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September Weather in Haicheng, China

Last updated: August 23, 2025

The average temperature in Haicheng, China during September is a warm 28°C (83°F). While the temperatures can dip to a cool 23°C (74°F), they can also rise to a balmy 32°C (91°F). During this time, expect precipitation to total around 278 mm (11.0 in) over approximately 23 days, contributing to a high average humidity of 78%. Stay prepared for a tropical experience!

September Temperature in Haicheng

In September in Haicheng, the average temperature is 28°C (83°F). Maximums can reach 32°C (91°F), while minimums can drop to as low as 23°C (74°F). This pleasant climate makes Haicheng an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates September temperature patterns in Haicheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haicheng, September typically has an average temperature of 28°C (83°F), with highs reaching up to 32°C (91°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec626370758185848483777263
Data source: Temperature data for Haicheng 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 Haicheng

In Haicheng in September, the total precipitation amount is 278 mm (11.0 in) over the course of 23 days.

September Precipitation Trends in Haicheng

The chart displays monthly precipitation patterns in Haicheng, 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 Haicheng, September typically receives around 278 mm (11.0 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec3554591411952803675102781873439
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haicheng

In Haicheng in September, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.

September Average Humidity in Haicheng

This chart illustrates the average monthly humidity levels in Haicheng, 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 Haicheng is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%73%71%76%79%86%86%78%72%69%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haicheng

In Haicheng in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Haicheng.

Maximum UV Index Levels in Haicheng for September

The chart shows the monthly maximum UV Index (UVI) for Haicheng 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 Haicheng typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131314121187
Data source: Haicheng 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 Haicheng Compares to Other Months

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

This table compares monthly weather conditions in Haicheng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)34 mm (1.4 inches)66%very high
February Weather17°C (64°F)54 mm (2.1 inches)71%very high
March Weather21°C (70°F)59 mm (2.3 inches)73%extreme
April Weather24°C (75°F)141 mm (5.6 inches)71%extreme
May Weather27°C (81°F)195 mm (7.7 inches)76%extreme
June Weather29°C (85°F)280 mm (11.0 inches)79%extreme
July Weather29°C (85°F)367 mm (14.5 inches)86%extreme
August Weather29°C (84°F)510 mm (20.1 inches)86%extreme
September Weather28°C (83°F)278 mm (11.0 inches)78%extreme
October Weather25°C (78°F)187 mm (7.4 inches)72%extreme
November Weather22°C (72°F)34 mm (1.3 inches)69%very high
December Weather17°C (64°F)39 mm (1.5 inches)70%high

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