September Weather in De Rust, South Africa

Last updated: August 31, 2025

In September, the average temperature in De Rust, South Africa hovers around 14°C (58°F). While you might enjoy pleasant days, be prepared for temperature fluctuations, as it can dip to a chilly -1°C (31°F) or soar to a sizzling 35°C (95°F). Expect around 31 mm (1.2 in) of precipitation spread over 5 days, and a notable average humidity of 74% to keep the air feeling crisp.

September Temperature in De Rust

In September in De Rust, the average temperature is 14°C (58°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures, ensuring you pack both warm and cool clothing for your travels.

September Weather in De Rust: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in De Rust, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Rust, September typically has an average temperature of 14°C (58°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in De Rust

In De Rust in September, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

September Precipitation Trends in De Rust

The chart displays monthly precipitation patterns in De Rust, 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 De Rust, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in De Rust

In De Rust in September humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

September Average Humidity in De Rust

This chart illustrates the average monthly humidity levels in De Rust, 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 De Rust is approximately 74%, 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 De Rust

In De Rust in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in De Rust.

Maximum UV Index Levels in De Rust for September

The chart shows the monthly maximum UV Index (UVI) for De Rust 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 De Rust typically reaches 9, which falls under the very high exposure category.

Data source: De Rust 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 De Rust Compares to Other Months

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

This table compares monthly weather conditions in De Rust, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	30 mm (1.2 inches)	68%	extreme
February Weather	22°C (72°F)	29 mm (1.2 inches)	66%	extreme
March Weather	21°C (69°F)	32 mm (1.3 inches)	76%	extreme
April Weather	17°C (64°F)	21 mm (0.8 inches)	79%	very high
May Weather	15°C (59°F)	19 mm (0.8 inches)	82%	moderate
June Weather	12°C (55°F)	12 mm (0.5 inches)	82%	moderate
July Weather	11°C (53°F)	22 mm (0.9 inches)	80%	moderate
August Weather	11°C (52°F)	27 mm (1.1 inches)	74%	high
September Weather	14°C (58°F)	31 mm (1.2 inches)	74%	very high
October Weather	17°C (63°F)	39 mm (1.5 inches)	72%	extreme
November Weather	18°C (65°F)	41 mm (1.6 inches)	63%	extreme
December Weather	20°C (69°F)	35 mm (1.4 inches)	63%	extreme