nomadseason

September Weather in Longkou, China

Last updated: August 22, 2025

In September, the average temperature in Longkou, China is a pleasant 26°C (78°F), with values ranging from a minimum of 17°C (64°F) to a maximum of 38°C (101°F). Prepare for some rain, as precipitation averages 100 mm (4.0 in) over 11 days of the month. With an average humidity of 66%, it's a perfect time to enjoy the warm climate!

September Temperature in Longkou

In September in Longkou, the average temperature is 26°C (78°F), with maximums that can reach 38°C (101°F) and minimums that can drop to 17°C (64°F). This makes it an ideal time for travelers seeking a warm climate while enjoying pleasant evenings.

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

The chart illustrates September temperature patterns in Longkou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longkou, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec424656657380858678655745
Data source: Temperature data for Longkou generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Longkou

In Longkou in September, the total precipitation amounts to 100 mm (4.0 in) over the course of 11 days.

September Precipitation Trends in Longkou

The chart displays monthly precipitation patterns in Longkou, 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 Longkou, September typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5777142158207219232148100585032
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Longkou

In Longkou in September, humidity is 66%. With an average temperature of 26°C (78°F), this humidity feels like a warm, sultry embrace that can be slightly stifling for traveling, making you crave cool breezes and shaded spots to relax and rehydrate.

September Average Humidity in Longkou

This chart illustrates the average monthly humidity levels in Longkou, 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 Longkou is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longkou

In Longkou 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 Longkou.

Maximum UV Index Levels in Longkou for September

The chart shows the monthly maximum UV Index (UVI) for Longkou 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 Longkou typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121210864
Data source: Longkou 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 Longkou Compares to Other Months

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

This table compares monthly weather conditions in Longkou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)57 mm (2.2 inches)69%moderate
February Weather8°C (46°F)77 mm (3.0 inches)71%high
March Weather13°C (57°F)142 mm (5.6 inches)83%very high
April Weather18°C (65°F)158 mm (6.2 inches)86%very high
May Weather23°C (74°F)206 mm (8.1 inches)85%very high
June Weather27°C (80°F)219 mm (8.6 inches)85%extreme
July Weather29°C (85°F)232 mm (9.1 inches)89%extreme
August Weather30°C (86°F)148 mm (5.8 inches)85%extreme
September Weather26°C (78°F)100 mm (4.0 inches)66%very high
October Weather19°C (66°F)58 mm (2.3 inches)68%very high
November Weather14°C (57°F)50 mm (2.0 inches)77%high
December Weather7°C (46°F)32 mm (1.3 inches)78%moderate

Compare Longkou's Climate with Cities Worldwide