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September Weather in Longyuan, China

Last updated: August 22, 2025

In September, the average temperature in Longyuan, China hovers around 25°C (77°F). Daily highs can soar to a balmy 36°C (96°F), while nighttime lows may dip to a cool 16°C (60°F). Expect to encounter 101 mm (4.0 in) of precipitation over approximately 12 days, along with an average humidity level of 72%. Stay prepared for a mix of warmth and occasional rain!

September Temperature in Longyuan

In September in Longyuan, the average temperature is 25°C (77°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as 16°C (60°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Longyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longyuan, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec424554627176828376665645
Data source: Temperature data for Longyuan 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 Longyuan

In Longyuan in September, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

September Precipitation Trends in Longyuan

The chart displays monthly precipitation patterns in Longyuan, 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 Longyuan, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7380181151232367275159101396365
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longyuan

In Longyuan in September, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

September Average Humidity in Longyuan

This chart illustrates the average monthly humidity levels in Longyuan, 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 Longyuan is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longyuan

In Longyuan 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 Longyuan.

Maximum UV Index Levels in Longyuan for September

The chart shows the monthly maximum UV Index (UVI) for Longyuan 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 Longyuan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101212121211965
Data source: Longyuan 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 Longyuan Compares to Other Months

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

This table compares monthly weather conditions in Longyuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)73 mm (2.9 inches)65%high
February Weather7°C (45°F)80 mm (3.2 inches)71%high
March Weather12°C (54°F)181 mm (7.1 inches)81%very high
April Weather17°C (63°F)151 mm (5.9 inches)86%very high
May Weather22°C (71°F)232 mm (9.1 inches)87%extreme
June Weather24°C (76°F)367 mm (14.4 inches)87%extreme
July Weather28°C (82°F)275 mm (10.8 inches)91%extreme
August Weather28°C (83°F)159 mm (6.3 inches)87%extreme
September Weather25°C (77°F)101 mm (4.0 inches)72%extreme
October Weather19°C (66°F)39 mm (1.6 inches)74%very high
November Weather13°C (56°F)63 mm (2.5 inches)80%high
December Weather7°C (45°F)65 mm (2.6 inches)78%moderate

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