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September Weather in Niandou, China

Last updated: August 22, 2025

In Niandou, China, the average temperature in September hovers around 25°C (77°F), with minimums dipping to 16°C (60°F) and maximums soaring to 36°C (98°F). Visitors should prepare for a fair share of rain, as 91 mm (3.6 in) of precipitation is expected over about 10 days. With an average humidity of 75%, it's a time of year that feels both warm and pleasantly tropical.

September Temperature in Niandou

In September in Niandou, the average temperature is 25°C (77°F). Maximums can reach 36°C (98°F), and minimums can be as low as 16°C (60°F). This pleasant climate makes Niandou an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Niandou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niandou, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (98°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec404454637278838477655644
Data source: Temperature data for Niandou 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 Niandou

In Niandou in September, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

September Precipitation Trends in Niandou

The chart displays monthly precipitation patterns in Niandou, 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 Niandou, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6162877514420426117991564342
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Niandou

In Niandou in September humidity is 75%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket, enveloping you and making travel somewhat taxing, as every step can feel heavier and the air thicker, often leading to a desire for shade and cool breezes.

September Average Humidity in Niandou

This chart illustrates the average monthly humidity levels in Niandou, 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 Niandou is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Niandou

In Niandou 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 Niandou.

Maximum UV Index Levels in Niandou for September

The chart shows the monthly maximum UV Index (UVI) for Niandou 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 Niandou typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111110854
Data source: Niandou 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 Niandou Compares to Other Months

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

This table compares monthly weather conditions in Niandou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)61 mm (2.4 inches)70%moderate
February Weather6°C (44°F)62 mm (2.4 inches)73%high
March Weather12°C (55°F)87 mm (3.4 inches)82%very high
April Weather17°C (63°F)75 mm (3.0 inches)86%very high
May Weather22°C (73°F)144 mm (5.7 inches)85%very high
June Weather26°C (79°F)204 mm (8.0 inches)85%extreme
July Weather29°C (84°F)261 mm (10.3 inches)90%extreme
August Weather29°C (84°F)179 mm (7.0 inches)88%extreme
September Weather25°C (77°F)91 mm (3.6 inches)75%very high
October Weather18°C (65°F)56 mm (2.2 inches)76%very high
November Weather13°C (56°F)43 mm (1.7 inches)84%moderate
December Weather6°C (44°F)42 mm (1.7 inches)77%moderate

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