September Weather in Longbu, China

Last updated: August 22, 2025

In Longbu, China, the average temperature in September reaches a warm 27°C (81°F), with minimums dipping to 17°C (62°F) and maximums soaring to a steamy 39°C (103°F). Expect about 82 mm (3.2 in) of precipitation over 12 days, contributing to an average humidity of 61%. Enjoy the vibrant weather, but don't forget your umbrella!

September Temperature in Longbu

In September in Longbu, the average temperature is 27°C (81°F). Maximum can reach 39°C (103°F), and minimum can be as low as 17°C (62°F). Be sure to pack light clothing and stay hydrated while exploring the warm and sunny atmosphere of Longbu.

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

The chart illustrates September temperature patterns in Longbu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longbu, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (103°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec515362687681858481716252
Data source: Temperature data for Longbu 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 Longbu

In Longbu in September, the precipitation amount is 82 mm (3.2 in) occurring over a span of 12 days.

September Precipitation Trends in Longbu

The chart displays monthly precipitation patterns in Longbu, 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 Longbu, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec48901571712072677812182405934
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longbu

In Longbu in September, humidity is 61%. With an average temperature of 27°C (81°F), this humidity feels like a warm, sticky embrace that can make traveling feel slightly sluggish, requiring frequent breaks and plenty of hydration to stay comfortable.

September Average Humidity in Longbu

This chart illustrates the average monthly humidity levels in Longbu, 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 Longbu is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%77%76%85%80%87%84%61%62%67%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longbu

In Longbu 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 Longbu.

Maximum UV Index Levels in Longbu for September

The chart shows the monthly maximum UV Index (UVI) for Longbu 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 Longbu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111113121313111086
Data source: Longbu 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 Longbu Compares to Other Months

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

This table compares monthly weather conditions in Longbu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)48 mm (1.9 inches)66%high
February Weather12°C (53°F)90 mm (3.6 inches)70%very high
March Weather17°C (62°F)157 mm (6.2 inches)77%extreme
April Weather20°C (68°F)171 mm (6.7 inches)76%extreme
May Weather24°C (76°F)207 mm (8.2 inches)85%extreme
June Weather27°C (81°F)267 mm (10.5 inches)80%extreme
July Weather29°C (85°F)78 mm (3.1 inches)87%extreme
August Weather29°C (85°F)121 mm (4.8 inches)84%extreme
September Weather27°C (81°F)82 mm (3.2 inches)61%extreme
October Weather22°C (71°F)40 mm (1.6 inches)62%very high
November Weather17°C (62°F)59 mm (2.3 inches)67%very high
December Weather11°C (52°F)34 mm (1.3 inches)74%high

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