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September Weather in Ventersdorp, South Africa

Last updated: August 31, 2025

In September, the average temperature in Ventersdorp, South Africa is a pleasant 18°C (65°F). However, be prepared for a range, as temperatures can dip to a chilly -1°C (31°F) or soar to a sweltering 33°C (92°F). With an average humidity of 56%, it’s a comfortable climate, though you might encounter precipitation of about 6 mm (0.3 in) over just 1 day. Make sure to pack accordingly!

September Temperature in Ventersdorp

In September in Ventersdorp, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (31°F). This variation makes Ventersdorp an intriguing travel destination, offering both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Ventersdorp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ventersdorp, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec727068635752515865687171
Data source: Temperature data for Ventersdorp generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ventersdorp

In Ventersdorp in September, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Ventersdorp

The chart displays monthly precipitation patterns in Ventersdorp, 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 Ventersdorp, September typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221325053753264076123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ventersdorp

In Ventersdorp in September humidity is 56%. With an average temperature of 18°C (65°F), this humidity feels like a pleasant embrace, making traveling enjoyable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Ventersdorp

This chart illustrates the average monthly humidity levels in Ventersdorp, 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 Ventersdorp is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%74%75%70%65%59%56%56%54%59%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ventersdorp

In Ventersdorp 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 Ventersdorp.

Maximum UV Index Levels in Ventersdorp for September

The chart shows the monthly maximum UV Index (UVI) for Ventersdorp 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 Ventersdorp typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161311766811131516
Data source: Ventersdorp 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 Ventersdorp Compares to Other Months

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

This table compares monthly weather conditions in Ventersdorp, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)122 mm (4.8 inches)71%extreme
February Weather21°C (70°F)132 mm (5.2 inches)70%extreme
March Weather20°C (68°F)50 mm (2.0 inches)74%extreme
April Weather17°C (63°F)53 mm (2.1 inches)75%extreme
May Weather14°C (57°F)7 mm (0.3 inches)70%high
June Weather11°C (52°F)5 mm (0.2 inches)65%high
July Weather11°C (51°F)3 mm (0.1 inches)59%high
August Weather14°C (58°F)2 mm (0.1 inches)56%very high
September Weather18°C (65°F)6 mm (0.3 inches)56%extreme
October Weather20°C (69°F)40 mm (1.6 inches)54%extreme
November Weather22°C (71°F)76 mm (3.0 inches)59%extreme
December Weather22°C (71°F)123 mm (4.8 inches)67%extreme

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