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September Weather in Xinyuan, China

Last updated: August 22, 2025

In September, the average temperature in Xinyuan, China is a pleasant 18°C (65°F), making it an ideal time to explore. Expect lows of around 11°C (51°F) and highs reaching up to 28°C (83°F). Be prepared for some rain, as 235 mm (9.2 in) of precipitation can occur over 19 days. Additionally, the average humidity is quite high at 89%, so don't forget your umbrella!

September Temperature in Xinyuan

In September in Xinyuan, the average temperature is 18°C (65°F). The maximum can reach 28°C (83°F), while the minimum can be as low as 11°C (51°F). Travelers can expect mild and pleasant weather, making it an ideal time for outdoor adventures and sightseeing.

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

The chart illustrates September temperature patterns in Xinyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xinyuan, September typically has an average temperature of 18°C (65°F), with highs reaching up to 28°C (83°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec353949566470747465544637
Data source: Temperature data for Xinyuan 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 Xinyuan

In Xinyuan, in September, the precipitation amount is 235 mm (9.2 in) over a span of 19 days.

September Precipitation Trends in Xinyuan

The chart displays monthly precipitation patterns in Xinyuan, 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 Xinyuan, September typically receives around 235 mm (9.2 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec223062871031612512062351804525
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xinyuan

In Xinyuan in September, humidity is 89%. With an average temperature of 18°C (65°F), this humidity feels like wrapping yourself in a damp blanket while traveling, making it sticky and uncomfortable for outdoor activities.

September Average Humidity in Xinyuan

This chart illustrates the average monthly humidity levels in Xinyuan, 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 Xinyuan is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%90%85%81%86%87%88%89%90%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xinyuan

In Xinyuan in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Xinyuan.

Maximum UV Index Levels in Xinyuan for September

The chart shows the monthly maximum UV Index (UVI) for Xinyuan 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 Xinyuan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110854
Data source: Xinyuan 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 Xinyuan Compares to Other Months

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

This table compares monthly weather conditions in Xinyuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)22 mm (0.9 inches)85%moderate
February Weather4°C (39°F)30 mm (1.2 inches)87%high
March Weather9°C (49°F)62 mm (2.4 inches)90%very high
April Weather14°C (57°F)87 mm (3.4 inches)85%very high
May Weather18°C (64°F)102 mm (4.0 inches)81%extreme
June Weather21°C (70°F)161 mm (6.3 inches)86%extreme
July Weather23°C (74°F)251 mm (9.9 inches)87%extreme
August Weather23°C (74°F)206 mm (8.1 inches)88%extreme
September Weather18°C (65°F)235 mm (9.2 inches)89%very high
October Weather12°C (55°F)180 mm (7.1 inches)90%very high
November Weather8°C (46°F)45 mm (1.8 inches)88%moderate
December Weather3°C (37°F)25 mm (1.0 inches)88%moderate

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