September Weather in Dongba, China

Last updated: August 21, 2025

In Dongba, China, the weather in September showcases a dramatic transition, with temperatures peaking at a warm 37°C (98°F) and averaging around 25°C (77°F). As the month progresses, nighttime temperatures can dip to a refreshing 16°C (60°F), offering a pleasant reprieve. The region experiences an average precipitation of 96 mm (3.8 in) across approximately 10 days, contributing to the lush landscapes. With humidity levels hovering around 75%, visitors should prepare for a warm and occasionally damp atmosphere, making September a unique time to explore Dongba's rich cultural heritage and natural beauty.

September Temperature in Dongba

As September rolls into Dongba, the temperatures begin to shift, offering a pleasant reprieve from the summer heat. With minimum temperatures settling around 16°C (60°F) and an average of 25°C (77°F), this month marks a transition towards the cooler months. The maximum temperatures still reach up to 37°C (98°F), but the overall warmth of late summer lingers just enough to provide a comfortable ambiance for outdoor activities. Compared to August's sultry conditions, where nights are warmer at 20°C (68°F), September's cooler nights become a hint of the approaching autumn. This blend of warmth and crispness invites visitors to explore the stunning natural landscapes of Dongba, making it an ideal time for trekking and experiencing the vibrant cultural heritage of the region.

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

The chart illustrates September temperature patterns in Dongba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dongba, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414454637278848477665644
Data source: Temperature data for Dongba 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 Dongba

In September, Dongba experiences a notable transition in rainfall, with precipitation totaling 96 mm (3.8 in) over 10 rainy days. This amount reflects a dip from the heavier showers of July and August, where rainfall peaked at 274 mm and 155 mm, respectively. The arrival of fall is evident as the rainfall decreases, hinting at the drier months ahead. Interestingly, September's precipitation signals a gentle moderation compared to the mid-summer deluge, providing a balanced climate that nurtures the region's lush landscapes while preparing them for the cooler, drier autumn months that follow.

September Precipitation Trends in Dongba

The chart displays monthly precipitation patterns in Dongba, 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 Dongba, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64671017712822927415596534146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Dongba

As summer fades and September approaches in Dongba, the humidity begins to drop, settling at 75%, a significant decrease from the peak 90% experienced in July. This transition marks a noticeable shift in the climate, as the months of June and August also showcase high humidity levels at 85% and 88% respectively. With autumn on the horizon, the decrease in humidity signifies a more comfortable atmosphere, making September an inviting time to enjoy the outdoors before the wetter months of the year return. Overall, the humidity trend reveals a gradual tapering from the intense moisture of summer, paving the way for the cooler, more temperate conditions of fall.

September Average Humidity in Dongba

This chart illustrates the average monthly humidity levels in Dongba, 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 Dongba is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dongba

In September, Dongba, China, experiences a very high UV Index of 10, making it crucial for residents and visitors to be mindful of sun exposure. This month marks a slight decline from the extreme levels noted during the peak summer months of June through August, where the UV Index consistently hit 11. With a burn time of just 15 minutes, it's a reminder that even in early autumn, sun protection remains essential. The trend over the months shows a general increase in UV intensity from January's moderate levels, peaking during late spring and summer, before gradually tapering off again as the year progresses. To prepare for your time in Dongba, check out the detailed forecast at Dongba UV Index.

Maximum UV Index Levels in Dongba for September

The chart shows the monthly maximum UV Index (UVI) for Dongba 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 Dongba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101111111110864
Data source: Dongba 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 Dongba

In Dongba, China, September showcases a delightful balance of sunshine, boasting 254 hours of bright days. Following a peak in solar warmth during the summer months, where July and August enjoy the highest sunshine with 285 and 295 hours respectively, September gently transitions into autumn with a slight decrease. The month still provides ample sunlight, well above the winter months, creating an inviting atmosphere for outdoor activities. As the days grow shorter, the steady levels of sunshine in September reflect a harmonious end to the summer, paving the way for the cooler, yet still pleasant, months ahead.

Monthly Sunshine Duration in Dongba: September Highlighted

The September sunshine duration represents the total number of hours Dongba 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h202h225h247h282h263h285h295h254h231h222h213h
Data source: Dongba September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dongba During September

September in Dongba, China, marks a notable shift in weather patterns, with a 52% chance of sunny skies. This increase in likelihood follows a summer characterized by lower sun exposure, dipping as low as 21% in July. As the seasons transition, the sunshine potential rises, not only indicating a more pleasant climate but also hinting at the approaching autumn months. Interestingly, October remains relatively sunny at 45%, showcasing a trend of favorable weather that continues into late fall. Overall, September stands out as a peak moment for those seeking bright days in Dongba, making it an ideal time for outdoor activities and exploration.

Percentage of Sunny Days in September in Dongba

The chart illustrates the percentage of sunny days in Dongba 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 Dongba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%40%25%27%26%26%21%36%52%45%56%70%
Data source: Dongba September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dongba in September

In September, Dongba, China enjoys about 12 hours of daylight, marking a gentle transition from the sun-drenched days of summer to the cooler embrace of autumn. This month reflects a gradual decline in sunlight that began after June's peak at 14 hours. Notably, September’s daylight duration indicates a balance; it's still ample enough for outdoor activities, yet it hints at the shorter days ahead in October and November, which drop to 11 hours and 10 hours, respectively. As summer fades, the daylight subtly shifts, reminding residents of the changing seasons and inviting a contemplative pause before the chill of winter.

Average Daylight Hours in Dongba for September

The chart illustrates the variation in daylight duration in Dongba throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 21m11h 3m11h 59m12h 56m13h 44m14h 8m13h 56m13h 14m12h 19m11h 22m10h 33m10h 8m
Data source: Dongba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dongba

As September arrives in Dongba, the wind whispers a gentle reminder of the changing seasons with an average speed of 2.8 m/s (6 mph). This marks a slight resurgence from the quieter breezes of August, which saw the lowest wind velocity of the year at 2.4 m/s (5 mph). Reflecting a trend of increased activity, September's winds mirror the 3.2 m/s experienced in both February and July, suggesting a refreshing shift towards more dynamic climatic conditions. Overall, as summer transitions into autumn, Dongba’s September winds create a comforting embrace, heralding the arrival of cooler days ahead.

Average September Wind Speed in Dongba

The chart displays monthly wind speed patterns in Dongba, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.23.02.92.72.53.22.42.8 m/s2.72.92.6
Data source: Dongba September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dongba Compares to Other Months

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

September and January present strikingly contrasting weather patterns. In September, temperatures range from a mild minimum of 16°C (60°F) to a scorching maximum of 37°C (98°F), with an average temperature of 25°C (77°F). The month sees significant rainfall, with 96 mm (3.8 in) of precipitation over about 10 days, coupled with a high humidity level of 75%. In contrast, January experiences a chilly climate, with temperatures dipping to a minimum of -8°C (18°F) and a maximum of 19°C (66°F), averaging only 5°C (41°F). Precipitation decreases to 64 mm (2.5 in) over approximately 8 days, and humidity is slightly lower at 70%. For more detailed insights on winter weather in this region, check out Dongba weather in January.

In comparing the weather of September and February, notable differences emerge. September boasts a warm average temperature of 25°C (77°F), with a maximum reaching up to 37°C (98°F), while February presents a significantly cooler average of 7°C (44°F), peaking at 26°C (80°F). Precipitation is relatively higher in September at 96 mm (3.8 in) with rain occurring on 10 days, whereas February has a bit less rain at 67 mm (2.6 in) over the same number of days. Additionally, humidity is slightly higher in September at 75%, compared to February’s 73%. For detailed seasonal insights, you can check Dongba weather in February.

September and March present quite different weather patterns. September boasts warmer temperatures, ranging from a minimum of 16°C (60°F) to a maximum of 37°C (98°F), with an average of 25°C (77°F). This month also experiences significant humidity at 75% and approximately 96 mm (3.8 in) of precipitation over about 10 days. In contrast, March is much cooler, with temperatures dropping to a minimum of 1°C (34°F) and peaking at 30°C (86°F), averaging around 12°C (55°F). March sees slightly more precipitation at 101 mm (4.0 in) spread over 12 days, along with higher humidity levels at 82%. For more detailed insights into March weather, you can check Dongba weather in March.

September and April present contrasting weather patterns. September typically enjoys warmer temperatures, with a minimum of 16°C (60°F) and an average high of 37°C (98°F), while April experiences cooler conditions, featuring a minimum of just 6°C (43°F) and an average high of 33°C (91°F). Despite September's higher average temperature of 25°C (77°F), it has slightly more precipitation at 96 mm (3.8 in) compared to April's 77 mm (3.0 in), although both months see rain on about 10 days. Additionally, April's humidity is higher at 86% compared to September's 75%. To learn more about the specific weather conditions in April, you can visit Dongba weather in April.

In comparing the weather of September and May, September features a higher average temperature of 25°C (77°F) with a maximum reaching up to 37°C (98°F), while May has a cooler average of 22°C (73°F) and a similar maximum of 36°C (98°F). Precipitation levels are notably different, with May receiving more rainfall at 128 mm (5.0 in) compared to September's 96 mm (3.8 in), resulting in generally wetter conditions during May, even though both months experience precipitation on about 10 days. Additionally, humidity levels are slightly higher in May at 85%, compared to 75% in September, making May feel more muggy. For a more in-depth look at May weather, you can visit Dongba weather in May.

September and June exhibit similar maximum temperatures, both reaching up to 37°C (98°F), but they differ significantly in overall conditions. June tends to be slightly warmer on average, with an average temperature of 26°C (78°F), compared to September's 25°C (77°F). However, June is much wetter, receiving 229 mm (9.0 in) of precipitation over 14 days, while September has only 96 mm (3.8 in) over 10 days. This results in higher humidity in June at 85%, compared to September's 75%. For more detailed insights on June weather, you can visit Dongba weather in June.

In comparing the weather of September and July, several notable differences emerge. September experiences a milder temperature range, with a minimum of 16°C (60°F) and an average of 25°C (77°F), while July is warmer, with a minimum of 20°C (69°F) and an average of 29°C (84°F). July also boasts higher maximum temperatures, reaching up to 39°C (102°F), compared to September's peak of 37°C (98°F). Additionally, July is significantly wetter, receiving 274 mm (10.8 in) of precipitation over 16 days, whereas September sees only 96 mm (3.8 in) of rain across 10 days. The humidity is also higher in July at 90%, compared to September's 75%. For more detailed information, you can check out Dongba weather in July.

In September, the weather begins to transition, with average temperatures dropping to 25°C (77°F) compared to the warmer August average of 29°C (85°F). The minimum temperature in September is notably lower at 16°C (60°F), providing a reprieve from the heat. August, on the other hand, experiences higher humidity at 88% and receives more precipitation, totaling 155 mm (6.1 in) over 12 days compared to September's 96 mm (3.8 in) across 10 days. This shift marks September as a month of gradual cooling and less rainfall. For more details on August weather, check out Dongba weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a mild 16°C (60°F) at night to a warm average of 25°C (77°F) during the day, with maximum highs peaking at 37°C (98°F). The month also sees significant rainfall, with 96 mm (3.8 in) of precipitation recorded over 10 days and humidity levels around 75%. In contrast, October brings cooler temperatures, with nighttime lows dropping to 8°C (46°F) and an average of 19°C (66°F). While the maximum temperature can still reach 37°C (98°F), the overall climate becomes more temperate. Rainfall decreases significantly to 53 mm (2.1 in) over just 6 days, and humidity remains similar at 76%. For more details about the weather in Dongba during October, check Dongba weather in October.

In September, the weather tends to be warm with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 37°C (98°F) and an average of 25°C (77°F). This month also experiences higher precipitation levels, averaging 96 mm (3.8 in) over approximately 10 days, along with a humidity level of 75%. In contrast, November sees a dramatic drop in temperatures, with a minimum of 1°C (33°F), an average of 13°C (56°F), and a maximum of 29°C (85°F). Precipitation decreases significantly to 41 mm (1.6 in) over about 7 days, while humidity rises slightly to 84%. For more details on November weather, you can visit Dongba weather in November.

September and December present a striking contrast in weather conditions. In September, temperatures range from a minimum of 16°C (60°F) to a scorching maximum of 37°C (98°F), with an average of 25°C (77°F), accompanied by a notable level of humidity at 75%. Precipitation is also significant during this month, totaling 96 mm (3.8 in) over about 10 days, making it one of the wetter months. In contrast, December experiences much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 22°C (73°F), averaging only 7°C (44°F). The humidity remains relatively high at 77%, but precipitation is lower, totaling 46 mm (1.8 in) across roughly 7 days. For more detailed information, visit Dongba weather in December.

Compare Dongba's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dongba

As September rolls into Dongba, the weather showcases a unique blend of warmth and humidity, setting it apart from the preceding summer months. With maximum temperatures reaching 37°C (98°F), the heat lingers while average temperatures moderate to a comfortable 25°C (77°F), welcoming cooler evenings. However, this month also experiences increased precipitation, with rainfall gracing about a third of the days, contributing to the 75% humidity that envelops the region, making it feel more tropical as the season shifts. This month's distinct climate offers a vibrant atmosphere, ideal for exploring the lush surroundings. For a deeper understanding of how September fits into the broader weather patterns, check out Dongba Climate.