September Weather in Siyabuswa, South Africa

Last updated: August 31, 2025

In Siyabuswa, South Africa, the average temperature in September is a pleasant 21°C (71°F). However, expect fluctuations with a minimum of 7°C (44°F) and a maximum soaring to 39°C (103°F). You might also want to prepare for some light rain, as the precipitation amount is around 4 mm (0.1 in) over the course of a day. Additionally, the average humidity level is a comfortable 65%, making it an inviting time to explore this beautiful destination!

September Temperature in Siyabuswa

In September in Siyabuswa, the average temperature is 21°C (71°F). Maximums can reach 39°C (103°F) and minimums can be as low as 7°C (44°F). Be sure to pack both light clothing for the heat and a warm layer for cooler evenings.

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

The chart illustrates September temperature patterns in Siyabuswa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siyabuswa, September typically has an average temperature of 21°C (71°F), with highs reaching up to 39°C (103°F) and lows dropping to around 7°C (44°F).

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

September Precipitation in Siyabuswa

In Siyabuswa in September, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

September Precipitation Trends in Siyabuswa

The chart displays monthly precipitation patterns in Siyabuswa, 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 Siyabuswa, September typically receives around 4 mm (0.1 inches) of precipitation spread over approximately 1 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 Siyabuswa

In Siyabuswa in September humidity is 65%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making outdoor activities pleasant yet requiring occasional breaks in the shade to stay comfortable while exploring.

September Average Humidity in Siyabuswa

This chart illustrates the average monthly humidity levels in Siyabuswa, 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 Siyabuswa is approximately 65%, 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 Siyabuswa

In Siyabuswa 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 Siyabuswa.

Maximum UV Index Levels in Siyabuswa for September

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

Data source: Siyabuswa 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 Siyabuswa Compares to Other Months

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

This table compares monthly weather conditions in Siyabuswa, 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 (77°F)	91 mm (3.6 inches)	70%	extreme
February Weather	25°C (77°F)	96 mm (3.8 inches)	65%	extreme
March Weather	24°C (75°F)	33 mm (1.3 inches)	64%	extreme
April Weather	21°C (70°F)	27 mm (1.1 inches)	63%	extreme
May Weather	18°C (64°F)	19 mm (0.7 inches)	64%	very high
June Weather	14°C (58°F)	2 mm (0.1 inches)	61%	high
July Weather	14°C (58°F)	1 mm (0.0 inches)	64%	high
August Weather	18°C (65°F)	2 mm (0.1 inches)	61%	very high
September Weather	21°C (71°F)	4 mm (0.1 inches)	65%	extreme
October Weather	23°C (73°F)	50 mm (2.0 inches)	61%	extreme
November Weather	24°C (75°F)	76 mm (3.0 inches)	68%	extreme
December Weather	25°C (77°F)	103 mm (4.1 inches)	72%	extreme