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September Weather in Lanlongkou, China

Last updated: August 22, 2025

In September, the average temperature in Lanlongkou, China hovers around 10°C (51°F), with a minimum of 1°C (33°F) and a maximum soaring up to 23°C (74°F). Expect about 116 mm (4.6 in) of precipitation over approximately 20 days, contributing to an average humidity of 82%. Be prepared for a mix of chilly and warm days in this vibrant month!

September Temperature in Lanlongkou

In September in Lanlongkou, the average temperature is 10°C (51°F). The maximum can reach 23°C (74°F), and the minimum can be as low as 1°C (33°F). This mild climate makes Lanlongkou an ideal destination for travelers seeking a comfortable getaway during this time of year.

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

The chart illustrates September temperature patterns in Lanlongkou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanlongkou, September typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (74°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec162132414855595751392717
Data source: Temperature data for Lanlongkou 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 Lanlongkou

In Lanlongkou in September, the precipitation amount is 116 mm (4.6 in) over the course of 20 days.

September Precipitation Trends in Lanlongkou

The chart displays monthly precipitation patterns in Lanlongkou, 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 Lanlongkou, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec99225477989413111661136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lanlongkou

In Lanlongkou in September humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

September Average Humidity in Lanlongkou

This chart illustrates the average monthly humidity levels in Lanlongkou, 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 Lanlongkou is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%80%81%78%71%77%77%82%82%85%80%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lanlongkou

In Lanlongkou 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 Lanlongkou.

Maximum UV Index Levels in Lanlongkou for September

The chart shows the monthly maximum UV Index (UVI) for Lanlongkou 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 Lanlongkou typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec358111313131210853
Data source: Lanlongkou 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 Lanlongkou Compares to Other Months

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

This table compares monthly weather conditions in Lanlongkou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)9 mm (0.3 inches)74%moderate
February Weather-6°C (21°F)9 mm (0.4 inches)80%moderate
March Weather0°C (33°F)22 mm (0.9 inches)81%very high
April Weather5°C (41°F)54 mm (2.1 inches)78%extreme
May Weather9°C (49°F)77 mm (3.0 inches)71%extreme
June Weather13°C (55°F)98 mm (3.9 inches)77%extreme
July Weather15°C (59°F)94 mm (3.7 inches)77%extreme
August Weather14°C (58°F)131 mm (5.1 inches)82%extreme
September Weather10°C (51°F)116 mm (4.6 inches)82%very high
October Weather4°C (39°F)61 mm (2.4 inches)85%very high
November Weather-3°C (27°F)13 mm (0.5 inches)79%moderate
December Weather-9°C (17°F)6 mm (0.2 inches)71%moderate

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