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September Weather in Hannan, China

Last updated: August 22, 2025

In September, the average temperature in Hannan, China is a pleasant 25°C (78°F). You can expect a minimum temperature of 17°C (63°F) and a maximum of 38°C (101°F) during this time. With an average precipitation of 92 mm (3.6 in) spread over about 10 days, and an average humidity of 68%, it's a well-rounded month for enjoying the weather!

September Temperature in Hannan

In September in Hannan, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), and minimums can be as low as 17°C (63°F). This climate makes Hannan an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Hannan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hannan, September typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec414656647380848578655745
Data source: Temperature data for Hannan 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 Hannan

In Hannan in September, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.

September Precipitation Trends in Hannan

The chart displays monthly precipitation patterns in Hannan, 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 Hannan, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec536812614820323124014292594630
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hannan

In Hannan in September, humidity is 68%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel a bit more intense and sticky, but still manageable for traveling if you stay hydrated and take breaks in the shade.

September Average Humidity in Hannan

This chart illustrates the average monthly humidity levels in Hannan, 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 Hannan is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%75%84%85%83%83%87%83%68%72%83%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hannan

In Hannan 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 Hannan.

Maximum UV Index Levels in Hannan for September

The chart shows the monthly maximum UV Index (UVI) for Hannan 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 Hannan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121210864
Data source: Hannan 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 Hannan Compares to Other Months

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

This table compares monthly weather conditions in Hannan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)53 mm (2.1 inches)71%moderate
February Weather8°C (46°F)67 mm (2.7 inches)75%high
March Weather13°C (56°F)126 mm (4.9 inches)84%very high
April Weather18°C (65°F)148 mm (5.8 inches)85%very high
May Weather23°C (73°F)203 mm (8.0 inches)82%very high
June Weather26°C (80°F)230 mm (9.1 inches)83%extreme
July Weather29°C (85°F)240 mm (9.4 inches)87%extreme
August Weather30°C (86°F)142 mm (5.6 inches)83%extreme
September Weather25°C (78°F)92 mm (3.6 inches)68%very high
October Weather18°C (65°F)59 mm (2.3 inches)72%very high
November Weather14°C (57°F)46 mm (1.8 inches)83%high
December Weather7°C (45°F)30 mm (1.2 inches)79%moderate

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