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September Weather in Dayou, China

Last updated: August 22, 2025

In Dayou, China, the average temperature in September hovers around 27°C (81°F). Expect a range from a cool 15°C (60°F) to a sweltering 38°C (100°F). During this period, you'll encounter about 70 mm (2.8 in) of precipitation spread over 11 days, with an average humidity of 62%. Stay prepared for a mix of warmth and occasional rain!

September Temperature in Dayou

In September in Dayou, the average temperature is 27°C (81°F). Maximums can reach 38°C (100°F) and minimums can be as low as 15°C (60°F). It's a great time to visit for warm weather lovers, but be prepared for both heat and cooler evenings.

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

The chart illustrates September temperature patterns in Dayou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayou, September typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec495261677580848481706151
Data source: Temperature data for Dayou 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 Dayou

In Dayou in September, the precipitation amount is 70 mm (2.8 in) distributed over 11 days.

September Precipitation Trends in Dayou

The chart displays monthly precipitation patterns in Dayou, 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 Dayou, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec47861621532082938911570386837
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dayou

In Dayou in September humidity is 62%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, soft blanket, making travel feel both cozy and slightly sluggish as you navigate through the warmth.

September Average Humidity in Dayou

This chart illustrates the average monthly humidity levels in Dayou, 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 Dayou is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dayou

In Dayou in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dayou.

Maximum UV Index Levels in Dayou for September

The chart shows the monthly maximum UV Index (UVI) for Dayou 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 Dayou typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6911111313131311986
Data source: Dayou 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 Dayou Compares to Other Months

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

This table compares monthly weather conditions in Dayou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)47 mm (1.8 inches)64%high
February Weather11°C (52°F)85 mm (3.4 inches)69%very high
March Weather16°C (61°F)162 mm (6.4 inches)79%extreme
April Weather19°C (67°F)153 mm (6.0 inches)81%extreme
May Weather24°C (75°F)208 mm (8.2 inches)86%extreme
June Weather27°C (80°F)293 mm (11.5 inches)83%extreme
July Weather29°C (85°F)89 mm (3.5 inches)89%extreme
August Weather29°C (84°F)114 mm (4.5 inches)84%extreme
September Weather27°C (81°F)70 mm (2.8 inches)62%extreme
October Weather21°C (71°F)38 mm (1.5 inches)64%very high
November Weather16°C (61°F)68 mm (2.7 inches)72%very high
December Weather11°C (51°F)37 mm (1.4 inches)76%high

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