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September Weather in He'erkou, China

Last updated: August 22, 2025

In September, the average temperature in He'erkou, China hovers around 27°C (81°F), with a comfortable minimum of 19°C (66°F) and a warm maximum reaching 36°C (96°F). Expect about 170 mm (6.7 in) of precipitation spread over 20 days, contributing to an average humidity of 72%. Be prepared for a mix of warmth and occasional rain as you explore this vibrant destination!

September Temperature in He'erkou

In September, in He'erkou, the average temperature is 27°C (81°F), with maximums reaching 36°C (96°F) and minimums dipping as low as 19°C (66°F). It's an ideal time for travelers who enjoy warm weather and outdoor activities.

September Weather in He'erkou: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in He'erkou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In He'erkou, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (96°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec575866707881838281736657
Data source: Temperature data for He'erkou 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 He'erkou

In He'erkou in September, the precipitation amount reaches 170 mm (6.7 in) over a period of 20 days.

September Precipitation Trends in He'erkou

The chart displays monthly precipitation patterns in He'erkou, 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 He'erkou, September typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec4391168189194294181252170863627
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in He'erkou

In He'erkou in September humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

September Average Humidity in He'erkou

This chart illustrates the average monthly humidity levels in He'erkou, 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 He'erkou is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%65%62%76%76%88%88%72%63%62%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in He'erkou

In He'erkou 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 He'erkou.

Maximum UV Index Levels in He'erkou for September

The chart shows the monthly maximum UV Index (UVI) for He'erkou 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 He'erkou typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213121312111087
Data source: He'erkou 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 He'erkou Compares to Other Months

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

This table compares monthly weather conditions in He'erkou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)43 mm (1.7 inches)59%high
February Weather14°C (58°F)91 mm (3.6 inches)64%very high
March Weather19°C (66°F)168 mm (6.6 inches)65%extreme
April Weather21°C (71°F)189 mm (7.4 inches)62%extreme
May Weather25°C (78°F)193 mm (7.6 inches)76%extreme
June Weather27°C (81°F)294 mm (11.6 inches)76%extreme
July Weather28°C (83°F)181 mm (7.1 inches)87%extreme
August Weather28°C (82°F)252 mm (9.9 inches)88%extreme
September Weather27°C (81°F)170 mm (6.7 inches)72%extreme
October Weather23°C (73°F)86 mm (3.4 inches)62%very high
November Weather19°C (67°F)36 mm (1.4 inches)62%very high
December Weather14°C (58°F)27 mm (1.1 inches)66%high

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