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September Weather in Xilan, China

Last updated: August 23, 2025

In Xilan, China, the average temperature in September hovers around 26°C (79°F). Expect a pleasant range, with minimums dipping to 17°C (62°F) and maximums soaring to 37°C (99°F). However, be prepared for some rain, as 105 mm (4.1 in) of precipitation usually falls over 15 days. With an average humidity level of 67%, you'll experience a warm and slightly moist environment throughout the month.

September Temperature in Xilan

In September in Xilan, the average temperature is 26°C (79°F). Maximums can reach 37°C (99°F), and minimums can be as low as 17°C (62°F). This makes Xilan a warm and pleasant destination for travelers seeking sun and mild evenings.

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

The chart illustrates September temperature patterns in Xilan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xilan, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec515158647277828178706254
Data source: Temperature data for Xilan 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 Xilan

In Xilan in September, the total precipitation amount is 105 mm (4.1 in) over a span of 15 days.

September Precipitation Trends in Xilan

The chart displays monthly precipitation patterns in Xilan, 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 Xilan, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4879142114202323177332105707841
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xilan

In Xilan in September, humidity is 67%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky but manageable; it's best to plan sightseeing for the cooler mornings or late afternoons to fully enjoy your travels.

September Average Humidity in Xilan

This chart illustrates the average monthly humidity levels in Xilan, 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 Xilan is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%81%84%87%84%88%85%67%72%77%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xilan

In Xilan 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 Xilan.

Maximum UV Index Levels in Xilan for September

The chart shows the monthly maximum UV Index (UVI) for Xilan 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 Xilan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6910111213121311986
Data source: Xilan 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 Xilan Compares to Other Months

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

This table compares monthly weather conditions in Xilan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)48 mm (1.9 inches)66%high
February Weather11°C (52°F)79 mm (3.1 inches)71%very high
March Weather14°C (58°F)142 mm (5.6 inches)81%very high
April Weather18°C (64°F)113 mm (4.5 inches)84%extreme
May Weather22°C (72°F)202 mm (8.0 inches)87%extreme
June Weather25°C (78°F)323 mm (12.7 inches)84%extreme
July Weather28°C (82°F)177 mm (7.0 inches)88%extreme
August Weather27°C (82°F)332 mm (13.1 inches)85%extreme
September Weather26°C (79°F)105 mm (4.1 inches)67%extreme
October Weather21°C (70°F)70 mm (2.8 inches)72%very high
November Weather17°C (63°F)78 mm (3.1 inches)77%very high
December Weather12°C (54°F)41 mm (1.6 inches)80%high

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