September Weather in Stanford, South Africa

Last updated: August 31, 2025

In Stanford, South Africa, the average temperature in September hovers around 14°C (58°F), with a minimum dipping to 6°C (43°F) and a maximum soaring up to 30°C (87°F). Expect an average humidity of 76% and about 42 mm (1.6 in) of precipitation spread over 8 days.

September Temperature in Stanford

In September in Stanford, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as 6°C (43°F). It's a great time to visit if you enjoy mild weather with the possibility of warm days and cool evenings.

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

The chart illustrates September temperature patterns in Stanford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stanford, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Stanford

In Stanford in September, the precipitation amount is 42 mm (1.6 in) over a span of 8 days.

September Precipitation Trends in Stanford

The chart displays monthly precipitation patterns in Stanford, 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 Stanford, September typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 8 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 Stanford

In Stanford in September humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

September Average Humidity in Stanford

This chart illustrates the average monthly humidity levels in Stanford, 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 Stanford is approximately 76%, 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 Stanford

In Stanford 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 Stanford.

Maximum UV Index Levels in Stanford for September

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

Data source: Stanford 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 Stanford Compares to Other Months

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

This table compares monthly weather conditions in Stanford, 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 (70°F)	24 mm (1.0 inches)	77%	extreme
February Weather	21°C (70°F)	17 mm (0.7 inches)	80%	extreme
March Weather	20°C (68°F)	32 mm (1.3 inches)	81%	extreme
April Weather	17°C (64°F)	23 mm (0.9 inches)	80%	high
May Weather	16°C (60°F)	71 mm (2.8 inches)	78%	moderate
June Weather	14°C (57°F)	69 mm (2.7 inches)	79%	moderate
July Weather	13°C (56°F)	67 mm (2.7 inches)	80%	moderate
August Weather	13°C (55°F)	67 mm (2.6 inches)	77%	moderate
September Weather	14°C (58°F)	42 mm (1.6 inches)	76%	very high
October Weather	16°C (61°F)	45 mm (1.8 inches)	77%	extreme
November Weather	18°C (64°F)	41 mm (1.6 inches)	75%	extreme
December Weather	19°C (67°F)	28 mm (1.1 inches)	77%	extreme