September Weather in Xixi, China

Last updated: August 21, 2025

September in Xixi, China brings a blend of warmth and moisture, making it a vibrant time of year. With maximum temperatures peaking at 34°C (93°F) and an average hovering around 28°C (83°F), the days can feel quite sultry. However, the nights are more temperate, with lows of 23°C (74°F) providing some comfort. This month also sees significant rainfall, accumulating to 140 mm (5.5 in) over 18 days, contributing to a humidity level of 71% that envelops the region. Such conditions create a lush landscape, perfect for enjoying the natural beauty of Xixi’s wetlands while staying prepared for the occasional shower.

September Temperature in Xixi

In September, Xixi, China, experiences a warm transition as summer wanes, with temperatures ranging from a comfortable 23°C (74°F) at night to a pleasant 34°C (93°F) during the day. This month showcases an average temperature of 28°C (83°F), maintaining the elevated warmth of the preceding summer months. While the minimum temperatures mark a slight decrease from the peak heat of July and August, they remain notably higher compared to the cooler months, hinting at a gradual shift toward autumn. This mild climate invites residents and visitors alike to enjoy outdoor activities before the seasonal change fully takes hold, making September an ideal time to experience the charm of Xixi.

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

The chart illustrates September temperature patterns in Xixi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xixi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616167727983848483777164
Data source: Temperature data for Xixi 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 Xixi

In September, Xixi, China experiences a notable shift in precipitation patterns, receiving 140 mm (5.5 in) of rain across 18 days. This drop from the preceding months, particularly the heavy downpours in August that peaked at 268 mm (10.6 in), signifies a transition towards drier weather as autumn approaches. While the total precipitation remains significant, it's a decrease that heralds the tapering off of the wet season, paving the way for more moderate rainfall in the coming months. With this change, September serves as a bridge between the intense summer rains and the relatively drier periods of October and November, highlighting the dynamic climate of the region.

September Precipitation Trends in Xixi

The chart displays monthly precipitation patterns in Xixi, 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 Xixi, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec213050591332451672681401024032
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xixi

September in Xixi, China, marks a notable shift in humidity levels, with the average dropping to 71%. Following a summer characterized by elevated humidity, peaking at 85% in both May and July, the transition to autumn brings a welcome relief. The humid conditions that lingered through the warmer months, particularly in June and August, begin to recede, leading to drier and more comfortable air. Notably, September's humidity aligns closely with that of January and October, suggesting a seasonal consistency that offers a refreshing break after the sultry summer heat. As the humidity levels stabilize, residents and visitors can enjoy the milder conditions that sweep in with the changing season.

September Average Humidity in Xixi

This chart illustrates the average monthly humidity levels in Xixi, 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 Xixi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%79%80%85%81%85%84%72%70%72%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xixi

As September rolls into Xixi, China, the UV Index registers at 12, maintaining its status within the extreme exposure category. This indicates a slight decline from the peak summer months, where the UV levels reached a maximum of 13. Despite the marginal dip, residents and visitors alike should still exercise caution, as the burn time remains a brisk 10 minutes. The trend from January through September shows a clear escalation in UV intensity during the spring and summer, peaking in the heart of the season. As autumn approaches, it’s essential to stay sun-smart and aware, especially as the days begin to shorten. For more information on UV levels and safety tips, check out Xixi UV Index.

Maximum UV Index Levels in Xixi for September

The chart shows the monthly maximum UV Index (UVI) for Xixi 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 Xixi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131313121097
Data source: Xixi 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 Xixi

September in Xixi, China, is a delightful culmination of summer’s warmth, boasting 290 hours of sunshine that rivals the brightest days of July and August. As the seasons transition, the sunlight remains abundant, echoing the peak of summer while hinting at the cooler months ahead. This steady glow not only illuminates the stunning landscapes of Xixi but also serves as a reminder of the vibrant energy that characterizes the area, bridging the long, sunlit days of summer with the more subdued sunlight of autumn. With the hours of sunshine gently tapering off from the summer peak, September stands as a perfect blend of vitality and change, inviting both locals and visitors to bask in its glow.

Monthly Sunshine Duration in Xixi: September Highlighted

The September sunshine duration represents the total number of hours Xixi 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h256h270h268h290h260h326h299h290h279h260h264h
Data source: Xixi September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xixi During September

In Xixi, China, the likelihood of sunny weather in September stands at a promising 53%, marking a notable recovery from the dreary summer months, where sunshine is scarce. As the seasons transition, September presents a refreshing contrast to the 11% chance of sun seen in June and the 19% in August. This rise reflects a gradual shift towards more pleasant conditions, reminiscent of the sunnier days of January and November, where chances soar above 68%. With the fall season approaching, visitors can anticipate clearer skies and a delightful climate, making September an ideal time to explore the scenic beauty of Xixi.

Percentage of Sunny Days in September in Xixi

The chart illustrates the percentage of sunny days in Xixi 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 Xixi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%64%55%48%30%11%29%19%53%40%72%55%
Data source: Xixi September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xixi in September

In Xixi, China, September marks a transition as daylight duration stabilizes at 12 hours, mirroring the balance seen in the spring months of March and April. The summer months offer the longest days, peaking at 13 hours, while as the year progresses into October, daylight starts to wane again. This rhythmic cadence of light echoes throughout the year, showcasing a steady shift: from the shorter days of winter through a gradual increase during spring, reaching a climax in summer, before retreating once more into autumn. September, therefore, serves as a reflective midpoint, where the lingering warmth of summer still lingers while hints of the approaching autumn chill begin to emerge.

Average Daylight Hours in Xixi for September

The chart illustrates the variation in daylight duration in Xixi throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 52m11h 22m12h 1m12h 40m13h 14m13h 30m13h 22m12h 53m12h 15m11h 35m11h 1m10h 44m
Data source: Xixi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xixi

As September unfolds in Xixi, China, the wind takes on a gentler character, with an average speed of 2.7 m/s (6 mph), marking a noticeable drop from the brisker breezes of the earlier months. This tranquil shift is part of a broader seasonal trend where wind speeds gradually decline from the lively spring months, particularly peaking in April at 4.2 m/s (9 mph), to the quieter autumn days. The decline continues through the summer, reaching its lowest point in September before picking up again in October to 4.9 m/s (11 mph). This pattern not only reflects the changing seasons but also enhances the serene atmosphere of Xixi, inviting visitors to enjoy the beautiful landscapes in a calm breeze.

Average September Wind Speed in Xixi

The chart displays monthly wind speed patterns in Xixi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.43.94.04.23.63.73.13.02.7 m/s4.94.44.8
Data source: Xixi September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xixi Compares to Other Months

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

September and January present a stark contrast in weather patterns. In September, temperatures soar with a minimum of 23°C (74°F) and an average high of 34°C (93°F), coupled with significant rainfall of 140 mm (5.5 in) over 18 days, creating a humid environment with a consistent humidity level of 71%. In contrast, January ushers in cooler temperatures, with a minimum of 6°C (43°F) and an average of only 16°C (61°F) at its peak, along with minimal precipitation of just 21 mm (0.8 in) across a mere 3 days. This dramatic shift signifies not only a temperature drop but also a transition to a drier, more stable climate during the winter months, despite maintaining the same humidity level of 71%. For more details on January weather in this region, check out Xixi weather in January.

September and February showcase striking contrasts in weather. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), with an average of 28°C (83°F), while February offers much cooler conditions, with temperatures ranging from 7°C (45°F) to 26°C (80°F) and an average of 16°C (61°F). Precipitation is significantly higher in September, totaling 140 mm (5.5 in) over 18 days, compared to February's relatively dry climate with only 29 mm (1.2 in) over just 5 days. Interestingly, the humidity remains fairly consistent, at 71% in September and slightly higher at 73% in February. For more detailed weather insights, you can explore Xixi weather in February.

September and March showcase notable differences in weather characteristics. In September, temperatures range significantly, with a minimum of 23°C (74°F) and a maximum reaching up to 34°C (93°F), resulting in an average temperature of 28°C (83°F). This month also experiences considerable rainfall, totaling 140 mm (5.5 in) over 18 days, coupled with a humidity level of 71%. In contrast, March brings cooler conditions, featuring a minimum temperature of 11°C (52°F) and a maximum of 29°C (84°F), leading to a more moderate average temperature of 19°C (67°F). Precipitation decreases significantly to 50 mm (2.0 in) over just 8 days, while humidity slightly increases to 79%. For more specific insights into weather conditions during this time, check out Xixi weather in March.

September and April exhibit distinct weather patterns, reflecting the transition from summer to autumn. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), with an average of 28°C (83°F). The month also sees higher precipitation, with 140 mm (5.5 in) over 18 days and a humidity level of 71%. In contrast, April features milder temperatures, with a minimum of 15°C (58°F) and a maximum of 31°C (89°F), averaging 22°C (72°F). Rainfall is significantly lower at 59 mm (2.3 in) over just 8 days, and humidity is slightly higher at 80%. For a closer look at April's climate specifics, check out Xixi weather in April.

September and May both feature warm temperatures, though September tends to be slightly hotter with an average of 28°C (83°F) compared to May's average of 26°C (79°F). Both months have a maximum temperature that reaches up to 34°C (93°F in September and 94°F in May), but September experiences more rainfall, with 140 mm (5.5 in) over 18 days, while May sees 133 mm (5.2 in) over just 14 days. Humidity levels are also notably higher in May at 85%, compared to 71% in September, making May feel more humid and potentially uncomfortable. For more details about the weather in May, you can refer to Xixi weather in May.

September and June present relatively similar temperatures, with average highs of 34°C (93°F) in September and 33°C (92°F) in June, making both months quite warm. However, September typically sees slightly lower minimum temperatures, averaging 23°C (74°F) compared to June's 24°C (76°F). In terms of rainfall, June is significantly wetter, receiving 245 mm (9.6 in) over 25 days, whereas September has 140 mm (5.5 in) spread across 18 days, resulting in a drier climate. Humidity levels are also higher in June at 81%, compared to September’s 71%. For more detailed information, you can check Xixi weather in June.

When comparing the weather in September to July, July tends to be hotter, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 36°C (96°F), while September exhibits slightly cooler averages with a minimum of 23°C (74°F) and a maximum of 34°C (93°F). July also experiences higher humidity levels at 85%, compared to September's 71%. Additionally, July sees more precipitation, with about 167 mm (6.6 in) over 24 days, compared to September's 140 mm (5.5 in) over 18 days. For more detailed insights on July weather, check out Xixi weather in July.

In comparing the weather between September and August, September offers slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 34°C (93°F), compared to August's minimum of 25°C (78°F) and maximum of 36°C (97°F). Additionally, September experiences less precipitation, totaling 140 mm (5.5 in) over 18 days, while August sees a much higher accumulation of 268 mm (10.6 in) over 25 days. Humidity levels also decrease from August's 83% to September's 71%. For more detailed information about August weather, you can visit Xixi weather in August.

September and October exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (93°F) and experiences substantial rainfall of 140 mm (5.5 in) over 18 days. In contrast, October sees a decrease in temperatures, with a minimum of 17°C (64°F) and an average of 25°C (78°F), while the maximum remains the same at 34°C (93°F). Rainfall also diminishes significantly in October to 102 mm (4.0 in) over just 6 days, and humidity remains relatively consistent at 70%. For more detailed insights, visit Xixi weather in October.

In September, the weather is typically warm with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (93°F), averaging around 28°C (83°F). This month also sees significant rainfall, with around 140 mm (5.5 in) of precipitation over 18 days, contributing to a relatively high humidity level of 71%.

In contrast, November brings cooler temperatures, with a minimum of 15°C (59°F) and a maximum reaching 30°C (86°F), averaging 22°C (71°F). The precipitation drops to about 40 mm (1.6 in) over just 3 days, leading to a slightly higher humidity level of 72%. For a more detailed look at the weather conditions during this month, check out Xixi weather in November.

September and December present contrasting weather patterns. In September, temperatures are significantly warmer, with a minimum of 23°C (74°F) and an average of 28°C (83°F), peaking at 34°C (93°F). This month also sees higher precipitation, with 140 mm (5.5 in) falling over 18 days, contributing to a humidity level of 71%. In contrast, December experiences cooler conditions, with a minimum temperature of 10°C (50°F) and an average of 18°C (64°F), reaching a maximum of 28°C (82°F). The month is notably drier, with only 32 mm (1.3 in) of rain across just 4 days, and the humidity rises slightly to 75%. For more detailed insights, check out Xixi weather in December.

Compare Xixi's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xixi

As September unfolds in Xixi, the weather transitions into a more humid and warm phase, characterized by an increase in both temperature and precipitation compared to the preceding months. With average temperatures hovering around a comfortable 28°C (83°F) and occasional peaks reaching 34°C (93°F), the atmosphere remains inviting yet noticeably muggy, with humidity levels at 71%. This month also brings a considerable amount of rain, averaging 140 mm spread over 18 days, making it one of the wetter times of the year. Thus, while September offers warm days perfect for outdoor activities, it's essential to prepare for those periodic showers. For detailed insights into the region's overall weather trends, visit Xixi Climate.