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September Weather in Tonghong, China

Last updated: August 23, 2025

In September, the average temperature in Tonghong, China hovers around 20°C (69°F). Expect a range from a comfortable 12°C (54°F) to a warm 29°C (84°F). During this time, you can anticipate 149 mm (5.9 in) of precipitation spread across 23 days, accompanied by a notable average humidity of 85%.

September Temperature in Tonghong

In September in Tonghong, the average temperature is 20°C (69°F). Maximums can reach 29°C (84°F) and minimums can be as low as 12°C (54°F). This climate makes Tonghong an ideal destination for travelers seeking comfortable weather and diverse activities.

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

The chart illustrates September temperature patterns in Tonghong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonghong, September typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (84°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec525462657072717168635852
Data source: Temperature data for Tonghong 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 Tonghong

In Tonghong in September, the precipitation amount is 149 mm (5.9 in) spread over 23 days, indicating frequent but relatively light rainfall during that period.

September Precipitation Trends in Tonghong

The chart displays monthly precipitation patterns in Tonghong, 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 Tonghong, September typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec4324439579204277267149933332
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tonghong

In Tonghong in September humidity is 85%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that can make even short walks feel tiring, creating a heavy atmosphere that may deter longer excursions but offers an opportunity to explore shaded areas and savor refreshing drinks.

September Average Humidity in Tonghong

This chart illustrates the average monthly humidity levels in Tonghong, 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 Tonghong is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%69%54%54%69%85%89%90%85%80%83%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tonghong

In Tonghong 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 Tonghong.

Maximum UV Index Levels in Tonghong for September

The chart shows the monthly maximum UV Index (UVI) for Tonghong 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 Tonghong typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121415141514131297
Data source: Tonghong 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 Tonghong Compares to Other Months

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

This table compares monthly weather conditions in Tonghong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)43 mm (1.7 inches)56%very high
February Weather12°C (54°F)24 mm (0.9 inches)69%very high
March Weather16°C (62°F)43 mm (1.7 inches)54%extreme
April Weather18°C (65°F)95 mm (3.8 inches)54%extreme
May Weather21°C (70°F)79 mm (3.1 inches)69%extreme
June Weather22°C (73°F)204 mm (8.0 inches)85%extreme
July Weather21°C (71°F)277 mm (10.9 inches)89%extreme
August Weather22°C (71°F)267 mm (10.5 inches)90%extreme
September Weather20°C (69°F)149 mm (5.9 inches)85%extreme
October Weather17°C (63°F)93 mm (3.7 inches)80%extreme
November Weather14°C (58°F)33 mm (1.3 inches)83%very high
December Weather11°C (52°F)32 mm (1.3 inches)74%high

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