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September Weather in Viljoenskroon, South Africa

Last updated: August 31, 2025

In Viljoenskroon, South Africa, the average temperature in September hovers around 18°C (65°F). However, be prepared for fluctuations, as temperatures can dip as low as -2°C (29°F) or soar to a sizzling 34°C (93°F). Expect a bit of rain, with precipitation totaling 8 mm (0.3 in) over 2 days. The average humidity is a comfortable 56%, making it an intriguing time to explore the area's charm!

September Temperature in Viljoenskroon

In September in Viljoenskroon, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 34°C (93°F), while minimums can drop as low as -2°C (29°F). It's essential to pack layered clothing to accommodate the wide range of temperatures during your travels.

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

The chart illustrates September temperature patterns in Viljoenskroon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viljoenskroon, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec737270635751505765697273
Data source: Temperature data for Viljoenskroon 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 Viljoenskroon

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

September Precipitation Trends in Viljoenskroon

The chart displays monthly precipitation patterns in Viljoenskroon, 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 Viljoenskroon, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec891145663792884471126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Viljoenskroon

In Viljoenskroon 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 Viljoenskroon

This chart illustrates the average monthly humidity levels in Viljoenskroon, 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 Viljoenskroon 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 Viljoenskroon

In Viljoenskroon 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 Viljoenskroon.

Maximum UV Index Levels in Viljoenskroon for September

The chart shows the monthly maximum UV Index (UVI) for Viljoenskroon 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 Viljoenskroon typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311756811131416
Data source: Viljoenskroon 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 Viljoenskroon Compares to Other Months

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

This table compares monthly weather conditions in Viljoenskroon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)89 mm (3.5 inches)71%extreme
February Weather22°C (72°F)114 mm (4.5 inches)70%extreme
March Weather21°C (70°F)56 mm (2.2 inches)74%extreme
April Weather17°C (64°F)63 mm (2.5 inches)75%extreme
May Weather14°C (57°F)7 mm (0.3 inches)70%high
June Weather11°C (51°F)9 mm (0.4 inches)65%moderate
July Weather10°C (50°F)2 mm (0.1 inches)59%high
August Weather14°C (57°F)8 mm (0.3 inches)56%very high
September Weather18°C (65°F)8 mm (0.3 inches)56%extreme
October Weather21°C (69°F)44 mm (1.7 inches)54%extreme
November Weather22°C (72°F)71 mm (2.8 inches)59%extreme
December Weather23°C (73°F)126 mm (5.0 inches)67%extreme

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