September Weather in Boli, China

Last updated: August 22, 2025

In September, the average temperature in Boli, China hovers around 14°C (58°F). Expect a minimum chill of 0°C (31°F) and a pleasant maximum of 27°C (82°F). With 90 mm (3.5 in) of precipitation spread across 12 days, be prepared for occasional showers. On top of that, the average humidity sits at a cozy 86%, creating a comfortable yet humid atmosphere.

September Temperature in Boli

In September in Boli, the average temperature is 14°C (58°F), with maximums reaching up to 27°C (82°F) and minimums sometimes dropping as low as 0°C (31°F). This makes it an ideal time for travelers to enjoy a mix of pleasant daytime warmth and cooler evenings.

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

The chart illustrates September temperature patterns in Boli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boli, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (82°F) and lows dropping to around 0°C (31°F).

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

September Precipitation in Boli

In Boli in September, the precipitation amount is 90 mm (3.5 in) spread over 12 days.

September Precipitation Trends in Boli

The chart displays monthly precipitation patterns in Boli, 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 Boli, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Boli

In Boli in September, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Boli

This chart illustrates the average monthly humidity levels in Boli, 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 Boli is approximately 86%, 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 Boli

In Boli in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Boli.

Maximum UV Index Levels in Boli for September

The chart shows the monthly maximum UV Index (UVI) for Boli 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 Boli typically reaches 7, which falls under the high exposure category.

Data source: Boli 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 Boli Compares to Other Months

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

This table compares monthly weather conditions in Boli, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-17°C (2°F)	5 mm (0.2 inches)	87%	low
February Weather	-13°C (9°F)	10 mm (0.4 inches)	85%	moderate
March Weather	-3°C (28°F)	27 mm (1.1 inches)	75%	moderate
April Weather	6°C (44°F)	42 mm (1.6 inches)	69%	high
May Weather	13°C (57°F)	105 mm (4.1 inches)	73%	very high
June Weather	18°C (64°F)	137 mm (5.4 inches)	84%	very high
July Weather	22°C (73°F)	160 mm (6.3 inches)	87%	very high
August Weather	20°C (68°F)	228 mm (9.0 inches)	88%	very high
September Weather	14°C (58°F)	90 mm (3.5 inches)	86%	high
October Weather	6°C (43°F)	30 mm (1.2 inches)	84%	moderate
November Weather	-5°C (24°F)	37 mm (1.5 inches)	66%	low
December Weather	-15°C (5°F)	9 mm (0.4 inches)	70%	low