nomadseason

September Weather in Sili, China

Last updated: August 22, 2025

In Sili, China, the average temperature in September is a warm 28°C (82°F), with a minimum of 16°C (61°F) and a sizzling maximum of 39°C (102°F). Expect about 83 mm (3.3 in) of precipitation over 10 days, and a comfortable average humidity of 73%. Prepare for a mix of sunny days and refreshing rain!

September Temperature in Sili

In September in Sili, the average temperature is 28°C (82°F), with maximums reaching 39°C (102°F) and minimums dropping to as low as 16°C (61°F). This makes it an ideal month for travelers seeking warm weather while enjoying cooler evenings.

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

The chart illustrates September temperature patterns in Sili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sili, September typically has an average temperature of 28°C (82°F), with highs reaching up to 39°C (102°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959667580868782706049
Data source: Temperature data for Sili generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sili

In Sili in September, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

September Precipitation Trends in Sili

The chart displays monthly precipitation patterns in Sili, 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 Sili, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7710422721629645332812183488761
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sili

In Sili in September humidity is 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

September Average Humidity in Sili

This chart illustrates the average monthly humidity levels in Sili, 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 Sili is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sili

In Sili 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 Sili.

Maximum UV Index Levels in Sili for September

The chart shows the monthly maximum UV Index (UVI) for Sili 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 Sili typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121210875
Data source: Sili 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 Sili Compares to Other Months

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

This table compares monthly weather conditions in Sili, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)77 mm (3.0 inches)69%high
February Weather10°C (50°F)104 mm (4.1 inches)73%high
March Weather15°C (59°F)227 mm (8.9 inches)82%very high
April Weather19°C (67°F)216 mm (8.5 inches)86%very high
May Weather24°C (75°F)296 mm (11.7 inches)86%extreme
June Weather27°C (80°F)453 mm (17.8 inches)86%extreme
July Weather30°C (86°F)328 mm (12.9 inches)90%extreme
August Weather31°C (87°F)121 mm (4.8 inches)86%extreme
September Weather28°C (82°F)83 mm (3.3 inches)73%very high
October Weather21°C (71°F)48 mm (1.9 inches)73%very high
November Weather16°C (60°F)87 mm (3.4 inches)80%high
December Weather10°C (50°F)61 mm (2.4 inches)79%moderate

Compare Sili's Climate with Cities Worldwide