Last updated: August 21, 2025
In Lhasa, China, September brings a mix of inviting warmth and brisk coolness, characterized by a maximum temperature of 20°C (68°F) and an average of 10°C (51°F). As the month progresses, evenings can turn quite chilly, with temperatures dipping to a minimum of -8°C (19°F). The city experiences 133 mm (5.2 in) of precipitation spread across 22 days, contributing to an atmosphere of high humidity at 90%. This blend of weather elements creates a unique backdrop, perfect for exploring the rich cultural tapestry of this historical city while enjoying the stunning landscapes that September offers.
September in Lhasa, China, marks a transition toward cooler weather as the summer months fade. With minimum temperatures averaging around -8°C (19°F) and an average of 10°C (51°F), visitors can expect a refreshing climate, while the maximum highs reach up to 20°C (68°F), offering pleasant afternoons. This month stands out as temperatures begin to dip from the warmer summer, creating a more crisp atmosphere ideal for exploring the city's rich cultural heritage. The trend of rising averages in the earlier months gives way to the gradual cooling that heralds the approach of autumn, making September a delightful time to experience Lhasa's unique blend of tranquility and vibrancy.
In September, Lhasa experiences a notable shift in precipitation, registering about 133 mm (5.2 in) over 22 days. This marks a decline from the torrential rains of July and August, yet it still maintains a substantial amount of rainfall, indicative of the lingering monsoon effects. As autumn sets in, the total precipitation is significantly higher than in the winter months, with January's mere 12 mm emphasizing the stark contrast. While September provides a respite from the summer's peak, its higher rainfall compared to October’s 64 mm hints at the transitional nature of this month, making it a crucial time for both the region's ecology and its captivating landscapes. Overall, September reflects Lhasa's dynamic climate, embodying a blend of monsoonal contributions and the gradual passage into drier conditions.
September marks a peak in humidity levels in Lhasa, China, maintaining a remarkable 90%—a figure consistent with the preceding months of July and August. This trend reflects the region's shift towards its wet season, characterized by increased moisture in the air. Interestingly, humidity levels have been on a general upward trajectory since the drier months of April (48%) and May (63%), showcasing how seasonal transitions influence the climate. As summer fades into autumn, the high humidity in September not only contributes to the region's vibrant landscape but also sets the stage for the gradual decrease in moisture that will follow in October. Overall, September encapsulates a month of rich, enveloping air, making it a distinctive time in Lhasa's yearly climatic cycle.
In September, Lhasa experiences a UV Index of 15, categorized as extreme, with a burn time of just 10 minutes. This trend continues the pattern seen throughout the summer months, where Lhasa's UV levels remain perilously high, peaking in the spring and early summer. From January’s relatively lower index of 8, there's a notable escalation as the year progresses, with the UV Index reaching its highest in May and June. As autumn approaches, September still demands vigilant sun protection, echoing the importance of awareness around UV exposure year-round. For more detailed information, visit Lhasa UV Index.
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As September unfolds in Lhasa, China, the city basks in a delightful 335 hours of sunshine, continuing the trend of abundant sunlight that has characterized the summer months. Following a peak in June, where the sunlight reached its zenith at 364 hours, the hours of sunshine gradually taper off, yet remain notably high in September compared to the beginning of the year. This month’s generous sunshine represents a consistent pattern of daylight that builds throughout the year, peaking in the warmer months before gently transitioning into the cooler autumn. As the warm embrace of summer yields to crisp autumn days, Lhasa continues to shine brightly, inviting both adventure and reflection amidst its stunning landscapes.
In Lhasa, China, September marks a transition in weather patterns, with a 34% chance of sunny days. This is a notable increase compared to the dismal 6% in August, hinting at a gradual return to clearer skies as the month progresses. After a summer dominated by clouds and rain, the likelihood of sunshine begins to rise again, paving the way for more pleasant autumnal weather. As October approaches, the forecast brightens considerably with a 67% chance of sunny days, illustrating a clear trend: while September still holds onto some late-summer gloom, it serves as a stepping stone toward the sunnier days of fall.
As September unfolds in Lhasa, China, daylight begins to wane, offering approximately 12 hours of sun each day. This gradual decrease in daylight is part of a natural rhythm that starts as summer winds down; the region enjoys its longest days in June, basking in 14 hours of sunlight, before transitioning to the more tempered hours of autumn. After the vibrant weeks of July and August, when daylight remains steady at 13 hours, September signals the onset of shorter, crisper days that herald the approaching winter months. With daylight diminishing, the dynamic landscape of Lhasa shifts, inviting a sense of change and reflection in its unique blend of culture and nature.
As September arrives in Lhasa, China, the gentle whispers of the wind continue to keep the atmosphere serene with an average speed of 1.3 m/s (3 mph). This slight breeze follows a summer where winds were notably calm, averaging just 1.1 m/s in July and August. Interestingly, September marks a subtle uptick, hinting at the seasonal transition as the months prepare for winter. In the months leading to September, wind speeds hovered around the lower end of the spectrum but tend to increase gradually afterward, peaking at 1.8 m/s by December. This consistent yet gentle shift is a reminder of the rhythmic changes in nature, fostering an inviting ambiance perfect for introspective walks amidst the city's breathtaking landscapes.
Weather in Lhasa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lhasa, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a chilly -8°C (19°F) at their lowest to a pleasant maximum of 20°C (68°F), with an average of 10°C (51°F). The month sees considerable rainfall, totalling 133 mm (5.2 in) over approximately 22 days, and high humidity levels at 90%. In contrast, January experiences much harsher cold, with temperatures plummeting as low as -32°C (-26°F) and averaging -9°C (17°F), peaking at just 13°C (56°F). Precipitation drops significantly in January to only 12 mm (0.5 in) over 4 days, and humidity is markedly lower at 61%. For more information about January weather, you can check Lhasa weather in January.
In September, the weather is significantly milder, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F), and an average of 10°C (51°F). This month experiences considerable precipitation, with 133 mm (5.2 in) falling over 22 days, resulting in a high humidity of 90%. In contrast, February presents a much colder environment, where temperatures can plummet to -32°C (-25°F) at night, with an average of -7°C (20°F) and a peak of 12°C (53°F) during the day. The precipitation is notably lower at 16 mm (0.6 in) over just 5 days, accompanied by a humidity level of 64%. For more detailed information about February weather, you can visit Lhasa weather in February.
In comparing the weather of September and March, notable contrasts emerge. September experiences milder temperatures, with a minimum of -8°C (19°F) and an average of 10°C (51°F), rising to a maximum of 20°C (68°F). This month sees considerable precipitation at 133 mm (5.2 in) over 22 days, combined with high humidity levels of 90%. In contrast, March is much colder, with temperatures dropping to a minimum of -23°C (-9°F) and an average of -3°C (27°F), reaching a maximum of 18°C (64°F). Precipitation in March is significantly lower at 40 mm (1.6 in) over just 11 days, and the humidity is also lower at 55%. For a deeper look at Lhasa's specific climate during this time, you can check Lhasa weather in March.
In September, the weather is notably milder than in April, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F), averaging 10°C (51°F). The month is characterized by higher humidity at 90% and more precipitation, totaling 133 mm (5.2 in) over 22 rainy days. In contrast, April experiences colder temperatures, from a minimum of -20°C (-5°F) to a maximum of 17°C (62°F), averaging just 2°C (36°F). The humidity is significantly lower at 48%, and there is less rainfall, with 58 mm (2.3 in) spread over 16 days. For a detailed look at April's weather, you can check Lhasa weather in April.
In comparing September and May weather, September offers slightly warmer temperatures with an average of 10°C (51°F) and highs reaching up to 20°C (68°F), while May sees a lower average of 7°C (44°F) with similar maximum temperatures. However, May experiences colder minimum temperatures, plummeting to -11°C (12°F), contrasted with September's milder low of -8°C (19°F). Additionally, September is marked by higher precipitation at 133 mm (5.2 in) over 22 days, compared to May’s 97 mm (3.8 in) spread over 21 days, indicating a wetter climate in September. The humidity also differs significantly, with September at a high 90%, making it feel more muggy than the drier conditions in May, which has a humidity level of 63%. For a more in-depth look at May's weather, you can visit Lhasa weather in May.
In comparing the weather between September and June, September presents a cooler climate, with temperatures ranging from a minimum of -8°C (19°F) to an average of 10°C (51°F), and a maximum of 20°C (68°F). The month experiences significant precipitation, totaling 133 mm (5.2 in) over 22 days, coupled with high humidity levels at 90%. In contrast, June offers slightly milder conditions, where temperatures range from a minimum of -1°C (30°F) to an average of 12°C (53°F), peaking at 24°C (76°F). Precipitation is slightly lower at 127 mm (5.0 in) over 21 days, and humidity is also reduced to 79%. For more detailed information on weather patterns, visit Lhasa weather in June.
In comparing the weather between September and July, it's evident that September is generally cooler, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F) and an average of 10°C (51°F). In contrast, July boasts warmer temperatures, with a minimum of 4°C (40°F), an average of 12°C (54°F), and a peak of 23°C (73°F). However, July experiences more rainfall, totaling 222 mm (8.7 in) over 27 days, compared to September's 133 mm (5.2 in) across 22 days. Both months are quite humid, with September at 90% and July slightly higher at 91%. For more detailed insights on July weather in Lhasa, visit Lhasa weather in July.
When comparing the weather of September and August, we see notable differences in temperature and precipitation. September experiences cooler temperatures, with minimums dropping to -8°C (19°F) and an average of 10°C (51°F), whereas August remains milder with a minimum of 1°C (33°F) and an average of 12°C (54°F). Both months have the same maximum temperature of 20°C (68°F), but September is characterized by lower overall temperatures. In terms of precipitation, September sees 133 mm (5.2 in) over 22 days, which is less than August's 202 mm (7.9 in) spread across 26 days. Despite both months featuring high humidity levels at 90%, the rainfall in August is more significant. For further details, you can explore the Lhasa weather in August.
September weather typically sees milder temperatures, with average highs around 20°C (68°F) and lows around -8°C (19°F). This month is characterized by higher humidity at 90% and significant precipitation, accumulating to 133 mm (5.2 in) over 22 days. In contrast, October marks a shift towards cooler conditions, with average temperatures dropping to a maximum of 18°C (64°F) and a minimum of -16°C (4°F). Precipitation also decreases to 64 mm (2.5 in) across 18 days, and humidity level softens to 81%. For more details on the October weather in Lhasa, you can visit Lhasa weather in October.
In September, the weather is milder with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F), accompanied by significant precipitation totaling 133 mm (5.2 in) over 22 days and high humidity at 90%. In contrast, November experiences much colder conditions, with temperatures dropping to a minimum of -23°C (-10°F) and an average temperature of -1°C (30°F), along with a maximum of 14°C (57°F). Precipitation is notably lower in November, with only 22 mm (0.9 in) recorded over just 7 days and reduced humidity at 67%. This stark contrast between September and November highlights the transition from the mild, wet conditions of early autumn to the harsh, dry winter climate. For more details on November weather specifically, you can check Lhasa weather in November.
In September, the weather tends to be milder, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F) and an average of 10°C (51°F). It is also a wetter month, experiencing significant precipitation of 133 mm (5.2 in) over 22 days, along with high humidity levels reaching 90%. In stark contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -32°C (-26°F) and averaging -6°C (22°F), reaching a maximum of only 12°C (55°F). Precipitation is minimal in December, totaling just 19 mm (0.7 in) across 6 days, and the humidity drops to 61%. For more detailed information about the weather in December, you can visit Lhasa weather in December.
As September unfolds in Lhasa, the city experiences a notable shift in weather patterns, marked by a drop in temperatures that average around 10°C, significantly cooler than the summer months. The days are still pleasant, with highs reaching up to 20°C, while nights become crisp, often dipping to chilling lows of -8°C. This month also introduces increased humidity levels and a substantial amount of precipitation, with nearly every day experiencing some form of rain, unlike the drier summer. The lushness of the landscape following the rains offers a stunning contrast to the drier months and creates a unique atmosphere to explore the city's rich culture. For a deeper dive into Lhasa's weather throughout the year, check out Lhasa Climate.