September Weather in Mbabane, Eswatini

Last updated: August 23, 2025

In Mbabane, Eswatini, the average temperature in September hovers around 17°C (63°F). Daily temperatures can range from a cool 4°C (39°F) to a warm 35°C (95°F). During this month, expect approximately 54 mm (2.1 in) of precipitation across about 8 days, and feel the embrace of an average humidity of 85%.

September Temperature in Mbabane

In September in Mbabane, the average temperature is 17°C (63°F). Maximum temperatures can reach 35°C (95°F), while minimums can dip as low as 4°C (39°F). This varied climate makes Mbabane an ideal destination for travelers looking to experience a mix of warm days and cooler nights.

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

The chart illustrates September temperature patterns in Mbabane, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mbabane, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Mbabane

In Mbabane in September, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

September Precipitation Trends in Mbabane

The chart displays monthly precipitation patterns in Mbabane, 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 Mbabane, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Mbabane

In Mbabane in September humidity is 85%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit stifling and encouraging frequent breaks in shaded areas or air-conditioned spaces for travelers.

September Average Humidity in Mbabane

This chart illustrates the average monthly humidity levels in Mbabane, 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 Mbabane is approximately 85%, 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 Mbabane

In Mbabane in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mbabane.

Maximum UV Index Levels in Mbabane for September

The chart shows the monthly maximum UV Index (UVI) for Mbabane 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 Mbabane typically reaches 10, which falls under the very high exposure category.

Data source: Mbabane 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 Mbabane Compares to Other Months

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

This table compares monthly weather conditions in Mbabane, 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 (69°F)	226 mm (8.9 inches)	82%	extreme
February Weather	21°C (70°F)	246 mm (9.7 inches)	81%	extreme
March Weather	20°C (68°F)	164 mm (6.5 inches)	80%	extreme
April Weather	18°C (65°F)	84 mm (3.3 inches)	82%	very high
May Weather	15°C (60°F)	37 mm (1.4 inches)	86%	high
June Weather	13°C (56°F)	19 mm (0.7 inches)	78%	moderate
July Weather	13°C (56°F)	9 mm (0.4 inches)	81%	high
August Weather	15°C (60°F)	37 mm (1.5 inches)	77%	very high
September Weather	17°C (63°F)	54 mm (2.1 inches)	85%	very high
October Weather	18°C (64°F)	101 mm (4.0 inches)	85%	extreme
November Weather	19°C (66°F)	139 mm (5.5 inches)	85%	extreme
December Weather	20°C (69°F)	189 mm (7.4 inches)	84%	extreme