to May's 78 mm (3.1 in) over 13 days, leading to higher humidity in September at 83% versus 58% in May. For more detailed insights, check out Gangotri weather in May.
In comparing the weather of September and June, September exhibits slightly milder temperatures, with an average of 4°C (39°F) and a maximum of 14°C (57°F), while June presents cooler temperatures, averaging 0°C (33°F) with a peak of 13°C (55°F). Notably, September experiences higher humidity at 83% compared to June's 60%, contributing to a more damp atmosphere. Additionally, September receives more precipitation, totaling 127 mm (5.0 in) over 17 days, whereas June sees only 81 mm (3.2 in) across 14 days. For more detailed insights into June weather, refer to Gangotri weather in June.
When comparing the weather in September and July, September tends to be chillier with average temperatures ranging from -12°C (10°F) to a maximum of 14°C (57°F), while July experiences milder conditions, with temperatures from -5°C (24°F) to 16°C (61°F). Precipitation levels are also noteworthy, as July sees more rainfall at 199 mm (7.8 in) over 28 days, compared to September's 127 mm (5.0 in) across 17 days. Additionally, September has a higher humidity level at 83%, whereas July's humidity is slightly lower at 78%. For more detailed insights, you can check Gangotri weather in July.
In September, the weather experiences a noticeable drop in temperature compared to August, with minimums of -12°C (10°F) versus -5°C (23°F) and averages of 4°C (39°F) compared to 7°C (45°F). While the maximum temperature remains relatively similar, peaking at 14°C (57°F) in September and 15°C (59°F) in August, the overall feel is cooler. Additionally, September sees less precipitation than August, with 127 mm (5.0 in) over 17 days, while August experiences 172 mm (6.8 in) across 26 days, suggesting a wetter month. Humidity levels are slightly lower in September at 83% compared to 89% in August, contributing to a crisper atmosphere. For more detailed information about weather conditions, you can visit Gangotri weather in August.
In comparing the weather of September and October, it's clear that October brings significantly colder temperatures, with average values dropping from 4°C (39°F) in September to -4°C (26°F) in October. The minimum temperatures in October can plummet to -23°C (-8°F), whereas September sees a milder minimum of -12°C (10°F). Precipitation also decreases sharply, from 127 mm (5.0 in) spread over 17 days in September to just 42 mm (1.7 in) over only 4 days in October. Additionally, humidity levels ease from 83% in September to 76% in October, indicating drier conditions as winter approaches. For more detailed information on October weather, you can visit Gangotri weather in October.
In September, the weather tends to be milder, with average temperatures around 4°C (39°F) and maximums reaching up to 14°C (57°F), accompanied by notable precipitation of 127 mm (5.0 in) over 17 days, resulting in high humidity levels of 83%. In contrast, November brings much colder conditions, with average temperatures dropping to -11°C (12°F) and maximums only reaching around 3°C (38°F). This month also experiences significantly less precipitation at 62 mm (2.4 in) across just 6 days and lower humidity levels at 63%. For a more detailed look at November conditions, you can check Gangotri weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a minimum of -12°C (10°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). The month experiences significant precipitation of 127 mm (5.0 in) over 17 days, coupled with high humidity levels of 83%. In contrast, December brings much colder temperatures, with a minimum of -32°C (-25°F), an average of -16°C (3°F), and a maximum of just -2°C (28°F). Precipitation drops to 51 mm (2.0 in) over only 6 days, and humidity decreases to 62%. For more details on the December weather specifics, visit Gangotri weather in December.
In September, Gangotri experiences a notable transition as the summer warmth begins to wane, bringing cooler temperatures and increased moisture. With an average temperature that dips significantly, this month stands in stark contrast to the warmer summer months, making it feel chillier and invigorating. Moreover, the high humidity and frequent rainfall—totaling around 127 mm across 17 days—create a lush, vibrant atmosphere that's perfect for those who appreciate the beauty of nature in its rejuvenated state. This blend of conditions makes September a unique and refreshing time in Gangotri, perfect for adventure seekers and nature lovers alike. For more insights into what to expect, explore the detailed Gangotri Climate.