Last updated: August 21, 2025
September in Guiyang, China is characterized by a mild and humid climate, making it a unique time for both residents and visitors. With a maximum temperature reaching 31°C (89°F) and an average of 21°C (70°F), warm days are balanced by cooler evenings that can drop to a pleasant 12°C (53°F). This month sees frequent rainfall, with a notable precipitation amount of 151 mm (6.0 in) spread across 16 rainy days, contributing to a humidity level of 83%. As the lush greenery thrives, September paints Guiyang in vibrant colors, creating an inviting atmosphere for outdoor exploration despite occasional showers.
In September, Guiyang, China, experiences a pleasant transition from the summer heat to the cooler autumn months. With minimum temperatures around 12°C (53°F) and an inviting average of 21°C (70°F), this month offers a delightful reprieve for residents and visitors alike. As the maximum temperatures still reach about 31°C (89°F), it's an ideal time to enjoy the lingering warmth while appreciating the gradual drop from the scorching summer highs. Notably, September stands out with its moderate temperatures, offering a perfect blend of comfort and warmth, making it an excellent time for outdoor activities and exploration in this beautiful region.
In September, Guiyang experiences a noteworthy rise in precipitation, with a total of 151 mm (6.0 in) of rain falling over 16 days. This increase marks a shift from the relatively dryer months of August and July, which recorded 139 mm and 164 mm respectively. The rainy season peaks in July and June, but as September arrives, the downpours remain substantial, hinting at the lingering effects of the monsoon. This month’s rainfall not only maintains a robust average but also sets the stage for the gradual decline in precipitation as the city transitions into autumn. In considering both the amount and frequency, September solidifies its reputation as a pivotal month in Guiyang's climate cycle, balancing the wet and dry patterns of the region.
In September, the humidity in Guiyang, China, hovers at a notably high 83%, reflecting the lingering warmth and moisture of the summer months. This slight decrease from the peak humidity levels experienced in June, July, and August—all at 88%—indicates a subtle transition as the region shifts towards the cooler autumn season. The overall trend shows Guiyang experiencing its highest humidity from June to August, creating a humid atmosphere that gradually tapers off as the year progresses, with humidity levels typically dipping in the later months, like October at 78%. As a result, September represents a pivotal moment where the summer's wet embrace begins to ease, setting the stage for the changing climate ahead.
In September, Guiyang, China, experiences a UV Index of 11, indicating an extreme exposure category with a burn time of just 10 minutes. This slight decrease from the peak UV Index of 14 seen in July and August marks the gradual transition into the autumn season, yet the risk remains significant. As summer fades, residents and visitors are encouraged to remain vigilant against sun exposure, especially during midday hours when UV radiation is strongest. For comprehensive details and updates, check out the Guiyang UV Index.
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September brings a delightful transition in Guiyang, China, where the sunshine graces the city with 245 hours of brilliant light. This month, while slightly lower than the peak of 309 hours in August, still showcases a substantial amount of sunny days, marking it as one of the brighter periods of the year. Following a summer of abundant sun, the daylight hours begin to taper off as autumn approaches, yet September remains lively and vibrant. This trend emphasizes Guiyang's unique climate, with a noticeable increase in sun hours from the winter months—starting from a mere 110 hours in January—climbing to a summer zenith. The gradual descent in sunlight post-September, culminating in 176 hours by October, invites residents and visitors alike to savor the last warm days before the cooler months settle in.
As September rolls around in Guiyang, China, the likelihood of sunny weather notably rises, reaching 41%—the highest chance throughout the year. This shift indicates a turning point in the seasonal weather, with the summer's humidity beginning to wane and clearer skies becoming more common. In contrast, the months leading up to September, from January to August, see percentages ranging from 13% to 28%, suggesting that the earlier part of the year is typically dreary and overcast. This increase in sunshine not only enhances the charm of September but also invites outdoor activities, making it a delightful time to explore the natural beauty of the region.
In Guiyang, China, the month of September ushers in a gentle decline in daylight duration, offering around 12 hours of sunlight each day. This marks the transition from the lush, extended summer days of August, which bask in a full 13 hours of daylight. As the year progresses from the longer days of spring and summer, the pattern reveals a symmetrical rhythm where daylight gradually contracts, dropping to 11 hours in October and reaching its nadir at 10 hours by both January and November. This seasonal fluctuation emphasizes Guiyang's climatic diversity, inviting residents and visitors alike to relish the beautiful autumn hues as daylight subtly shortens, creating a picturesque backdrop for outdoor activities.
As September arrives in Guiyang, China, the average wind speed settles at a gentle 3.0 m/s (7 mph), embodying a tranquil transition from the vibrant summer months. This slight decrease from the summer peaks reflects a gradual shift in the season, with wind speeds generally oscillating between 2.6 m/s and 3.4 m/s throughout the year. Notably, the wind picks up in both March and October, where it reaches its highest at 3.4 m/s (8 mph), suggesting those months are ideal for embracing the breezy delights. Overall, September's moderate winds offer a refreshing backdrop to the lush landscapes of Guiyang, making it an enchanting month for outdoor enthusiasts and nature lovers alike.
Weather in Guiyang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guiyang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present two starkly contrasting weather landscapes. In September, temperatures range from a mild 12°C (53°F) at night to a warm 31°C (89°F) during the day, accompanied by high humidity levels at 83% and considerable rainfall of 151 mm (6.0 in) across 16 days. In contrast, January ushers in much colder conditions, with daytime highs peaking at 20°C (68°F) and nighttime lows plunging to -9°C (15°F). The month sees significantly less precipitation, only 70 mm (2.8 in), over approximately 14 days, and the humidity drops to 67%. For a deeper look at the winter climate, you can check Guiyang weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). The month is characterized by high humidity at 83% and significant precipitation, averaging 151 mm (6.0 in) over 16 rainy days. In stark contrast, February typically sees colder temperatures, with a range from -3°C (28°F) to a maximum of 23°C (74°F) and an average of 7°C (45°F). Precipitation is also lower, with around 77 mm (3.0 in) expected over 15 days, accompanied by a humidity level of 74%. For more detailed insights, you can check the Guiyang weather in February.
September and March present distinct weather patterns, emphasizing the transition from late summer to early spring. In September, temperatures range more widely, with a minimum of 12°C (53°F) and a maximum of 31°C (89°F), creating a warm and humid atmosphere, with an average temperature of 21°C (70°F) and a precipitation amount of 151 mm (6.0 in) over 16 days. In contrast, March exhibits much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), averaging at 13°C (55°F). The month also sees lower precipitation levels at 104 mm (4.1 in), though it experiences more rainy days, totaling 22. While September enjoys higher humidity at 83%, March’s humidity is more moderate at 71%, indicating a shift towards drier air as the season changes. For a detailed look at March weather specifics, you can refer to Guiyang weather in March.
September weather features warmer temperatures, with a minimum of 12°C (53°F) and an average of 21°C (70°F), reaching a maximum of 31°C (89°F). In contrast, April experiences cooler conditions, with a minimum of 5°C (41°F) and an average of 16°C (61°F), while also peaking at a maximum of 30°C (86°F). Precipitation is slightly higher in September at 151 mm (6.0 in) over 16 days, compared to April’s 126 mm (5.0 in) over 20 days. Additionally, September tends to be more humid at 83%, while April maintains a more comfortable humidity level of 73%. For more detailed information, you can check Guiyang weather in April.
When comparing the weather in September and May, both months exhibit relatively high humidity, averaging around 83%. September generally enjoys warmer temperatures, with lows around 12°C (53°F) and highs reaching up to 31°C (89°F), compared to May's lower range of 9°C (48°F) for minimum temperatures and a maximum of 34°C (93°F). However, May experiences slightly more precipitation, totaling 172 mm (6.8 in) over approximately 20 days, while September has 151 mm (6.0 in) across 16 days. For a detailed look at the weather specifics in May, you can check Guiyang weather in May.
September and June present a similar temperature range, with average highs peaking at 31°C (89°F) in both months. However, September tends to be slightly warmer at night, with a minimum temperature of 12°C (53°F) compared to June's 13°C (56°F). In terms of precipitation, June is notably wetter, receiving 264 mm (10.4 in) over 22 days, while September has 151 mm (6.0 in) across 16 days. Both months exhibit high humidity levels, but June is slightly more humid at 88%, versus September's 83%. For more detailed information on June weather, you can refer to Guiyang weather in June.
When comparing the weather in September and July, September tends to experience cooler temperatures, with a minimum of 12°C (53°F) and an average of 21°C (70°F), compared to July's minimum of 17°C (63°F) and average of 24°C (75°F). While July has slightly higher maximum temperatures, reaching up to 32°C (90°F), September's peak temperature is about the same at 31°C (89°F). Precipitation levels are notably high in both months, but July records more rain with 164 mm (6.4 in) over 19 days, whereas September sees 151 mm (6.0 in) over 16 days. Humidity is also higher in July at 88%, compared to September's 83%. For more details on July weather, you can check Guiyang weather in July.
In comparing the weather of September and August, it's evident that September experiences slightly cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 31°C (89°F), compared to August's milder range of 17°C (64°F) to 34°C (93°F). While both months have significant rainfall, September sees slightly more precipitation at 151 mm (6.0 in) over 16 days, whereas August has 139 mm (5.5 in) spread across 20 days. Additionally, September's humidity sits at 83%, which is marginally lower than August's 88%. For a detailed look at August's weather patterns, you can visit Guiyang weather in August.
September typically brings warmer conditions compared to October, with average temperatures reaching up to 21°C (70°F) and maximums hitting 31°C (89°F). In contrast, October sees a significant drop in average temperatures to 16°C (60°F), with minimums dipping to a chilly 6°C (43°F). While both months experience a fair amount of rainfall, September's 151 mm (6.0 in) over 16 days surpasses October's more moderate 102 mm (4.0 in) over 15 days. Additionally, humidity levels are slightly higher in September at 83% compared to October’s 78%. For more detailed weather patterns, you can check Guiyang weather in October.
September weather features a warm climate with average temperatures ranging from a pleasant 21°C (70°F) to a maximum of 31°C (89°F), making it a month filled with summer warmth and humidity at 83%. However, it also experiences considerable rainfall, with 151 mm (6.0 in) over 16 days. In contrast, November brings a significant drop in temperature, with an average of 11°C (52°F) and a minimum of just 3°C (37°F). Precipitation decreases to 68 mm (2.7 in) over 13 days, but humidity remains relatively high at 85%. For more detailed insights into the November weather in Guiyang, visit Guiyang weather in November.
In September, the weather is significantly warmer with average temperatures reaching 21°C (70°F) and highs of up to 31°C (89°F), making it feel lively and summery. The month also sees substantial rainfall, with 151 mm (6.0 in) spread over 16 days and a humidity level of 83%, creating a humid atmosphere. In contrast, December experiences a much colder climate, with average temperatures dropping to 6°C (43°F) and minimums plummeting to -8°C (18°F). Precipitation is considerably lower at 54 mm (2.1 in) over just 12 days, and humidity decreases slightly to 77%, contributing to a crisp winter feel. For more detailed information, you can check Guiyang weather in December.
As September rolls into Guiyang, the weather undergoes a notable transformation compared to the preceding summer months. Temperatures begin to cool, offering a pleasant average of 21°C (70°F) during the day, while the evenings can be refreshingly crisp. Despite the drop in temperature, the month sees a fair share of rainfall, with around 16 days recording precipitation. This combination of high humidity and frequent showers creates a lush, vibrant landscape, perfect for outdoor activities. For a deeper dive into Guiyang's climate nuances, check out Guiyang Climate.