September Weather in Sihe, China

Last updated: August 23, 2025

In September, the average temperature in Sihe, China is a pleasant 15°C (60°F). However, temperatures can vary, with a minimum of 2°C (35°F) and a maximum of 29°C (85°F). Expect approximately 97 mm (3.8 in) of precipitation over 9 days, contributing to an average humidity of 82%.

September Temperature in Sihe

In September in Sihe, the average temperature is 15°C (60°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as 2°C (35°F). Be prepared for a range of temperatures to ensure a comfortable and enjoyable trip!

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

The chart illustrates September temperature patterns in Sihe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihe, September typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (35°F).

Data source: Temperature data for Sihe generated using information from the Copernicus Climate Change Service.

September Precipitation in Sihe

In Sihe in September, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 days.

September Precipitation Trends in Sihe

The chart displays monthly precipitation patterns in Sihe, 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 Sihe, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Sihe

In Sihe in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Sihe

This chart illustrates the average monthly humidity levels in Sihe, 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 Sihe is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sihe

In Sihe in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sihe, you can refer to this Hourly UV Index in Sihe.

Maximum UV Index Levels in Sihe for September

The chart shows the monthly maximum UV Index (UVI) for Sihe 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 Sihe typically reaches 6, which falls under the high exposure category.

Data source: Sihe 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 Sihe Compares to Other Months

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

This table compares monthly weather conditions in Sihe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (-1°F)	3 mm (0.1 inches)	70%	low
February Weather	-14°C (7°F)	5 mm (0.2 inches)	60%	moderate
March Weather	-2°C (29°F)	8 mm (0.3 inches)	60%	moderate
April Weather	7°C (45°F)	28 mm (1.1 inches)	57%	high
May Weather	15°C (59°F)	40 mm (1.6 inches)	58%	high
June Weather	20°C (68°F)	105 mm (4.1 inches)	76%	very high
July Weather	24°C (76°F)	139 mm (5.5 inches)	84%	very high
August Weather	21°C (70°F)	149 mm (5.9 inches)	85%	very high
September Weather	15°C (60°F)	97 mm (3.8 inches)	82%	high
October Weather	6°C (43°F)	19 mm (0.8 inches)	77%	moderate
November Weather	-5°C (22°F)	14 mm (0.5 inches)	61%	low
December Weather	-16°C (3°F)	5 mm (0.2 inches)	62%	low