September Weather in Dayou, China

Last updated: August 22, 2025

In Dayou, China, the average temperature in September hovers around 20°C (69°F). Expect a refreshing minimum of 13°C (55°F) and a warm maximum of 31°C (88°F). However, be prepared for 202 mm (8.0 in) of precipitation spread over 19 days, contributing to an average humidity level of 84%. Stay comfortable and plan accordingly for a mix of sun and rain!

September Temperature in Dayou

In September in Dayou, the average temperature is 20°C (69°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 13°C (55°F). This pleasant climate makes Dayou an ideal destination for travelers seeking a comfortable getaway.

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 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec394252596571767768595041
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 202 mm (8.0 in) spread over 19 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 202 mm (8.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec57661381362262301981712031558447
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 84%. With an average temperature of 20°C (69°F), this humidity feels like walking through a warm, moist blanket, making travel feel heavy and slightly fatigued as the heat clings to your skin and leaves you yearning for a refreshing breeze.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679121212131210975
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 Weather4°C (39°F)57 mm (2.3 inches)72%high
February Weather6°C (43°F)66 mm (2.6 inches)76%high
March Weather11°C (52°F)138 mm (5.4 inches)80%very high
April Weather15°C (59°F)135 mm (5.3 inches)77%extreme
May Weather18°C (65°F)226 mm (8.9 inches)82%extreme
June Weather21°C (71°F)230 mm (9.1 inches)85%extreme
July Weather24°C (76°F)197 mm (7.8 inches)85%extreme
August Weather25°C (77°F)171 mm (6.7 inches)87%extreme
September Weather20°C (69°F)202 mm (8.0 inches)84%very high
October Weather15°C (59°F)155 mm (6.1 inches)81%very high
November Weather10°C (50°F)84 mm (3.3 inches)86%high
December Weather5°C (41°F)46 mm (1.8 inches)81%moderate

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