September Weather in Siteki, Eswatini

Last updated: August 23, 2025

In September, the average temperature in Siteki, Eswatini is a pleasant 21°C (70°F). Temperatures can vary widely, with a minimum of 9°C (49°F) and a scorching maximum of 38°C (101°F). Expect some rain, as the precipitation amount reaches 20 mm (0.8 in) over the course of 4 days, accompanied by a high average humidity of 85%.

September Temperature in Siteki

In September in Siteki, the average temperature is 21°C (70°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 9°C (49°F). This makes it essential for travelers to pack accordingly for both warm afternoons and cooler evenings.

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

The chart illustrates September temperature patterns in Siteki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siteki, September typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Siteki

In Siteki in September, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

September Precipitation Trends in Siteki

The chart displays monthly precipitation patterns in Siteki, 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 Siteki, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 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 Siteki

In Siteki in September, humidity is 85%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel slightly stifling and requiring frequent breaks to refresh in the shade or near water.

September Average Humidity in Siteki

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

In Siteki 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 Siteki.

Maximum UV Index Levels in Siteki for September

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

Data source: Siteki 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 Siteki Compares to Other Months

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

This table compares monthly weather conditions in Siteki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	113 mm (4.5 inches)	82%	extreme
February Weather	25°C (78°F)	150 mm (5.9 inches)	81%	extreme
March Weather	24°C (76°F)	75 mm (3.0 inches)	80%	extreme
April Weather	22°C (73°F)	40 mm (1.6 inches)	82%	very high
May Weather	20°C (69°F)	17 mm (0.7 inches)	86%	high
June Weather	18°C (65°F)	18 mm (0.7 inches)	78%	moderate
July Weather	18°C (65°F)	4 mm (0.1 inches)	81%	high
August Weather	19°C (67°F)	20 mm (0.8 inches)	77%	high
September Weather	21°C (70°F)	20 mm (0.8 inches)	85%	very high
October Weather	22°C (71°F)	65 mm (2.6 inches)	85%	extreme
November Weather	23°C (74°F)	71 mm (2.8 inches)	85%	extreme
December Weather	25°C (77°F)	96 mm (3.8 inches)	84%	extreme