September Weather in Changhua, China

Last updated: August 22, 2025

In September, the average temperature in Changhua, China hovers around 29°C (84°F), making it an inviting destination. However, be prepared for variations, as temperatures can drop to a minimum of 24°C (76°F) and soar to a maximum of 35°C (96°F). The region experiences approximately 121 mm (4.7 in) of precipitation spread over 18 days, contributing to an average humidity of a sweat-inducing 82%. Whether you're exploring or relaxing, this climate promises a tropical experience!

September Temperature in Changhua

In September in Changhua, the average temperature is 29°C (84°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (76°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor activities.

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

The chart illustrates September temperature patterns in Changhua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changhua, September typically has an average temperature of 29°C (84°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Changhua

In Changhua in September, the total precipitation amount reaches 121 mm (4.7 in) over a span of 18 days.

September Precipitation Trends in Changhua

The chart displays monthly precipitation patterns in Changhua, 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 Changhua, September typically receives around 121 mm (4.7 inches) of precipitation spread over approximately 18 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 Changhua

In Changhua in September humidity is 82%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making sightseeing ventures feel more exhausting and requiring frequent breaks to stay hydrated.

September Average Humidity in Changhua

This chart illustrates the average monthly humidity levels in Changhua, 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 Changhua is approximately 82%, 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 Changhua

In Changhua 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 Changhua.

Maximum UV Index Levels in Changhua for September

The chart shows the monthly maximum UV Index (UVI) for Changhua 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 Changhua typically reaches 13, which falls under the extreme exposure category.

Data source: Changhua 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 Changhua Compares to Other Months

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

This table compares monthly weather conditions in Changhua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	12 mm (0.5 inches)	70%	very high
February Weather	21°C (70°F)	14 mm (0.5 inches)	73%	extreme
March Weather	25°C (77°F)	21 mm (0.8 inches)	75%	extreme
April Weather	26°C (80°F)	60 mm (2.3 inches)	75%	extreme
May Weather	29°C (85°F)	104 mm (4.1 inches)	78%	extreme
June Weather	30°C (87°F)	105 mm (4.2 inches)	80%	extreme
July Weather	30°C (86°F)	243 mm (9.6 inches)	87%	extreme
August Weather	29°C (84°F)	257 mm (10.1 inches)	87%	extreme
September Weather	29°C (84°F)	121 mm (4.7 inches)	82%	extreme
October Weather	27°C (80°F)	149 mm (5.9 inches)	80%	extreme
November Weather	25°C (77°F)	43 mm (1.7 inches)	76%	very high
December Weather	21°C (71°F)	25 mm (1.0 inches)	75%	very high