September Weather in Zastron, South Africa

Last updated: August 31, 2025

In September, the average temperature in Zastron, South Africa hovers around 15°C (60°F). However, temperatures can fluctuate, with a minimum of -5°C (23°F) and a scorching maximum of 33°C (91°F). Expect 10 mm (0.4 in) of precipitation spread over just 2 days, and enjoy an average humidity of 71%.

September Temperature in Zastron

In September in Zastron, the average temperature is 15°C (60°F), with maximums reaching 33°C (91°F) and minimums plummeting to -5°C (23°F).

Pack for a range of weather conditions to fully enjoy your travel experience!

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

The chart illustrates September temperature patterns in Zastron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zastron, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Zastron

In Zastron in September, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

September Precipitation Trends in Zastron

The chart displays monthly precipitation patterns in Zastron, 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 Zastron, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 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 Zastron

In Zastron in September humidity is 71%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable as you feel sticky and sluggish.

September Average Humidity in Zastron

This chart illustrates the average monthly humidity levels in Zastron, 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 Zastron is approximately 71%, 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 Zastron

In Zastron 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 Zastron.

Maximum UV Index Levels in Zastron for September

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

Data source: Zastron 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 Zastron Compares to Other Months

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

This table compares monthly weather conditions in Zastron, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	132 mm (5.2 inches)	83%	extreme
February Weather	20°C (68°F)	194 mm (7.6 inches)	83%	extreme
March Weather	18°C (65°F)	114 mm (4.5 inches)	86%	extreme
April Weather	15°C (59°F)	114 mm (4.5 inches)	88%	very high
May Weather	11°C (52°F)	25 mm (1.0 inches)	87%	high
June Weather	8°C (47°F)	5 mm (0.2 inches)	83%	moderate
July Weather	8°C (46°F)	6 mm (0.2 inches)	74%	moderate
August Weather	10°C (51°F)	14 mm (0.5 inches)	63%	very high
September Weather	15°C (60°F)	10 mm (0.4 inches)	71%	extreme
October Weather	17°C (63°F)	56 mm (2.2 inches)	72%	extreme
November Weather	19°C (67°F)	73 mm (2.9 inches)	78%	extreme
December Weather	21°C (70°F)	140 mm (5.5 inches)	83%	extreme