September Weather in Datong, China

Last updated: August 21, 2025

September in Datong, China, showcases a delightful transition into autumn, with temperatures ranging from a maximum of 30°C (86°F) to a minimum of 2°C (35°F). The month's average temperature settles at a comfortable 17°C (62°F), making it an ideal time for outdoor explorations. However, don't forget your umbrella, as precipitation totals around 45 mm (1.8 in), typically spread over 7 days. With average humidity hovering at 61%, visitors can expect refreshing days followed by cooler nights, perfect for enjoying the city's rich history and stunning landscapes.

September Temperature in Datong

September in Datong, China, marks a gentle transition from the sultry summer to the crispness of autumn. With temperatures ranging from a minimum of 2°C (35°F) to a pleasant average of 17°C (62°F) and a peak of 30°C (86°F), the month offers a temperate escape ideal for outdoor activities. As the lingering warmth of August dissipates, the days are still warm enough to enjoy while the nights begin to cool, hinting at the approaching winter chill. This gradual drop not only brings a refreshing breeze but also sets the stage for the vibrant autumn foliage that characterizes the region in the following months. Embrace September in Datong, where the climate provides a perfect backdrop for exploration and seasonal change.

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

The chart illustrates September temperature patterns in Datong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Datong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec172439506271737162473319
Data source: Temperature data for Datong 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 Datong

In September, Datong, China experiences a noticeable shift in rainfall patterns as the summer heat begins to wane. With 45 mm (1.8 in) of precipitation spread over 7 days, this month stands out as a transitional period, signaling the arrival of autumn. While September's rainfall is significantly lower compared to the peak summer months of July and August, which see over 100 mm, it still serves to rejuvenate the landscape as it heads into fall. This month's moderate precipitation highlights a gradual decrease from the summer's torrential downpours, aligning with a general trend of diminishing rainfall leading into the dryer autumn months ahead.

September Precipitation Trends in Datong

The chart displays monthly precipitation patterns in Datong, 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 Datong, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec24192632491301034539141
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Datong

As September rolls in, Datong, China, experiences a notable shift in humidity, with levels averaging 61%—a drop from the sweltering summer months that peak at 74% in August. This transition signals a gradual easing of the intense moisture that characterizes mid-summer, as the city prepares for the cooler autumn days ahead. Notably, this month sees humidity levels resemble those of April and March, reflecting a consistent pattern where late summer yields to the refreshing crispness of fall. As the humidity begins to recede, residents can enjoy the softer, more temperate climate while still feeling the remnants of summer’s warmth.

September Average Humidity in Datong

This chart illustrates the average monthly humidity levels in Datong, 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 Datong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%52%63%54%62%71%74%61%69%64%58%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Datong

In September, Datong experiences a UV Index of 8, categorizing it as very high, with a burn time of just 15 minutes. This slight decrease from the peak July value reflects the gradual transition from summer to autumn, yet it still emphasizes the importance of sun protection. As the months progress from January's low UV Index of 2 to July's extreme levels, we notice a consistent rise in UV exposure, peaking in the summer. Following September, the UV Index dips to 6 in October, indicating a safer sun exposure level, yet the trend reminds residents and visitors alike to remain vigilant as sunlight remains potent through much of the year. For more details and guidance on UV safety, visit Datong UV Index.

Maximum UV Index Levels in Datong for September

The chart shows the monthly maximum UV Index (UVI) for Datong 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 Datong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2469101011108642
Data source: Datong 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 Datong

As summer wanes and autumn approaches, September in Datong, China, brings a delightful 288 hours of sunshine, creating a warm and inviting atmosphere for locals and visitors alike. This marks a gentle decline from the vibrant summer months, where the city basked in over 330 hours of sunlight in both July and August. Interestingly, September's sunshine is still robust compared to the winter months, which see notably fewer hours, peaking at just 220 in January. With autumn's arrival, Datong begins a gradual shift towards shorter days; however, the lingering warmth of September provides a charming backdrop for outdoor activities and exploration, echoing its sun-drenched summer predecessors.

Monthly Sunshine Duration in Datong: September Highlighted

The September sunshine duration represents the total number of hours Datong 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.
JanFebMarAprMayJunJulAugSepOctNovDec220h269h302h303h340h327h336h330h288h271h257h265h
Data source: Datong September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Datong During September

In Datong, China, September marks a subtle shift in the weather, as the likelihood of sunny days dips to 47%. This decrease follows a summer dominated by fluctuating sunshine probabilities, peaking in the early months of the year with January at 85% and November not far behind at 77%. As summer transitions to autumn, September experiences a more clouded forecast compared to the vibrant sun-soaked months of June and July, where sunny moments hover around the 50% mark. While still maintaining a moderate chance of sun, September signals a gradual embrace of cooler temperatures and occasional gray skies, setting the stage for the crisp, clear days that October promises.

Percentage of Sunny Days in September in Datong

The chart illustrates the percentage of sunny days in Datong 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 Datong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec85%72%54%45%58%50%48%53%47%55%77%86%
Data source: Datong September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Datong in September

As summer transitions into autumn, September in Datong, China, brings a gentle decline in daylight hours, with the sun shining for 12 hours each day. Following the peak of 14 hours in June and July, the days gradually shorten, reflecting the natural rhythm of the changing seasons. This shift marks a subtle but noticeable shift in the environment, as the lush vibrancy of summer gives way to the warm hues of fall. With daylight diminishing compared to the preceding months, September offers a perfect opportunity to embrace the mellow beauty of early autumn, while still enjoying ample sunlight for outdoor activities.

Average Daylight Hours in Datong for September

The chart illustrates the variation in daylight duration in Datong throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 40m10h 40m11h 57m13h 16m14h 22m14h 56m14h 39m13h 40m12h 25m11h 7m9h 58m9h 22m
Data source: Datong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Datong

As autumn approaches in Datong, September brings gentle breezes with an average wind speed of just 2.1 m/s (5 mph), mirroring the calm experienced in the preceding summer months. This slight dip follows the trend of gradual decrease observed from spring's moderate winds, peaking at 3.7 m/s (8 mph) in May, down to the soft whispers of September. Interestingly, while the year began with a steady range of higher wind speeds, a notable decline occurs in the heat of July and August, setting the stage for the tranquil conditions that characterize September. October shows a slight uptick, but the overall trend reveals a shift toward more serene days as the year transitions, inviting reflective moments amidst the changing foliage.

Average September Wind Speed in Datong

The chart displays monthly wind speed patterns in Datong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.02.73.13.72.62.02.12.1 m/s2.23.13.1
Data source: Datong September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Datong Compares to Other Months

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

In September, the weather typically features a wide temperature range, with minimums around 2°C (35°F) and maximums reaching up to 30°C (86°F), resulting in an average temperature of 17°C (62°F). The month is relatively humid, with an average humidity of 61% and about 45 mm (1.8 in) of precipitation over 7 days. In contrast, January presents a starkly different climate; temperatures plummet to a minimum of -25°C (-12°F) and peak at just 6°C (44°F), averaging -8°C (17°F). This winter month is notably dry, with only 2 mm (0.1 in) of precipitation and typically no rainy days. Humidity is lower in January at 52%. For more details, you can check Datong weather in January.

In September, the weather showcases a broad range of temperatures, with a minimum of 2°C and a maximum soaring to 30°C, averaging around 17°C. The month is relatively humid at 61% and experiences approximately 45 mm of precipitation over about seven days. In contrast, February presents a starkly different climate, characterized by chilling temperatures that can plummet as low as -20°C, with an average of -4°C and a high of only 17°C. The precipitation is minimal, at just 4 mm over a single day, and the humidity is lower at 49%. For a detailed look at February weather, check out Datong weather in February.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (86°F) and an average of 17°C (62°F). The month experiences about 45 mm (1.8 in) of precipitation over approximately 7 days, accompanied by a humidity level of 61%. In contrast, March presents cooler temperatures, with a minimum of -9°C (17°F) and a maximum of 23°C (74°F), averaging around 4°C (39°F). This month sees significantly less precipitation, totaling 19 mm (0.7 in) over just 4 days, and a lower humidity level of 52%. For more detailed information, you can visit Datong weather in March.

September and April present distinct weather contrasts. In September, temperatures range from a chilly 2°C (35°F) at night to a warm 30°C (86°F) during the day, with an average of 17°C (62°F). The month typically experiences about 45 mm (1.8 in) of precipitation over roughly 7 days and maintains a humidity level of 61%. In contrast, April features cooler conditions, with nighttime lows reaching as low as -8°C (18°F) and daytime highs also touching 30°C (85°F), though the average temperature is notably lower at 10°C (50°F). This month sees less precipitation, averaging 26 mm (1.0 in) over 5 days, with humidity slightly higher at 63%. For more detailed information on April weather, you can visit Datong weather in April.

In September, temperatures range from a cool 2°C (35°F) at night to a warm 30°C (86°F) during the day, creating a comfortable average of 17°C (62°F). The month experiences about 45 mm (1.8 in) of precipitation over approximately 7 days, with humidity levels at 61%. In contrast, May offers a slightly broader temperature spectrum, with nighttime lows of 0°C (31°F) and daytime highs reaching up to 34°C (94°F), maintaining the same average temperature of 17°C (62°F) as September. However, May is generally drier, with just 32 mm (1.3 in) of precipitation over about 6 days and lower humidity at 54%. For more detailed information, visit Datong weather in May.

In comparing the weather of September and June, we notice that June typically offers warmer temperatures, with averages around 22°C (71°F) and highs reaching up to 33°C (92°F), while September averages a cooler 17°C (62°F) and can peak at 30°C (86°F). The minimum temperatures in June start higher at 7°C (45°F), compared to 2°C (35°F) in September. Both months have similar precipitation levels, with June receiving 49 mm (1.9 in) over 8 days, slightly more than September's 45 mm (1.8 in) over 7 days. Humidity remains consistent between the two months, with June at 62% and September at 61%. For more detailed weather information, you can visit Datong weather in June.

When comparing the weather in September to that of July, September offers a much cooler climate, with minimum temperatures dropping to 2°C (35°F) and average highs around 30°C (86°F). In contrast, July experiences much warmer conditions, featuring a minimum temperature of 12°C (53°F) and average highs reaching 36°C (97°F). Additionally, July is characterized by higher humidity levels at 71% and more precipitation, totaling 130 mm (5.1 in) over 13 days, compared to September's 45 mm (1.8 in) over just 7 days. For more detailed insights, you can refer to Datong weather in July.

In comparing the weather of September and August, September generally experiences cooler temperatures, with a minimum of 2°C (35°F) compared to August’s milder minimum of 10°C (51°F). The average temperature in September hovers around 17°C (62°F), significantly lower than August's average of 22°C (71°F). While both months see some precipitation, August is notably wetter, receiving 103 mm (4.0 in) over 11 days, contrasted with September's 45 mm (1.8 in) over 7 days. Additionally, humidity levels are higher in August at 74%, compared to September's 61%. For more details on August weather, check Datong weather in August.

September typically showcases a warm and variable climate, with temperatures ranging from a cool 2°C (35°F) at night to a warm 30°C (86°F) during the day, resulting in an average of 17°C (62°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 7 days, with a relative humidity of 61%. In contrast, October marks a more pronounced transition towards cooler weather, with temperatures dipping to a minimum of -6°C (21°F) and an average of 8°C (47°F), but peaking at a still pleasant 27°C (80°F). Precipitation decreases slightly to 39 mm (1.5 in) over 6 days, and humidity rises to 69%. The shift in weather from September to October indicates the onset of autumn, with cooler temperatures and increased moisture. For more details, check out Datong weather in October.

September and November present strikingly different weather patterns. In September, temperatures range widely from a refreshing minimum of 2°C (35°F) to a warm maximum of 30°C (86°F), with an average of 17°C (62°F), alongside a relatively moderate humidity of 61% and precipitation occurring over 7 days. In contrast, November sees a much cooler climate, with minimum temperatures dipping to -14°C (7°F) and an average temperature of just 1°C (33°F). The maximum temperature in November reaches a milder 18°C (64°F), while precipitation decreases significantly to 14 mm (0.5 in) over just 2 days and humidity rises slightly to 64%. For a more detailed look at the weather in November, you can refer to Datong weather in November.

September and December weather present a stark contrast in both temperature and conditions. In September, temperatures range significantly, with a minimum of 2°C (35°F) and an average of 17°C (62°F) peaking at 30°C (86°F). This month experiences moderate precipitation of 45 mm (1.8 in) across about 7 days, paired with a humidity level of 61%. In contrast, December brings much colder temperatures, with a minimum of -23°C (-9°F), an average of -7°C (19°F), and a maximum reaching only 8°C (47°F). Notably, December sees very little precipitation, with just 1 mm (0.1 in) and no rainy days, resulting in a humidity level of 58%. For more detailed insights into December weather, you can check out Datong weather in December.

Compare Datong's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Datong

As September rolls into Datong, the weather showcases a delightful shift from the extremes of summer to a more temperate and refreshing climate. With average temperatures settling around a comfortable 17°C (62°F), it's a welcome change from the sweltering heat of the previous months. This month also brings occasional rainfall, totaling approximately 45 mm over seven days, enhancing the vibrancy of the landscape while maintaining moderate humidity levels of 61%. Such conditions provide an ideal backdrop for outdoor activities, making September a lovely time to experience the city's rich culture and stunning scenery. To explore more about the year-round climate of Datong, visit Datong Climate.