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September Weather in Xiyan, China

Last updated: August 22, 2025

In September, the average temperature in Xiyan, China hovers around 23°C (74°F). Visitors should prepare for a temperature range that can dip to a minimum of 15°C (59°F) and rise to a maximum of 34°C (93°F). Expect 110 mm (4.3 in) of precipitation spread over about 15 days, and remember to stay hydrated as the average humidity sits at 67%.

September Temperature in Xiyan

In September in Xiyan, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), while minimums can be as low as 15°C (59°F). This mild climate makes Xiyan an ideal destination for travelers seeking pleasant weather during this time of year.

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

The chart illustrates September temperature patterns in Xiyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiyan, September typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec424554627076807974625444
Data source: Temperature data for Xiyan 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 Xiyan

In Xiyan in September, the precipitation amount is 110 mm (4.3 in) over the course of 15 days.

September Precipitation Trends in Xiyan

The chart displays monthly precipitation patterns in Xiyan, 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 Xiyan, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5394153154225287222134110908762
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xiyan

In Xiyan in September humidity is 67%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making outdoor exploration pleasant yet slightly sticky, perfect for leisurely strolls but requiring occasional breaks for hydration.

September Average Humidity in Xiyan

This chart illustrates the average monthly humidity levels in Xiyan, 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 Xiyan is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%81%82%86%86%89%87%67%67%75%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xiyan

In Xiyan in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Xiyan.

Maximum UV Index Levels in Xiyan for September

The chart shows the monthly maximum UV Index (UVI) for Xiyan 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 Xiyan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111113131313111086
Data source: Xiyan 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.

How September Weather in Xiyan Compares to Other Months

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

This table compares monthly weather conditions in Xiyan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)53 mm (2.1 inches)66%high
February Weather7°C (45°F)93 mm (3.7 inches)72%very high
March Weather12°C (55°F)153 mm (6.0 inches)81%extreme
April Weather16°C (62°F)154 mm (6.1 inches)82%extreme
May Weather21°C (70°F)225 mm (8.9 inches)86%extreme
June Weather24°C (76°F)287 mm (11.3 inches)86%extreme
July Weather26°C (80°F)222 mm (8.8 inches)89%extreme
August Weather26°C (79°F)134 mm (5.3 inches)87%extreme
September Weather23°C (74°F)110 mm (4.3 inches)67%extreme
October Weather17°C (62°F)90 mm (3.5 inches)67%very high
November Weather12°C (55°F)87 mm (3.4 inches)75%very high
December Weather7°C (45°F)62 mm (2.4 inches)75%high

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