September Weather in Virginia, South Africa

Last updated: August 31, 2025

In September, the average temperature in Virginia, South Africa hovers around 17°C (64°F), making it a pleasant time to explore. Expect a minimum of -2°C (28°F) and a maximum of 34°C (93°F), so pack accordingly! Rainfall is relatively light, with only 9 mm (0.4 in) expected over 2 days, and the average humidity sits at a comfortable 63%.

September Temperature in Virginia

In September in Virginia, the average temperature is 17°C (64°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -2°C (28°F). This range makes Virginia a versatile destination, offering both warm days and cooler nights for travelers to enjoy.

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

The chart illustrates September temperature patterns in Virginia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Virginia, September typically has an average temperature of 17°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).

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

September Precipitation in Virginia

In Virginia in September, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

September Precipitation Trends in Virginia

The chart displays monthly precipitation patterns in Virginia, 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 Virginia, September typically receives around 9 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 Virginia

In Virginia in September humidity is 63%. With an average temperature of 17°C (64°F), this humidity feels like a warm embrace, making travel feel comfortable yet slightly sticky, perfect for leisurely explorations but best enjoyed with plenty of water and occasional breaks in the shade.

September Average Humidity in Virginia

This chart illustrates the average monthly humidity levels in Virginia, 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 Virginia is approximately 63%, 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 Virginia

In Virginia 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 Virginia.

Maximum UV Index Levels in Virginia for September

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

Data source: Virginia 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 Virginia Compares to Other Months

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

This table compares monthly weather conditions in Virginia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	88 mm (3.4 inches)	75%	extreme
February Weather	22°C (72°F)	130 mm (5.1 inches)	74%	extreme
March Weather	21°C (69°F)	63 mm (2.5 inches)	79%	extreme
April Weather	17°C (63°F)	72 mm (2.8 inches)	83%	very high
May Weather	13°C (56°F)	9 mm (0.3 inches)	84%	high
June Weather	10°C (50°F)	7 mm (0.3 inches)	79%	moderate
July Weather	10°C (50°F)	2 mm (0.1 inches)	69%	high
August Weather	13°C (55°F)	14 mm (0.6 inches)	60%	very high
September Weather	17°C (64°F)	9 mm (0.4 inches)	63%	extreme
October Weather	20°C (68°F)	37 mm (1.5 inches)	61%	extreme
November Weather	22°C (71°F)	56 mm (2.2 inches)	67%	extreme
December Weather	23°C (73°F)	100 mm (3.9 inches)	75%	extreme