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September Weather in Haitou, China

Last updated: August 22, 2025

In September, the average temperature in Haitou, China hovers around 28°C (83°F), making it a warm retreat. Temperatures can dip to a comfortable 24°C (75°F), while highs reach up to a scorching 34°C (94°F). With 134 mm (5.3 in) of precipitation over 19 days, you can expect some rain, so a light umbrella might come in handy. Additionally, the average humidity sits at a sweltering 82%, adding to the tropical ambiance of this stunning destination.

September Temperature in Haitou

In September in Haitou, the average temperature is 28°C (83°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 24°C (75°F). This warm climate makes it an ideal destination for outdoor activities and relaxation under the sun.

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

The chart illustrates September temperature patterns in Haitou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haitou, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec686975798386858483797569
Data source: Temperature data for Haitou 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 Haitou

In Haitou in September, the precipitation amount is 134 mm (5.3 in) over a span of 19 days.

September Precipitation Trends in Haitou

The chart displays monthly precipitation patterns in Haitou, 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 Haitou, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec182125681021152042631341524034
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haitou

In Haitou in September, humidity is 82%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, damp embrace, which can make traveling feel heavy and exhausting, as every movement can be met with a sticky veil of moisture that clings to the skin.

September Average Humidity in Haitou

This chart illustrates the average monthly humidity levels in Haitou, 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 Haitou is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%75%75%78%80%87%87%82%80%76%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haitou

In Haitou in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Haitou.

Maximum UV Index Levels in Haitou for September

The chart shows the monthly maximum UV Index (UVI) for Haitou 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 Haitou typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121314131314131298
Data source: Haitou 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 Haitou Compares to Other Months

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

This table compares monthly weather conditions in Haitou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)18 mm (0.7 inches)70%very high
February Weather20°C (69°F)21 mm (0.8 inches)73%extreme
March Weather24°C (75°F)25 mm (1.0 inches)75%extreme
April Weather26°C (79°F)68 mm (2.7 inches)75%extreme
May Weather28°C (83°F)102 mm (4.0 inches)78%extreme
June Weather30°C (86°F)115 mm (4.5 inches)80%extreme
July Weather30°C (85°F)203 mm (8.0 inches)87%extreme
August Weather29°C (84°F)263 mm (10.4 inches)87%extreme
September Weather28°C (83°F)134 mm (5.3 inches)82%extreme
October Weather26°C (80°F)152 mm (6.0 inches)80%extreme
November Weather24°C (76°F)40 mm (1.6 inches)76%very high
December Weather21°C (70°F)34 mm (1.4 inches)75%very high

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