September Weather in Secunda, South Africa

Last updated: August 31, 2025

In September, the average temperature in Secunda, South Africa is a pleasant 17°C (64°F), with the mercury fluctuating between a chilly 0°C (32°F) and a sweltering 33°C (91°F). During this time, expect about 17 mm (0.7 in) of precipitation over 4 days, contributing to the region's average humidity of 74%. Prepare for a month of varied weather!

September Temperature in Secunda

In September in Secunda, the average temperature is 17°C (64°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 0°C (32°F). Therefore, travelers should be prepared for a wide range of weather conditions and pack accordingly.

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

The chart illustrates September temperature patterns in Secunda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Secunda, September typically has an average temperature of 17°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).

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

September Precipitation in Secunda

In Secunda in September, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

September Precipitation Trends in Secunda

The chart displays monthly precipitation patterns in Secunda, 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 Secunda, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 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 Secunda

In Secunda in September, humidity is 74%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities somewhat uncomfortable, especially for travelers who enjoy exploring. It's advisable to stay hydrated and take frequent breaks in the shade to fully enjoy your adventures.

September Average Humidity in Secunda

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

In Secunda 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 Secunda.

Maximum UV Index Levels in Secunda for September

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

Data source: Secunda 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 Secunda Compares to Other Months

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

This table compares monthly weather conditions in Secunda, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	117 mm (4.6 inches)	79%	extreme
February Weather	20°C (68°F)	123 mm (4.8 inches)	77%	extreme
March Weather	19°C (66°F)	61 mm (2.4 inches)	77%	extreme
April Weather	16°C (61°F)	59 mm (2.3 inches)	81%	extreme
May Weather	13°C (56°F)	16 mm (0.6 inches)	82%	very high
June Weather	10°C (51°F)	6 mm (0.2 inches)	73%	high
July Weather	10°C (51°F)	1 mm (0.0 inches)	71%	high
August Weather	14°C (57°F)	4 mm (0.1 inches)	68%	very high
September Weather	17°C (64°F)	17 mm (0.7 inches)	74%	extreme
October Weather	18°C (65°F)	68 mm (2.7 inches)	74%	extreme
November Weather	19°C (67°F)	113 mm (4.4 inches)	82%	extreme
December Weather	20°C (68°F)	160 mm (6.3 inches)	81%	extreme