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September Weather in Guantangyi, China

Last updated: August 22, 2025

In September, the average temperature in Guantangyi, China hovers around 25°C (78°F). Expect a cozy minimum of 17°C (62°F), while the mercury can rise to a sizzling 38°C (100°F). Throughout the month, anticipate 112 mm (4.4 in) of precipitation spread over 11 days, contributing to an average humidity of 66%.

September Temperature in Guantangyi

In September in Guantangyi, the average temperature is 25°C (78°F). Maximums can reach 38°C (100°F), and minimums can be as low as 17°C (62°F). This pleasant range makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Guantangyi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guantangyi, September typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec424656647379848577655645
Data source: Temperature data for Guantangyi 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 Guantangyi

In Guantangyi in September, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.

September Precipitation Trends in Guantangyi

The chart displays monthly precipitation patterns in Guantangyi, 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 Guantangyi, September typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6283154157199226226160112565238
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Guantangyi

In Guantangyi in September, humidity is 66%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel more draining, yet still enjoyable for short adventures.

September Average Humidity in Guantangyi

This chart illustrates the average monthly humidity levels in Guantangyi, 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 Guantangyi is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Guantangyi

In Guantangyi 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 Guantangyi.

Maximum UV Index Levels in Guantangyi for September

The chart shows the monthly maximum UV Index (UVI) for Guantangyi 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 Guantangyi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec678101111121210975
Data source: Guantangyi 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 Guantangyi Compares to Other Months

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

This table compares monthly weather conditions in Guantangyi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)62 mm (2.4 inches)69%high
February Weather8°C (46°F)83 mm (3.3 inches)71%high
March Weather13°C (56°F)154 mm (6.1 inches)83%very high
April Weather18°C (64°F)157 mm (6.2 inches)86%very high
May Weather23°C (73°F)199 mm (7.9 inches)85%extreme
June Weather26°C (79°F)226 mm (8.9 inches)85%extreme
July Weather29°C (85°F)226 mm (8.9 inches)89%extreme
August Weather29°C (85°F)160 mm (6.3 inches)85%extreme
September Weather25°C (78°F)112 mm (4.4 inches)66%very high
October Weather18°C (65°F)56 mm (2.2 inches)68%very high
November Weather13°C (56°F)52 mm (2.0 inches)77%high
December Weather7°C (45°F)38 mm (1.5 inches)78%moderate

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