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September Weather in Niu, China

Last updated: August 22, 2025

In Niu, China, the average temperature in September hovers around 12°C (54°F), with a minimum dipping to -3°C (27°F) and a maximum reaching 22°C (72°F). Be prepared for some rain, as the area sees about 106 mm (4.2 in) of precipitation over 21 days. Don't forget your umbrella—average humidity is a whopping 90%!

September Temperature in Niu

In September in Niu the average temperature is 12°C (54°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -3°C (27°F). Be prepared for a mix of mild days and chilly nights during your travels.

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

The chart illustrates September temperature patterns in Niu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niu, September typically has an average temperature of 12°C (54°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec212532404756565654463426
Data source: Temperature data for Niu 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 Niu

In Niu in September, the precipitation amount is 106 mm (4.2 in) during a span of 21 days.

September Precipitation Trends in Niu

The chart displays monthly precipitation patterns in Niu, 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 Niu, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec913294778100202181106411615
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Niu

In Niu in September, humidity is 90%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and traveling a bit more draining than usual.

September Average Humidity in Niu

This chart illustrates the average monthly humidity levels in Niu, 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 Niu is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec61%64%55%49%63%79%91%90%90%81%67%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Niu

In Niu in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Niu.

Maximum UV Index Levels in Niu for September

The chart shows the monthly maximum UV Index (UVI) for Niu 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 Niu typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8111415171716161512117
Data source: Niu 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 Niu Compares to Other Months

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

This table compares monthly weather conditions in Niu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)9 mm (0.4 inches)61%very high
February Weather-4°C (25°F)13 mm (0.5 inches)64%extreme
March Weather0°C (32°F)29 mm (1.1 inches)55%extreme
April Weather4°C (40°F)47 mm (1.8 inches)48%extreme
May Weather9°C (48°F)78 mm (3.1 inches)63%extreme
June Weather13°C (56°F)100 mm (4.0 inches)79%extreme
July Weather14°C (57°F)202 mm (7.9 inches)91%extreme
August Weather14°C (57°F)181 mm (7.1 inches)90%extreme
September Weather12°C (54°F)106 mm (4.2 inches)90%extreme
October Weather8°C (46°F)41 mm (1.6 inches)81%extreme
November Weather1°C (35°F)16 mm (0.6 inches)67%extreme
December Weather-3°C (26°F)15 mm (0.6 inches)61%high

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