Last updated: August 21, 2025
Experience the captivating charm of Dali Old Town in September, where the weather offers a delightful mix of mild temperatures and rich ambiance. With a maximum temperature of 27°C (81°F) and an average of 20°C (68°F), the days are pleasantly warm, inviting exploration. Expect cooler evenings, with temperatures dipping to a minimum of 12°C (54°F). However, prepare for significant precipitation, as September brings about 165 mm (6.5 in) of rain over 26 days, contributing to the lush scenery of this enchanting region. Regardless of the humidity levels, averaging 87%, the allure of Dali's stunning landscapes and vibrant culture remains ever-present, making it a must-visit destination for travelers.
In September, Dali Old Town experiences a delightful transition as summer wanes, with temperatures averaging a comfortable 20°C (68°F). The month welcomes cooler nights with minimums around 12°C (54°F), while daytime highs reach a pleasant 27°C (81°F), making it an ideal time for outdoor exploration. This gradual drop from the height of summer's warmth creates a perfect backdrop for strolling through ancient streets and enjoying the local scenery. As the month progresses, visitors can relish in the crisp air and colorful autumn hues, marking it as a particularly enchanting time to visit this picturesque location in China.
In September, Dali Old Town experiences a notable shift in precipitation patterns, with 165 mm (6.5 in) of rain spread over 26 days. This month represents a significant decrease from the torrential downpours that characterize the preceding July and August, when the region receives an impressive 257 mm each month. September's rainfall is indicative of the transitional phase into autumn, combining showers that are gentle yet persistent. As the humidity begins to ease, the landscape is revitalized, making this a charming time to explore Dali’s beautiful surroundings. The trend reflects a gradual decline in precipitation through the fall, hinting at the drier months ahead.
In September, Dali Old Town experiences a notable humidity level of 87%, reflecting a continuation of the summer's sultry conditions. As the season transitions from the peak of summer, where humidity soars to 90% in August and 89% in July, September retains a sense of lingering warmth before the cooler months set in. Although humidity begins to taper off in the following months, reaching 81% by October, the trend in September signifies a time of lushness and vitality as the landscape remains vibrant from the summer rains. Overall, Dali's climate in September is indicative of a rich and humid environment, perfect for experiencing the town's natural beauty.
As September rolls into Dali Old Town, the UV Index maintains its extreme classification at 14, a slight decrease from the peak summer months but still demanding caution. With a burn time of just 10 minutes, visitors should ensure they are adequately protected from the sun's intense rays. This trend of high UV levels persists from May through October, where the index hovers between 12 and 15, signifying a need for vigilance in sun safety. As the seasons transition, the UV Index will gradually decrease, shifting to a more moderate level by November. For those planning a visit, staying informed is crucial; explore more on the Dali Old Town UV Index for detailed insights and safety tips.
UV Risk Categories
Dali Old Town basks in a captivating blend of sunshine throughout the year, with September offering a delightful 284 hours of bright, sunny days. This month sees a gentle decline from the peak brightness of March and May, each enjoying 338 hours of sunlight, highlighting a summer of abundance. As the fall approaches, sunlight hours wane slightly, echoing a similar trend seen in October with 282 hours. Overall, the sunshine in Dali reflects a joyful transition, with April and June also contributing to the region's sun-soaked charm, reminding visitors to soak in the radiant days before the cooler months set in. Whether it’s the vibrant life of cafes or the stunning views of the mountains, the September sunshine in Dali adds a unique warmth and vibrancy to the town's enchanting atmosphere.
In Dali Old Town, the prospects for sunny weather take a notable dip in September, with only an 18% chance of clear skies. This marks a significant contrast to the sun-drenched months of early in the year, such as February (77%) and March (72%), where sunny days are more plentiful. As summer fades, the city moves from the drizzly highs of June and July—both with less than 15% sunshine—to a gradual improvement in October, when the chance of sun rises to 38%. This trend highlights September as a transitional month, where the allure of autumn's crispness begins to overshadow the fleeting warmth of summer, making it a less predictable time for sun-seekers.
As September unfolds in Dali Old Town, China, the daylight duration settles at 12 hours, mirroring the sunlight available in both March and April. This marks a gentle transition into autumn, where the long, sun-kissed days of summer gradually wane. Following a peak of 13 hours in May through August, the consistent drop to 12 hours in September signals the onset of cooler temperatures and a shift in the environment. Interestingly, just one month prior, August still enjoyed the brightness of summer, but as nature prepares for the coming chill, Dali's daylight serves as a reminder of the cyclical beauty of the seasons. As the days grow shorter, residents and visitors alike can savor the softening light that gracefully bathes the ancient town, enriching its cultural tapestry as autumn approaches.
As September rolls into Dali Old Town, the gentle lull of the autumn breeze begins to settle in. With an average wind speed of just 1.1 m/s (3 mph), the air feels calm and serene, a stark contrast to the busier months of spring when the winds picked up to 2.5 m/s (6 mph). This notable decline in wind speed mirrors the gradual shift in the seasons, as summer's sweltering heat gives way to the cooler temperatures of fall. The soft whispers of September winds invite leisurely strolls through ancient streets, where the vibrant energy of tourists mingles comfortably with the tranquil ambiance of the town. As autumn approaches, the weather becomes a perfect backdrop for exploring Dali's rich culture and stunning landscapes, making it an exceptional time to visit.
Weather in Dali Old Town varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dali Old Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January offer strikingly different weather experiences. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (81°F), with an average of 20°C (68°F). This month also sees considerable precipitation, totaling 165 mm (6.5 in) over 26 days, resulting in high humidity levels of 87%. In contrast, January presents a much cooler climate, with temperatures dipping to a minimum of 0°C (32°F) and peaking at 20°C (69°F), averaging around 9°C (48°F). Precipitation is significantly lower at 22 mm (0.9 in) across just 4 days, accompanied by a humidity level of 58%. For a more detailed look at January weather, visit Dali Old Town weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (81°F), with an average of 20°C (68°F). This month also experiences significant rainfall, totaling 165 mm (6.5 in) across 26 days, and high humidity at 87%. In contrast, February offers much cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (74°F), averaging around 10°C (51°F). Precipitation is minimal during this month, with only 20 mm (0.8 in) over just 3 days, and humidity drops to a comfortable 65%. For a more detailed look at February weather in Dali, you can visit Dali Old Town weather in February.
September and March present distinctly different weather patterns. In September, the average temperature reaches 20°C (68°F), with highs peaking at 27°C (81°F) and lows around 12°C (54°F). This month is characterized by high humidity at 87% and significant rainfall, totaling 165 mm (6.5 in) over 26 days, making it quite a wet time of year. In contrast, March features cooler temperatures, with an average of 14°C (57°F) and minimums dropping to 4°C (39°F). Although it shares the same maximum temperature of 27°C (81°F) as September, March enjoys much lower rainfall, with only 21 mm (0.8 in) over just 6 days, and a significantly reduced humidity level of 44%. For a more detailed look at the climate during this time, visit Dali Old Town weather in March.
Comparing the weather in September and April reveals distinct seasonal differences. In September, average temperatures range from a mild 12°C (54°F) at night to a warm 27°C (81°F) during the day, with a notable average of 20°C (68°F). However, this month also sees significant rainfall, with 165 mm (6.5 in) of precipitation over 26 days, contributing to a high humidity level of 87%. In contrast, April experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (62°F), peaking at a maximum of 29°C (84°F). This month is much drier, only receiving 51 mm (2.0 in) of rain over 6 days, resulting in a lower humidity of 44%. For more details on the weather in April, check out Dali Old Town weather in April.
September and May present contrasting weather conditions. In September, the average temperature hovers around a comfortable 20°C (68°F), with highs reaching up to 27°C (81°F) and lows around 12°C (54°F). However, this month also sees considerable rainfall, with 165 mm (6.5 in) of precipitation spread over 26 days, resulting in high humidity levels of 87%. In contrast, May offers slightly cooler temperatures, with an average of 19°C (67°F) and maximum temperatures climbing to a warmer 31°C (88°F) and a minimum of 7°C (45°F). May experiences significantly less rainfall, totaling just 61 mm (2.4 in) over 7 days, and lower humidity at 62%. For a detailed view of May weather in Dali, you can visit Dali Old Town weather in May.
When comparing the weather in September and June, we notice some key differences. September tends to have slightly cooler temperatures, with a minimum of 12°C (54°F) and an average of 20°C (68°F), compared to June's minimum of 13°C (56°F) and average of 22°C (71°F). Additionally, September experiences higher maximum temperatures reaching up to 27°C (81°F), while June can peak at 31°C (88°F).
Precipitation levels vary as well; September sees more rainfall, totaling 165 mm (6.5 in) over 26 days, versus June's 126 mm (5.0 in) spread across 18 days. Humidity is slightly higher in September at 87%, compared to June's 82%. For a detailed look at the weather specifics in June, you can check Dali Old Town weather in June.
When comparing the weather in July and September, July tends to be warmer, with average temperatures around 21°C (69°F) and a maximum of 30°C (86°F) compared to September's average of 20°C (68°F) and maximum of 27°C (81°F). Both months experience significant precipitation, but July sees a higher total of 257 mm (10.1 in) over 27 days, while September has 165 mm (6.5 in) spread across 26 days. Humidity levels remain similar, with July at 89% and September at 87%. For more detailed information about July weather in Dali Old Town, visit Dali Old Town weather in July.
In comparing the weather between September and August, September tends to be slightly cooler with an average temperature of 20°C (68°F) compared to August's 21°C (69°F). The maximum temperature in September reaches 27°C (81°F), which is lower than August's peak of 30°C (87°F). However, September experiences a significant increase in precipitation, receiving 165 mm (6.5 in) over 26 days, while August sees 257 mm (10.1 in) during the same number of days. Additionally, humidity levels remain high in both months, with September at 87% and August at 90%. For more details, you can check Dali Old Town weather in August.
September weather tends to be warmer and more humid than October, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 27°C (81°F) and an average of 20°C (68°F). This month also sees higher precipitation levels, totaling 165 mm (6.5 in) over 26 days. In contrast, October experiences slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 17°C (63°F), and a maximum of 26°C (79°F). Additionally, October brings reduced rainfall, with 98 mm (3.9 in) over just 18 days and lower humidity at 81%. For more detailed information about the weather in October, you can visit Dali Old Town weather in October.
September and November present notably different weather patterns. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (81°F), with an average of 20°C (68°F). This month sees significant precipitation, with 165 mm (6.5 in) over 26 days, contributing to a high humidity level of 87%. In contrast, November is much cooler, with temperatures ranging from a low of 4°C (40°F) to a high of 22°C (73°F), averaging 13°C (56°F). The month is characterized by much less rainfall, only 18 mm (0.7 in) over 3 days, and a slightly lower humidity of 82%. For more details on the weather in November, you can check this link: Dali Old Town weather in November.
September and December present a stark contrast in weather conditions. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (81°F), with an average of 20°C (68°F). The month is characterized by high humidity at 87%, and significant precipitation of 165 mm over 26 days, making it a relatively wet month. In contrast, December sees much cooler temperatures, with a minimum of 1°C (34°F), an average of 9°C (49°F), and a maximum of 20°C (69°F). Precipitation drops dramatically to just 11 mm over only 2 days, resulting in lower humidity levels at 73%. For more detailed insights, you can refer to Dali Old Town weather in December.
As September unfolds in Dali Old Town, the weather presents a striking contrast to the earlier summer months. With temperatures averaging a comfortable 20°C (68°F) and maximum highs reaching up to 27°C (81°F), it's a delightful time for outdoor exploration. However, be prepared for frequent rain, as this month records significant precipitation, contributing to a lush, vibrant landscape. The humidity tends to remain high at 87%, making the air feel quite muggy. Overall, September serves as a transitional month, blending the warmth of summer with the fresh, invigorating atmosphere of autumn. For a deeper dive into the weather patterns, check out the detailed information on Dali Old Town Climate.