September Weather in Bellville, United States

Last updated: June 24, 2025

In September, the average temperature in Bellville, United States is a warm 27°C (81°F), with a range that can dip to a brisk 12°C (54°F) or soar to a scorching 38°C (101°F). Visitors should be prepared for some rain, as the area receives about 126 mm (5.0 in) of precipitation over 13 days. With an average humidity of 73%, you can expect a pleasantly tropical atmosphere during your stay.

September Temperature in Bellville

In September, in Bellville, the average temperature is 27°C (81°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 12°C (54°F). This makes it an ideal time for travelers seeking warm weather while also enjoying a pleasant range of temperatures for outdoor activities.

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

The chart illustrates September temperature patterns in Bellville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellville, September typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Bellville

In Bellville in September, the precipitation amount is 126 mm (5.0 in) over the course of 13 days.

September Precipitation Trends in Bellville

The chart displays monthly precipitation patterns in Bellville, 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 Bellville, September typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 13 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 Bellville

In Bellville in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in Bellville

This chart illustrates the average monthly humidity levels in Bellville, 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 Bellville is approximately 73%, 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 Bellville

In Bellville in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Bellville.

Maximum UV Index Levels in Bellville for September

The chart shows the monthly maximum UV Index (UVI) for Bellville 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 Bellville typically reaches 11, which falls under the extreme exposure category.

Data source: Bellville 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 Bellville Compares to Other Months

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

This table compares monthly weather conditions in Bellville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	74 mm (2.9 inches)	78%	moderate
February Weather	13°C (56°F)	87 mm (3.4 inches)	81%	very high
March Weather	18°C (65°F)	67 mm (2.7 inches)	76%	very high
April Weather	21°C (70°F)	83 mm (3.3 inches)	79%	very high
May Weather	25°C (78°F)	176 mm (6.9 inches)	79%	extreme
June Weather	28°C (82°F)	135 mm (5.3 inches)	74%	extreme
July Weather	29°C (85°F)	101 mm (4.0 inches)	71%	extreme
August Weather	30°C (85°F)	145 mm (5.7 inches)	68%	extreme
September Weather	27°C (81°F)	126 mm (5.0 inches)	73%	extreme
October Weather	22°C (72°F)	92 mm (3.6 inches)	75%	very high
November Weather	16°C (62°F)	75 mm (3.0 inches)	78%	high
December Weather	14°C (57°F)	101 mm (4.0 inches)	84%	moderate