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September Weather in Youlan, China

Last updated: August 22, 2025

In September, the average temperature in Youlan, China hovers around 27°C (81°F). Expect a comfortable range with minimums of 18°C (65°F) and the occasional peak at 37°C (99°F). Be prepared for some moisture, as precipitation typically reaches 70 mm (2.8 in) over 7 days, accompanied by an average humidity of 73%.

September Temperature in Youlan

In September in Youlan, the average temperature is 27°C (81°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 18°C (65°F). This pleasant climate makes Youlan an ideal destination for travelers looking to enjoy warm weather.

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

The chart illustrates September temperature patterns in Youlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Youlan, September typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959677682878881706049
Data source: Temperature data for Youlan 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 Youlan

In Youlan in September, the precipitation amount is 70 mm (2.8 in) over a span of 7 days.

September Precipitation Trends in Youlan

The chart displays monthly precipitation patterns in Youlan, 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 Youlan, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec608119216822133523610170376550
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Youlan

In Youlan in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in Youlan

This chart illustrates the average monthly humidity levels in Youlan, 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 Youlan is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Youlan

In Youlan 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 Youlan.

Maximum UV Index Levels in Youlan for September

The chart shows the monthly maximum UV Index (UVI) for Youlan 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 Youlan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121210975
Data source: Youlan 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 Youlan Compares to Other Months

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

This table compares monthly weather conditions in Youlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)60 mm (2.4 inches)69%high
February Weather9°C (49°F)81 mm (3.2 inches)73%high
March Weather15°C (59°F)192 mm (7.5 inches)82%very high
April Weather20°C (67°F)168 mm (6.6 inches)86%very high
May Weather24°C (76°F)220 mm (8.7 inches)86%extreme
June Weather28°C (82°F)335 mm (13.2 inches)86%extreme
July Weather31°C (87°F)236 mm (9.3 inches)90%extreme
August Weather31°C (88°F)100 mm (4.0 inches)86%extreme
September Weather27°C (81°F)70 mm (2.8 inches)73%very high
October Weather21°C (70°F)37 mm (1.5 inches)73%very high
November Weather16°C (60°F)65 mm (2.6 inches)80%high
December Weather9°C (49°F)50 mm (2.0 inches)79%moderate

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