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September Weather in Hekou, China

Last updated: August 23, 2025

In September, the average temperature in Hekou, China reaches a warm 27°C (81°F). Expect a minimum of 19°C (67°F) and a high of 35°C (95°F). Be prepared for 163 mm (6.4 in) of precipitation over about 20 days, coupled with an average humidity of 71%. Whether you're basking in the sun or enjoying the occasional shower, it's a vibrant time of year!

September Temperature in Hekou

In September in Hekou, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F) and minimums can be as low as 19°C (67°F). This pleasant climate makes Hekou an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates September temperature patterns in Hekou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hekou, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec595966717780828180746860
Data source: Temperature data for Hekou 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 Hekou

In Hekou in September, the precipitation amount is 163 mm (6.4 in) spread over a period of 20 days.

September Precipitation Trends in Hekou

The chart displays monthly precipitation patterns in Hekou, 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 Hekou, September typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec254471901523151983061631033225
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hekou

In Hekou in September, humidity is 71%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket wrapping around you, making travel feel more strenuous and sweaty, yet the tropical atmosphere offers a unique charm that invites exploration amidst the warmth.

September Average Humidity in Hekou

This chart illustrates the average monthly humidity levels in Hekou, 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 Hekou is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%79%80%85%81%85%84%72%70%72%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hekou

In Hekou 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 Hekou.

Maximum UV Index Levels in Hekou for September

The chart shows the monthly maximum UV Index (UVI) for Hekou 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 Hekou typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131313121097
Data source: Hekou 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 Hekou Compares to Other Months

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

This table compares monthly weather conditions in Hekou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)25 mm (1.0 inches)71%high
February Weather15°C (60°F)44 mm (1.7 inches)73%very high
March Weather19°C (67°F)71 mm (2.8 inches)79%extreme
April Weather22°C (71°F)90 mm (3.6 inches)80%extreme
May Weather25°C (78°F)151 mm (6.0 inches)85%extreme
June Weather27°C (81°F)315 mm (12.4 inches)81%extreme
July Weather28°C (82°F)198 mm (7.8 inches)85%extreme
August Weather27°C (81°F)306 mm (12.1 inches)83%extreme
September Weather27°C (81°F)163 mm (6.4 inches)71%extreme
October Weather24°C (75°F)103 mm (4.1 inches)70%very high
November Weather20°C (69°F)32 mm (1.3 inches)72%very high
December Weather16°C (61°F)25 mm (1.0 inches)75%high

Compare Hekou's Climate with Cities Worldwide