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September Weather in Yidian, China

Last updated: August 22, 2025

In September, the average temperature in Yidian, China hovers around 19°C (66°F), making it a pleasant time to visit. Expect a minimum of 9°C (49°F) and a comfortable maximum reaching 31°C (89°F). While enjoying your stay, be prepared for precipitation totaling 142 mm (5.6 in) over approximately 13 days, and embrace the average humidity of 78% that adds to the atmosphere of this enchanting location.

September Temperature in Yidian

In September in Yidian, the average temperature is 19°C (66°F). Maximums can reach 31°C (89°F), while minimums can drop as low as 9°C (49°F). This diverse temperature range makes Yidian an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Yidian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yidian, September typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec323749576673767565544433
Data source: Temperature data for Yidian 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 Yidian

In Yidian in September, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

September Precipitation Trends in Yidian

The chart displays monthly precipitation patterns in Yidian, 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 Yidian, September typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec111829446197111129142101209
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yidian

In Yidian in September, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

September Average Humidity in Yidian

This chart illustrates the average monthly humidity levels in Yidian, 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 Yidian is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%80%83%81%68%74%76%72%78%85%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yidian

In Yidian 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 Yidian.

Maximum UV Index Levels in Yidian for September

The chart shows the monthly maximum UV Index (UVI) for Yidian 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 Yidian typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45791111111110853
Data source: Yidian 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 Yidian Compares to Other Months

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

This table compares monthly weather conditions in Yidian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)11 mm (0.4 inches)70%moderate
February Weather3°C (38°F)18 mm (0.7 inches)80%moderate
March Weather9°C (49°F)29 mm (1.1 inches)83%high
April Weather14°C (58°F)44 mm (1.7 inches)81%very high
May Weather19°C (66°F)61 mm (2.4 inches)68%extreme
June Weather23°C (73°F)97 mm (3.8 inches)74%extreme
July Weather25°C (77°F)111 mm (4.4 inches)76%extreme
August Weather24°C (75°F)129 mm (5.1 inches)72%extreme
September Weather19°C (66°F)142 mm (5.6 inches)78%very high
October Weather12°C (54°F)101 mm (4.0 inches)85%very high
November Weather7°C (44°F)20 mm (0.8 inches)82%moderate
December Weather1°C (34°F)9 mm (0.3 inches)80%moderate

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