September Weather in Kathu, South Africa

Last updated: August 31, 2025

In September, the average temperature in Kathu, South Africa is a comfortable 18°C (65°F). However, be prepared for fluctuations, as temperatures can dip as low as -2°C (28°F) or soar up to 35°C (96°F). With just a light 3 mm (0.1 in) of precipitation over 0 days, and an average humidity of 40%, it's an ideal time to enjoy the outdoors!

September Temperature in Kathu

In September in Kathu, the average temperature is 18°C (65°F). Maximums can reach 35°C (96°F), while minimums can drop to as low as -2°C (28°F). It's essential to pack layers and be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Kathu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kathu, September typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around -2°C (28°F).

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

September Precipitation in Kathu

In Kathu in September, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

September Precipitation Trends in Kathu

The chart displays monthly precipitation patterns in Kathu, 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 Kathu, September typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Kathu

In Kathu in September humidity is 40%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing breeze, making it ideal for exploring the streets and attractions without feeling overheated.

September Average Humidity in Kathu

This chart illustrates the average monthly humidity levels in Kathu, 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 Kathu is approximately 40%, 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 Kathu

In Kathu 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 Kathu.

Maximum UV Index Levels in Kathu for September

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

Data source: Kathu 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 Kathu Compares to Other Months

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

This table compares monthly weather conditions in Kathu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	78 mm (3.1 inches)	64%	extreme
February Weather	24°C (76°F)	84 mm (3.3 inches)	61%	extreme
March Weather	22°C (73°F)	35 mm (1.4 inches)	70%	extreme
April Weather	19°C (66°F)	49 mm (1.9 inches)	72%	very high
May Weather	15°C (59°F)	2 mm (0.1 inches)	70%	high
June Weather	11°C (53°F)	1 mm (0.1 inches)	60%	moderate
July Weather	11°C (52°F)	2 mm (0.1 inches)	53%	high
August Weather	13°C (56°F)	2 mm (0.1 inches)	43%	very high
September Weather	18°C (65°F)	3 mm (0.1 inches)	40%	extreme
October Weather	21°C (70°F)	23 mm (0.9 inches)	35%	extreme
November Weather	24°C (75°F)	26 mm (1.0 inches)	41%	extreme
December Weather	25°C (77°F)	64 mm (2.5 inches)	54%	extreme