September Weather in Carletonville, South Africa

Last updated: August 31, 2025

In September, the average temperature in Carletonville, South Africa hovers around 18°C (64°F). Expect a range between a chilly 0°C (31°F) and a warm 33°C (91°F). With 8 mm (0.3 in) of precipitation spread over 2 days, the average humidity sits at a comfortable 56%, making it a pleasant time to experience this destination!

September Temperature in Carletonville

In September in Carletonville, the average temperature is 18°C (64°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 0°C (31°F). Be sure to pack clothing for both warm days and cooler nights when traveling during this time.

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

The chart illustrates September temperature patterns in Carletonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carletonville, September typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (31°F).

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

September Precipitation in Carletonville

In Carletonville in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

September Precipitation Trends in Carletonville

The chart displays monthly precipitation patterns in Carletonville, 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 Carletonville, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Carletonville

In Carletonville in September humidity is 56%. With an average temperature of 18°C (64°F), this humidity feels like a comfortable embrace that makes exploring the area pleasant, although it may leave you feeling slightly sticky during active pursuits.

September Average Humidity in Carletonville

This chart illustrates the average monthly humidity levels in Carletonville, 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 Carletonville is approximately 56%, 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 Carletonville

In Carletonville 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 Carletonville.

Maximum UV Index Levels in Carletonville for September

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

Data source: Carletonville 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 Carletonville Compares to Other Months

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

This table compares monthly weather conditions in Carletonville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	124 mm (4.9 inches)	71%	extreme
February Weather	20°C (69°F)	139 mm (5.5 inches)	70%	extreme
March Weather	19°C (67°F)	66 mm (2.6 inches)	74%	extreme
April Weather	17°C (62°F)	57 mm (2.2 inches)	75%	extreme
May Weather	14°C (57°F)	10 mm (0.4 inches)	70%	high
June Weather	11°C (52°F)	8 mm (0.3 inches)	65%	high
July Weather	10°C (51°F)	4 mm (0.2 inches)	59%	high
August Weather	14°C (58°F)	2 mm (0.1 inches)	56%	very high
September Weather	18°C (64°F)	8 mm (0.3 inches)	56%	extreme
October Weather	19°C (67°F)	52 mm (2.1 inches)	54%	extreme
November Weather	21°C (69°F)	101 mm (4.0 inches)	59%	extreme
December Weather	21°C (70°F)	141 mm (5.6 inches)	67%	extreme