September Weather in Tianwan, China

Last updated: August 23, 2025

In September, the average temperature in Tianwan, China hovers around 25°C (77°F), creating a pleasant climate for outdoor activities. However, be prepared for a temperature range that can dip to a minimum of 16°C (60°F) and soar to a maximum of 37°C (98°F). Expect some rain, with an average precipitation of 104 mm (4.1 in) over approximately 12 days, and enjoy the atmosphere, which boasts an average humidity of 67%.

September Temperature in Tianwan

In September in Tianwan, the average temperature is 25°C (77°F). Maximums can reach 37°C (98°F) and minimums can be as low as 16°C (60°F). It's a great time to visit if you enjoy warm weather and are prepared for possible heatwaves.

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

The chart illustrates September temperature patterns in Tianwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tianwan, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (60°F).

Data source: Temperature data for Tianwan generated using information from the Copernicus Climate Change Service.

September Precipitation in Tianwan

In Tianwan in September, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

September Precipitation Trends in Tianwan

The chart displays monthly precipitation patterns in Tianwan, 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 Tianwan, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Tianwan

In Tianwan in September, humidity is 67%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, heavy blanket, making outdoor activities feel more strenuous and sticky than usual.

September Average Humidity in Tianwan

This chart illustrates the average monthly humidity levels in Tianwan, 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 Tianwan is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tianwan

In Tianwan in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Tianwan.

Maximum UV Index Levels in Tianwan for September

The chart shows the monthly maximum UV Index (UVI) for Tianwan 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 Tianwan typically reaches 10, which falls under the very high exposure category.

Data source: Tianwan 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 Tianwan Compares to Other Months

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

This table compares monthly weather conditions in Tianwan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	75 mm (2.9 inches)	66%	high
February Weather	8°C (46°F)	97 mm (3.8 inches)	72%	high
March Weather	13°C (56°F)	203 mm (8.0 inches)	81%	very high
April Weather	17°C (63°F)	165 mm (6.5 inches)	82%	very high
May Weather	22°C (71°F)	269 mm (10.6 inches)	86%	extreme
June Weather	25°C (78°F)	229 mm (9.0 inches)	86%	extreme
July Weather	28°C (84°F)	183 mm (7.2 inches)	89%	extreme
August Weather	29°C (84°F)	118 mm (4.7 inches)	87%	extreme
September Weather	25°C (77°F)	104 mm (4.1 inches)	67%	very high
October Weather	18°C (65°F)	89 mm (3.5 inches)	67%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	75%	high
December Weather	8°C (46°F)	55 mm (2.2 inches)	75%	moderate